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

Chailey Threshold Days by Year (CA003011474)

11 fixed thresholds counted per year at Chailey (CA003011474): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chailey Thresholds

  • Chailey: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1981 with 14.
  • Chailey: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1982 with 131.
  • Chailey: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1982 with 12.
  • Chailey: days with a maximum temperature at or above 90 F (32.2 C) in 2 years, most in 1981 with 8.
  • 11 fixed thresholds have at least one qualifying day at Chailey.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Chailey Days per year at Chailey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1981. 0510151981: 141982: 11983: 1198119821983
Days per year at Chailey with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 1981.
Days at or above 30 C (86 F) per year at Chailey
YearDaysDecade average
1981145.3
198215.3
198315.3
First to last qualifying date each year at Chailey For each year, a bar from the first to the last day at Chailey meeting 30 C (86 F). 1981: 3 July 1981 to 19 September 19811982: 21 June 1982 to 21 June 19821983: 10 August 1983 to 10 August 1983198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chailey meeting 30 C (86 F).
First to last qualifying date each year at Chailey
YearFirst dateLast date
19811981-07-031981-09-19
19821982-06-211982-06-21
19831983-08-101983-08-10

Every Fixed Threshold

Fixed thresholds at Chailey
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days31419811
90 F (32.2 C): Days2819811
0 C (32 F): Ice days (max31311982103
0 C (32 F): Frost days (min21981982198
-10 C (14 F): Days with min21281982128
-20 C (-4 F): Days with min268198268
-30 C (-22 F): Days with min221198221
20 C (68 F): Tropical nights (min1119811
10 mm (0.39 in): Days with 10 mm or more rain312198212
25 mm (0.98 in): Days with 25 mm or more rain2419834
10 cm (3.9 in): Days with 10 cm or more snowfall2219812

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Chailey 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).