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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Widtsoe #3 Threshold Days by Year (USS0011M03S)

8 fixed thresholds counted per year at Widtsoe #3 (USS0011M03S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Widtsoe #3 Thresholds

  • Widtsoe #3: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 2019 with 36.
  • Widtsoe #3: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 2000 with 9.
  • Widtsoe #3: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 2004 with 73.
  • Widtsoe #3: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 2019 with 223.
  • 8 fixed thresholds have at least one qualifying day at Widtsoe #3.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Widtsoe #3 Days per year at Widtsoe #3 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2020. 011222007: 12009: 12020: 22021: 12023: 220072009202020212023
Days per year at Widtsoe #3 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2020.
Days at or above 30 C (86 F) per year at Widtsoe #3
YearDaysDecade average
200711
200911
202021.7
202111.7
202321.7
First to last qualifying date each year at Widtsoe #3 For each year, a bar from the first to the last day at Widtsoe #3 meeting 30 C (86 F). 2007: 4 July 2007 to 4 July 20072009: 18 July 2009 to 18 July 20092020: 18 August 2020 to 19 August 20202021: 9 July 2021 to 9 July 20212023: 16 July 2023 to 17 July 202320072009202020212023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Widtsoe #3 meeting 30 C (86 F).
First to last qualifying date each year at Widtsoe #3
YearFirst dateLast date
20072007-07-042007-07-04
20092009-07-182009-07-18
20202020-08-182020-08-19
20212021-07-092021-07-09
20232023-07-162023-07-17

Every Fixed Threshold

Fixed thresholds at Widtsoe #3
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5220202
0 C (32 F): Ice days (max2373200422
0 C (32 F): Frost days (min232232019107
-10 C (14 F): Days with min2377200815
-20 C (-4 F): Days with min141020131
10 mm (0.39 in): Days with 10 mm or more rain4836201916
25 mm (0.98 in): Days with 25 mm or more rain46920003
50 mm (1.97 in): Days with 50 mm or more rain14420131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2007.

Download the Data

  • Data for Widtsoe #3 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 (2026-10-17).