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

Churchill Dam Threshold Days by Year (USC00171430)

2 fixed thresholds counted per year at Churchill Dam (USC00171430): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Churchill Dam Thresholds

  • Churchill Dam: days with 10 mm (0.39 in) or more of precipitation in 1 years, most in 2025 with 1.
  • Churchill Dam: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 2025 with 1.
  • 2 fixed thresholds have at least one qualifying day at Churchill Dam.
1 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Churchill Dam Days per year at Churchill Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 1 in 2025. 001112025: 12025
Days per year at Churchill Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 1 in 2025.
Days with 10 mm (0.39 in) or more of precipitation per year at Churchill Dam
YearDaysDecade average
202511
First to last qualifying date each year at Churchill Dam For each year, a bar from the first to the last day at Churchill Dam meeting 10 mm (0.39 in). 2025: 30 December 2025 to 30 December 20252025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Churchill Dam meeting 10 mm (0.39 in).
First to last qualifying date each year at Churchill Dam
YearFirst dateLast date
20252025-12-302025-12-30

Every Fixed Threshold

Fixed thresholds at Churchill Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1120251
10 cm (3.9 in): Days with 10 cm or more snowfall1120251

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2025.

Download the Data

  • Data for Churchill 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 (2025-12-31).