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Built 2026-10-19 (19 October 2026)

Spring Valley Threshold Days by Year (USC00478080)

6 fixed thresholds counted per year at Spring Valley (USC00478080): 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 mm (0.39 in) or more of precipitation in 41 years, most in 1993 with 39.
  • Spring Valley: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 2002 with 14.
  • Spring Valley: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1980 with 4.
  • Spring Valley: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1951 with 8.
  • 6 fixed thresholds have at least one qualifying day at Spring Valley.
41 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 39 in 1993. 0102030401950: 171951: 291952: 251953: 291954: 281955: 191956: 211959: 201961: 251962: 251963: 241964: 211966: 181970: 301971: 311972: 291973: 221974: 171980: 281981: 241982: 291983: 321984: 301985: 311986: 311988: 251992: 271993: 391994: 311995: 301999: 252000: 262001: 312002: 362003: 192004: 302005: 282006: 232007: 302008: 182009: 19195019551963197219821988199920042009
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 39 in 1993.
Days with 10 mm (0.39 in) or more of precipitation per year at Spring Valley
YearDaysDecade average
19501723.5
19512923.5
19522523.5
19532923.5
19542823.5
19551923.5
19562123.5
19592023.5
19612522.6
19622522.6
19632422.6
19642122.6
19661822.6
19703025.8
19713125.8
19722925.8
19732225.8
19741725.8
19802828.8
19812428.8
19822928.8
19833228.8
19843028.8
19853128.8
19863128.8
19882528.8
19922730.4
19933930.4
19943130.4
19953030.4
19992530.4
20002626
20013126
20023626
20031926
20043026
20052826
20062326
20073026
20081826
20091926
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). 1950: 13 February 1950 to 2 October 19501951: 26 February 1951 to 13 November 19511952: 22 January 1952 to 25 November 19521953: 15 January 1953 to 4 December 19531954: 19 March 1954 to 26 October 19541955: 12 March 1955 to 4 December 19551956: 11 March 1956 to 16 November 19561959: 5 May 1959 to 3 October 19591961: 18 February 1961 to 12 December 19611962: 13 April 1962 to 8 October 19621963: 11 March 1963 to 21 November 19631964: 4 March 1964 to 11 December 19641966: 8 February 1966 to 15 October 19661970: 3 March 1970 to 10 November 19701971: 5 February 1971 to 26 November 19711972: 25 January 1972 to 29 December 19721973: 4 January 1973 to 21 November 19731974: 30 March 1974 to 1 November 19741980: 6 January 1980 to 13 November 19801981: 7 February 1981 to 4 October 19811982: 22 January 1982 to 28 December 19821983: 30 January 1983 to 28 November 19831984: 28 January 1984 to 28 December 19841985: 10 February 1985 to 2 December 19851986: 18 March 1986 to 12 October 19861988: 20 January 1988 to 16 November 19881992: 8 March 1992 to 27 December 19921993: 12 January 1993 to 17 December 19931994: 12 April 1994 to 27 November 19941995: 17 January 1995 to 27 November 19951999: 9 March 1999 to 23 November 19992000: 24 February 2000 to 7 November 20002001: 30 January 2001 to 6 December 20012002: 20 February 2002 to 10 October 20022003: 28 March 2003 to 10 December 20032004: 2 February 2004 to 21 November 20042005: 2 January 2005 to 28 November 20052006: 29 January 2006 to 31 December 20062007: 24 February 2007 to 19 October 20072008: 1 April 2008 to 8 October 20082009: 27 February 2009 to 24 December 20091950195619661980198619992005JanFebMarAprMayJunJulAugSepOctNovDec
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
19501950-02-131950-10-02
19511951-02-261951-11-13
19521952-01-221952-11-25
19531953-01-151953-12-04
19541954-03-191954-10-26
19551955-03-121955-12-04
19561956-03-111956-11-16
19591959-05-051959-10-03
19611961-02-181961-12-12
19621962-04-131962-10-08
19631963-03-111963-11-21
19641964-03-041964-12-11
19661966-02-081966-10-15
19701970-03-031970-11-10
19711971-02-051971-11-26
19721972-01-251972-12-29
19731973-01-041973-11-21
19741974-03-301974-11-01
19801980-01-061980-11-13
19811981-02-071981-10-04
19821982-01-221982-12-28
19831983-01-301983-11-28
19841984-01-281984-12-28
19851985-02-101985-12-02
19861986-03-181986-10-12
19881988-01-201988-11-16
19921992-03-081992-12-27
19931993-01-121993-12-17
19941994-04-121994-11-27
19951995-01-171995-11-27
19991999-03-091999-11-23
20002000-02-242000-11-07
20012001-01-302001-12-06
20022002-02-202002-10-10
20032003-03-282003-12-10
20042004-02-022004-11-21
20052005-01-022005-11-28
20062006-01-292006-12-31
20072007-02-242007-10-19
20082008-04-012008-10-08
20092009-02-272009-12-24

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 rain4139199319
25 mm (0.98 in): Days with 25 mm or more rain411420024
50 mm (1.97 in): Days with 50 mm or more rain31419803
100 mm (3.94 in): Days with 100 mm or more rain1119921
10 cm (3.9 in): Days with 10 cm or more snowfall29819513
25 cm (9.8 in): Days with 25 cm or more snowfall6219821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

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).