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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Winchester Threshold Days by Year (USC00158757)

11 fixed thresholds counted per year at Winchester (USC00158757): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Winchester Thresholds

  • Winchester: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1941 with 101.
  • Winchester: days with a maximum temperature at or above 90 F (32.2 C) in 3 years, most in 1941 with 57.
  • Winchester: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1943 with 22.
  • Winchester: nights with a minimum temperature at or below 0 C (32 F) in 3 years, most in 1942 with 106.
  • 11 fixed thresholds have at least one qualifying day at Winchester.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Winchester Days per year at Winchester with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1941. 0501001501941: 1011942: 521943: 70194119421943
Days per year at Winchester with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 1941.
Days at or above 30 C (86 F) per year at Winchester
YearDaysDecade average
194110174.3
19425274.3
19437074.3
First to last qualifying date each year at Winchester For each year, a bar from the first to the last day at Winchester meeting 30 C (86 F). 1941: 19 April 1941 to 9 October 19411942: 30 April 1942 to 19 September 19421943: 6 May 1943 to 30 September 1943194119421943JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Winchester meeting 30 C (86 F).
First to last qualifying date each year at Winchester
YearFirst dateLast date
19411941-04-191941-10-09
19421942-04-301942-09-19
19431943-05-061943-09-30

Every Fixed Threshold

Fixed thresholds at Winchester
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3101194170
35 C (95 F): Days21819414
90 F (32.2 C): Days357194141
0 C (32 F): Ice days (max322194322
0 C (32 F): Frost days (min3106194298
-10 C (14 F): Days with min317194216
-20 C (-4 F): Days with min1219422
20 C (68 F): Tropical nights (min342194131
10 mm (0.39 in): Days with 10 mm or more rain345194224
25 mm (0.98 in): Days with 25 mm or more rain31419428
50 mm (1.97 in): Days with 50 mm or more rain2319423

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Winchester threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).