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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Millwood Dam Threshold Days by Year

5 fixed thresholds counted per year at Millwood Dam (USC00034839): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Millwood Dam Thresholds

  • Millwood Dam: days with 10 mm (0.39 in) or more of precipitation in 5 years, most in 2025 with 15.
  • Millwood Dam: days with 25 mm (0.98 in) or more of precipitation in 5 years, most in 2025 with 9.
  • Millwood Dam: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 2025 with 2.
  • 5 fixed thresholds have at least one qualifying day at Millwood Dam.
5 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Millwood Dam Days per year at Millwood Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 2025. 02040602001: 372007: 342008: 312009: 412025: 1520012007200820092025
Days per year at Millwood Dam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 2025.
Days with 10 mm (0.39 in) or more of precipitation per year at Millwood Dam
YearDaysDecade average
20013735.8
20073435.8
20083135.8
20094135.8
20251515
First to last qualifying date each year at Millwood Dam For each year, a bar from the first to the last day at Millwood Dam meeting 10 mm (0.39 in). 2001: 17 January 2001 to 14 December 20012007: 4 January 2007 to 28 December 20072008: 22 January 2008 to 29 December 20082009: 6 January 2009 to 24 December 20092025: 5 March 2025 to 25 November 202520012007200820092025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Millwood Dam meeting 10 mm (0.39 in).
First to last qualifying date each year at Millwood Dam
YearFirst dateLast date
20012001-01-172001-12-14
20072007-01-042007-12-28
20082008-01-222008-12-29
20092009-01-062009-12-24
20252025-03-052025-11-25

Every Fixed Threshold

Fixed thresholds at Millwood Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain515202515
25 mm (0.98 in): Days with 25 mm or more rain5920259
50 mm (1.97 in): Days with 50 mm or more rain5220252
100 mm (3.94 in): Days with 100 mm or more rain30n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Millwood 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).