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

Gray AAF Threshold Days by Year (USW00024201)

10 fixed thresholds counted per year at Gray AAF (USW00024201): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gray AAF Thresholds

  • Gray AAF: days with 10 mm (0.39 in) or more of precipitation in 9 years, most in 1961 with 43.
  • Gray AAF: days with 25 mm (0.98 in) or more of precipitation in 9 years, most in 1970 with 7.
  • Gray AAF: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1964 with 69.
  • Gray AAF: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 2025 with 30.
  • 10 fixed thresholds have at least one qualifying day at Gray AAF.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Gray AAF Days per year at Gray AAF with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2025. 01020301961: 131962: 51965: 61966: 21967: 181968: 112025: 301961196219651966196719682025
Days per year at Gray AAF with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2025.
Days at or above 30 C (86 F) per year at Gray AAF
YearDaysDecade average
1961139.2
196259.2
196569.2
196629.2
1967189.2
1968119.2
20253030
First to last qualifying date each year at Gray AAF For each year, a bar from the first to the last day at Gray AAF meeting 30 C (86 F). 1961: 15 June 1961 to 19 August 19611962: 23 July 1962 to 28 July 19621965: 24 July 1965 to 18 August 19651966: 20 August 1966 to 21 August 19661967: 17 June 1967 to 27 September 19671968: 25 June 1968 to 1 August 19682025: 8 June 2025 to 17 September 20251961196219651966196719682025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gray AAF meeting 30 C (86 F).
First to last qualifying date each year at Gray AAF
YearFirst dateLast date
19611961-06-151961-08-19
19621962-07-231962-07-28
19651965-07-241965-08-18
19661966-08-201966-08-21
19671967-06-171967-09-27
19681968-06-251968-08-01
20252025-06-082025-09-17

Every Fixed Threshold

Fixed thresholds at Gray AAF
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days730202530
35 C (95 F): Days4219671
90 F (32.2 C): Days514202514
0 C (32 F): Ice days (max6419684
0 C (32 F): Frost days (min869196443
-10 C (14 F): Days with min3219622
10 mm (0.39 in): Days with 10 mm or more rain943196133
25 mm (0.98 in): Days with 25 mm or more rain9719707
50 mm (1.97 in): Days with 50 mm or more rain1119621
10 cm (3.9 in): Days with 10 cm or more snowfall3119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Gray AAF 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).