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

Spring Valley Threshold Days by Year (USC00217941)

6 fixed thresholds counted per year at Spring Valley (USC00217941): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spring Valley Thresholds

  • Spring Valley: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 2019 with 8.
  • Spring Valley: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 1942 with 30.
  • Spring Valley: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1942 with 11.
  • Spring Valley: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1950 with 3.
  • 6 fixed thresholds have at least one qualifying day at Spring Valley.
15 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Spring Valley Days per year at Spring Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1942. 01020301942: 301943: 241949: 171950: 212007: 302008: 242009: 292010: 262012: 192013: 292017: 232018: 282022: 202023: 172025: 2219421949200720092012201720222025
Days per year at Spring Valley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1942.
Days with 10 mm (0.39 in) or more of precipitation per year at Spring Valley
YearDaysDecade average
19423023.7
19432423.7
19491723.7
19502121
20073027.7
20082427.7
20092927.7
20102625
20121925
20132925
20172325
20182825
20222019.7
20231719.7
20252219.7
First to last qualifying date each year at Spring Valley For each year, a bar from the first to the last day at Spring Valley meeting 10 mm (0.39 in). 1942: 15 March 1942 to 22 December 19421943: 3 January 1943 to 8 November 19431949: 23 January 1949 to 12 November 19491950: 13 January 1950 to 8 November 19502007: 1 January 2007 to 3 December 20072008: 1 April 2008 to 19 December 20082009: 27 February 2009 to 25 December 20092010: 24 January 2010 to 12 December 20102012: 1 January 2012 to 10 December 20122013: 5 March 2013 to 6 November 20132017: 17 January 2017 to 22 October 20172018: 22 January 2018 to 28 December 20182022: 5 March 2022 to 6 November 20222023: 3 January 2023 to 26 December 20232025: 30 March 2025 to 15 October 202519421949200720092012201720222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Spring Valley meeting 10 mm (0.39 in).
First to last qualifying date each year at Spring Valley
YearFirst dateLast date
19421942-03-151942-12-22
19431943-01-031943-11-08
19491949-01-231949-11-12
19501950-01-131950-11-08
20072007-01-012007-12-03
20082008-04-012008-12-19
20092009-02-272009-12-25
20102010-01-242010-12-12
20122012-01-012012-12-10
20132013-03-052013-11-06
20172017-01-172017-10-22
20182018-01-222018-12-28
20222022-03-052022-11-06
20232023-01-032023-12-26
20252025-03-302025-10-15

Every Fixed Threshold

Fixed thresholds at Spring Valley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1530194222
25 mm (0.98 in): Days with 25 mm or more rain151119429
50 mm (1.97 in): Days with 50 mm or more rain12319501
100 mm (3.94 in): Days with 100 mm or more rain3220131
10 cm (3.9 in): Days with 10 cm or more snowfall19820193
25 cm (9.8 in): Days with 25 cm or more snowfall5120051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Spring Valley 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).