Madison wi last frost date

Get the latest forecasts, interactive radar, and school closings for Madison, Janesville, Beloit, and the rest of southern Wisconsin.

Madison wi last frost date. According to a recent USDA plant hardiness map, Madison’s last frost date is later than Milwaukee’s April 20 date, La Crosse’s May 1 date, and Green Bay’s May 6 date. But it is earlier than Rhinelander’s last frost date of May 21.

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

Main navigation. Weather Weather sub-navigation. Extended Forecast; 5-Day Forecast; Spring Forecast 2024; Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner AppA frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Wisconsin Heat Zones Map. US Köppen Climate Classification Map. An Interactive Map of Average First Frost Dates in Wisconsin and a list of locations in Wisconsin with …An Interactive Map of Average First Frost Dates in Wisconsin and a list of locations in Wisconsin with Average First Frost Dates. Plantmaps.com. About; ... Madison: Oct. 1 - Oct. 10: Manitowoc: Oct. 11 - Oct. 20: Marshfield: Oct. 1 - Oct. 10 ... Wisconsin Average Days with Frost Map; Wisconsin Average Last Frost Dates Map; US Drought …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

When is the average last spring frost and first fall frost? We have dates for both, listed state by state. The dates listed below are estimated average light frost dates based on …Madison Lake Ice Status (2023-2024 Season) The lakes had previously frozen on January 15. For lakes Mendota and Monona, that was the third or fourth latest freeze-up since records began in the early 1850s. The five shortest ice-duration seasons have all occurred since the 1980s. For more information, see how freeze and thaw dates …Find out what the recent Knicks vs. Pistons game was like at Madison Square Garden in NYC and why sports fans and concert-goers will pay more money to attend events in the future. ...Madison Temperature History 2023. The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants.Plant Files Bug Files Bird Files Freeze/Frost Dates ... Madison, WI(Zone 5a) Feb 18, 2007. Hi ... last frost date, which is about May 10 here.Climate and Past Weather. Local Programs. Since it is now mid May, the chances of frost and freezing temperatures are diminishing quickly across the area. The map below shows the average last spring frost date across portions of northeast Iowa, southeast Minnesota and southwest into central Wisconsin.Climate Plots For Milwaukee and Madison. Current Month. Year To Date. Water Year: Oct-Sep. Local Climate Information for Milwaukee and Madison. Daily: Milwaukee Mitchell International Airport Issued: 04/30/2024 04:21:23 PM CDT. Daily: Madison - Dane County Regional Airport Issued: 04/30/2024 04:21:24 PM CDT.

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.At the West Madison Agricultural Research Station (WMARS) in Madison, WI, buds average around E-L* stage 3 (Wooly bud 土 green showing) on Petite Pearl and …Maybe he’s the boy in a downpour that Robert Frost describes, holding his hands out for someone to believe in him? Elon Musk is invoking the spirit of a dead poet to help him bore....Frost and Freeze Information. Average dates based on NCDC 1981-2010 climatological normals. First frost was based on the first occurrence of 36°F temperature, first freeze was based on the first occurrence of 32°F temperature, and first hard freeze was based on the first occurrence of 28°F temperature.WESTPORT, Conn., Oct. 7, 2020 /PRNewswire/ -- LCR Capital Partners is excited to announce that Louis Frost has agreed to join LCR as a Senior Advi... WESTPORT, Conn., Oct. 7, 2020 ...

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Most planting and seed sowing instructions are based on the average last frost date, ... Tomahawk, Wisconsin; Sidney, Montana 4a-30 to -25 F -31.7 to -34.4 C ...The infidelity-facilitating website is under FTC investigation By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's T...Each hardiness zones differ by 10 degree F and are further divided in to two sub zones that differ by 5 degree F. The colder half of the sub zone is indicated by the letter ‘a’ and the warmer half indicated by the letter ‘b’. New-USDA-Cold-Hardiness-Zone-Map-copy100 Download. This page is optimized for printing. Maps related to cold ...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.The change is not much for Dane County, but in northwestern Wisconsin, the last frost date now occurs about two weeks earlier than it did in 1950. According to the Wisconsin State Climatology Office, for Madison, based again on the 1981-2010 time period, the median date for a temperature of 32 is May 2, and it isn’t until May 20 that the ...

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. American Society of Agronomy, Madison, WI p. 116. Grain. Corn that is frost ... date and average first autumn frost dates. Corn hybrids should reach physiological ...You have a small 20% chance of getting 32° by October 1. There is a 50% chance of being hit by a 32° frost starting around October 13. You have a 80% chance of seeing 32° by October 24. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.You have a small 20% chance of getting 32° by September 23. There is a 50% chance of being hit by a 32° frost starting around October 1. You have a 80% chance of seeing 32° by October 10. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall. You have a small 20% chance of getting 32° by September 7. There is a 50% chance of being hit by a 32° frost starting around September 16. You have a 80% chance of seeing 32° by September 25. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall. A frost date is the average date of the last light freeze in spring or the first light freeze in fall.. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and …Enter your ZIP or Postal code in the field above to see frost dates for your location (based on the nearest weather station), as well as the length of your growing season based on frost dates. Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA.Climate Plots For Milwaukee and Madison. Current Month. Year To Date. Water Year: Oct-Sep. Local Climate Information for Milwaukee and Madison. Daily: Milwaukee Mitchell International Airport Issued: 04/30/2024 04:21:23 PM CDT. Daily: Madison - Dane County Regional Airport Issued: 04/30/2024 04:21:24 PM CDT.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Click the dots to see the average date on which the chance of freezing temperatures drops below 50 percent across the United States, based on the U.S. Climate Normals from 1991–2020. (Launch the map in its own window.)Places where that date occurs near the official start of spring are colored white. Places where the last freezing …

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. You have a small 20% chance of getting 32° by September 7. There is a 50% chance of being hit by a 32° frost starting around September 16. You have a 80% chance of seeing 32° by September 25. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall. A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Where it was once common for the lakes to freeze in mid December and hold ice until April, the story is now more often of a January freeze date and March thaw. According to the Wisconsin State Climatology office, the official freeze date for Lake Monona this year was January 3rd, with Lake Mendota following suit four days later on …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Aug 24. Aug 29. Sep 2. Sep 6. Sep 9. Sep 13. Sep 18. Sep 24. Now that you know your frost dates, use our Garden Planting Calendar for Merrill, WI to know when to sow and transplant your various vegetable plants!A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

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A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Fruit and Frost Teryl R. Roper, Associate Professor and Extension Horticulturist, UW-Madison . Because of our climate, Wisconsin always has a risk of spring frosts. Temperatures below 28°F will injure or kill flowers or immature fruit. This sheet will briefly outline critical temperatures at different ... Created Date: 1/20/2019 1:20:45 PM ...Jun. 1 - Jun. 10. Zone 16. Jun. 11 - Jun. 20. Zone 17. Jun. 21 - Jun. 30. Plantmaps has derived zones indicating the average annual Last frost dates for United Kingdom.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants.An Interactive Map of Average First Frost Dates in Wisconsin and a list of locations in Wisconsin with Average First Frost Dates. Plantmaps.com. About; ... Madison: Oct. 1 - Oct. 10: Manitowoc: Oct. 11 - Oct. 20: Marshfield: Oct. 1 - Oct. 10 ... Wisconsin Average Days with Frost Map; Wisconsin Average Last Frost Dates Map; US Drought …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.As your growing season comes to an end, the nightly temperatures for Hudson, Wisconsin start to go down, and therefore every day that goes by increases the chance that you'll get frost. Your risk of frost really begins around September 22, and by October 16 you're almost certain to have received at least one frost event.University of Wisconsin Law School. Jacob Frost is a judge for Branch 9 of the Dane County Circuit Court in Wisconsin. He assumed office on July 4, 2020. His current term ends on August 1, 2027. Frost ran for re-election for the Branch 9 judge of the Dane County Circuit Court in Wisconsin. He won in the general election on April 6, 2021.A frost date is the average date of the last light freeze in spring or the first light freeze in fall.. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and … ….

You have a small 20% chance of getting 32° by September 28. There is a 50% chance of being hit by a 32° frost starting around October 8. You have a 80% chance of seeing 32° by October 17. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.The closures will last until 1:00 am on Friday, May 10th.Additional future dates for the Madison Night Market are: Starting at noon on Thursday, May 9th, portions of … Enter your location below and we will tell you when your average first frost and last frost dates are likely to happen. You can enter a zipcode or a location like City, State. Data is provided by the NOAA National Centers for Environmental Information . A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. An Interactive Map of Average First Frost Dates in Wisconsin and a list of locations in Wisconsin with Average First Frost Dates. Plantmaps.com. About; ... Madison: Oct. 1 - Oct. 10: Manitowoc: Oct. 11 - Oct. 20: Marshfield: Oct. 1 - Oct. 10 ... Wisconsin Average Days with Frost Map; Wisconsin Average Last Frost Dates Map; US Drought …You have a small 20% chance of getting 32° by September 18. There is a 50% chance of being hit by a 32° frost starting around September 25. You have a 80% chance of seeing 32° by October 3. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.Madison, WI Weather Forecast, with current conditions, wind, air quality, and what to expect for the next 3 days.Sep 18. Sep 21. Sep 24. Sep 27. Sep 30. Oct 5. Now that you know your frost dates, use our Garden Planting Calendar for Reedsburg, WI to know when to sow and transplant your various vegetable plants! Madison wi last frost date, A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants., You have a small 20% chance of getting 32° by September 15. There is a 50% chance of being hit by a 32° frost starting around September 25. You have a 80% chance of seeing 32° by October 6. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall. , Most planting and seed sowing instructions are based on the average last frost date, which is defined as "the last day in the spring that you might have a killing frost". ... Tomahawk, Wisconsin; Sidney, Montana 4a-30 to -25 F -31.7 to -34.4 C Minneapolis/St.Paul, Minnesota; Lewistown, Montana ..., University of Wisconsin Extension provides equal opportunities in employment and programming including Title VI, IX and ADA. ... The "last frost date" is based on historical climate data. A late frost could occur mid-May or later if conditions are right. Delay planting by days or weeks if it is cold or we have a late spring. In addition, air ..., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. , A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., There is a 50% chance of being hit by a 32° frost starting around October 2. You have a 80% chance of seeing 32° by October 9. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall. Temperature., Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. Our information is …, Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. Our information is taken directly from the National Weather Service and depending on the location of the reporting station for your zip code, the results may vary. Popular Plants., 6/10. 9/7. Wausau. 5/22. 9/6. *Based on statistics there is a 10% chance that frost will occur before or after these dates. Watch your local weather for more accurate dates. Wisconsin on average has approximately 110 days between the last and first frost. Follow the planting schedules below for when to plant tomatoes, peppers and other vegetables., 1. The USDA Hardiness Zone Method. To find the average frost dates for your region, you first need to determine your hardiness zone or planting zone. You can do this by using our planting zone map tool. Click on your state to zoom in or enter your zip code to find the zone number of your specific area. Frost dates can vary widely within each ... , Madison Lake Ice Status (2023-2024 Season) The lakes had previously frozen on January 15. For lakes Mendota and Monona, that was the third or fourth latest freeze-up since records began in the early 1850s. The five shortest ice-duration seasons have all occurred since the 1980s. For more information, see how freeze and thaw dates …, Thirty Madison, the New York-based startup developing a range of direct to consumer treatments for hair loss, migraines and chronic indigestion, has raised $47 million in new finan..., The closures will last until 1:00 am on Friday, May 10th.Additional future dates for the Madison Night Market are: Starting at noon on Thursday, May 9th, portions of …, A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. , According to a recent USDA plant hardiness map, Madison’s last frost date is later than Milwaukee’s April 20 date, La Crosse’s May 1 date, and Green Bay’s May 6 …, Check out the new EMP Winter House, a pop up restaurant collaboration between Amex and Eleven Madison Park in Aspen, Colorado. Update: Some offers mentioned below are no longer ava..., Oct 30, 2018 · Our frost date calculator will tell you precisely when your garden in Madison, Wisconsin is at risk for frost. , A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., A light frost is when temperatures are between 29°–32°F. During a light frost, tender plants may be killed, with little destructive effect on hardier vegetation. The probability of a frost occurring after the spring date or before the fall frost date listed below is 30%, which means that a frost could occur before or after the dates listed., Click the dots to see the average date on which the chance of freezing temperatures drops below 50 percent across the United States, based on the U.S. Climate Normals from 1991–2020. (Launch the map in its own window.)Places where that date occurs near the official start of spring are colored white. Places where the last freezing …, The Wisconsin State Climatology Office maintains a list of ice-over and ice-out dates for three Madison-area lakes — Mendota, Monona, and Wingra. These records, extending back into the mid-19th century, are based upon the observations made by various people, including those at Washburn Observatory on the University of Wisconsin–Madison campus., Past Weather in Madison, Wisconsin, USA — Yesterday and Last 2 Weeks. Time/General. Weather. Time Zone. DST Changes. Sun & Moon. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather …, Main navigation. Weather Weather sub-navigation. Extended Forecast; 5-Day Forecast; Spring Forecast 2024; Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner App, When is the average last spring frost and first fall frost? We have dates for both, listed state by state. The dates listed below are estimated average light frost dates based on …, You have a small 20% chance of getting 32° by September 30. There is a 50% chance of being hit by a 32° frost starting around October 8. You have a 80% chance of seeing 32° by October 15. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall., Date of First Frost. Analyzing our gridded temperature dataset, we can map the day of first frost,defined as the first day after July 1 where the minimum temperature is below 32 F. (See our day-of-year calendar .) The first map shows the median DOY of first frost; for each map location, half the years were earlier than this date, half later ..., There is a 50% chance of being hit by a 32° frost starting around September 22. You have a 80% chance of seeing 32° by September 29. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall. Temperature., May 17, 2022 ... Even though Rhinelander's average last frost date is May 25, the potential for a frost or hard freeze is very unlikely. Wisconsin crop progress., Date of First Frost. Analyzing our gridded temperature dataset, we can map the day of first frost,defined as the first day after July 1 where the minimum temperature is below 32 F. (See our day-of-year calendar .) The first map shows the median DOY of first frost; for each map location, half the years were earlier than this date, half later ...