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

Jackson Dam Threshold Days by Year (USC00094623)

3 fixed thresholds counted per year at Jackson Dam (USC00094623): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jackson Dam Thresholds

  • Jackson Dam: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1949 with 40.
  • Jackson Dam: days with 25 mm (0.98 in) or more of precipitation in 3 years, most in 1949 with 10.
  • Jackson Dam: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1949 with 4.
  • 3 fixed thresholds have at least one qualifying day at Jackson Dam.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Jackson Dam Days per year at Jackson Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1949. 0102030401949: 401950: 342025: 31194919502025
Days per year at Jackson Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1949.
Days with 10 mm (0.39 in) or more of precipitation per year at Jackson Dam
YearDaysDecade average
19494040
19503434
20253131
First to last qualifying date each year at Jackson Dam For each year, a bar from the first to the last day at Jackson Dam meeting 10 mm (0.39 in). 1949: 5 January 1949 to 26 December 19491950: 10 January 1950 to 28 December 19502025: 18 January 2025 to 2 December 2025194919502025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jackson Dam meeting 10 mm (0.39 in).
First to last qualifying date each year at Jackson Dam
YearFirst dateLast date
19491949-01-051949-12-26
19501950-01-101950-12-28
20252025-01-182025-12-02

Every Fixed Threshold

Fixed thresholds at Jackson Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain340194931
25 mm (0.98 in): Days with 25 mm or more rain31019498
50 mm (1.97 in): Days with 50 mm or more rain2419492

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Jackson 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).