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

Wattisham Threshold Days by Year (UKM00003590)

7 fixed thresholds counted per year at Wattisham (UKM00003590): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wattisham Thresholds

  • Wattisham: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1975 with 11.
  • Wattisham: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1978 with 2.
  • Wattisham: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 1975 with 2.
  • Wattisham: days with a maximum temperature at or below 0 C (32 F) in 3 years, most in 1979 with 12.
  • 7 fixed thresholds have at least one qualifying day at Wattisham.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Wattisham Days per year at Wattisham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1975. 024681975: 21976: 72025: 4197519762025
Days per year at Wattisham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1975.
Days at or above 30 C (86 F) per year at Wattisham
YearDaysDecade average
197524.5
197674.5
202544
First to last qualifying date each year at Wattisham For each year, a bar from the first to the last day at Wattisham meeting 30 C (86 F). 1975: 7 August 1975 to 8 August 19751976: 24 June 1976 to 4 July 19762025: 21 June 2025 to 12 August 2025197519762025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wattisham meeting 30 C (86 F).
First to last qualifying date each year at Wattisham
YearFirst dateLast date
19751975-08-071975-08-08
19761976-06-241976-07-04
20252025-06-212025-08-12

Every Fixed Threshold

Fixed thresholds at Wattisham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3219754
90 F (32.2 C): Days20n/a1
0 C (32 F): Ice days (max312197912
0 C (32 F): Frost days (min10n/a23
10 mm (0.39 in): Days with 10 mm or more rain181119753
25 mm (0.98 in): Days with 25 mm or more rain10219782
50 mm (1.97 in): Days with 50 mm or more rain20n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Wattisham 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).