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

Exchequer Dam Threshold Days by Year (USC00042920)

11 fixed thresholds counted per year at Exchequer Dam (USC00042920): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Exchequer Dam Thresholds

  • Exchequer Dam: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1983 with 41.
  • Exchequer Dam: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1996 with 13.
  • Exchequer Dam: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1955 with 3.
  • Exchequer Dam: days with a maximum temperature at or above 30 C (86 F) in 5 years, most in 2020 with 139.
  • 11 fixed thresholds have at least one qualifying day at Exchequer Dam.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Exchequer Dam Days per year at Exchequer Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 2020. 0501001502020: 1392021: 1302024: 1302025: 1302026: 10320202021202420252026
Days per year at Exchequer Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 139 in 2020.
Days at or above 30 C (86 F) per year at Exchequer Dam
YearDaysDecade average
2020139126.4
2021130126.4
2024130126.4
2025130126.4
2026103126.4
First to last qualifying date each year at Exchequer Dam For each year, a bar from the first to the last day at Exchequer Dam meeting 30 C (86 F). 2020: 26 April 2020 to 21 October 20202021: 30 April 2021 to 5 October 20212024: 12 May 2024 to 12 October 20242025: 9 May 2025 to 8 October 20252026: 20 March 2026 to 31 August 202620202021202420252026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Exchequer Dam meeting 30 C (86 F).
First to last qualifying date each year at Exchequer Dam
YearFirst dateLast date
20202020-04-262020-10-21
20212021-04-302021-10-05
20242024-05-122024-10-12
20252025-05-092025-10-08
20262026-03-202026-08-31

Every Fixed Threshold

Fixed thresholds at Exchequer Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days51392020103
35 C (95 F): Days580202156
40 C (104 F): Days42020243
90 F (32.2 C): Days5108202184
100 F (37.8 C): Days548202422
110 F (43.3 C): Days3320243
20 C (68 F): Tropical nights (min579202060
25 C (77 F): Days with min51220215
10 mm (0.39 in): Days with 10 mm or more rain694119836
25 mm (0.98 in): Days with 25 mm or more rain671319964
50 mm (1.97 in): Days with 50 mm or more rain17319551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2020.

Download the Data

  • Data for Exchequer Dam 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 (2026-10-12).