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Built 2026-10-19 (19 October 2026)

Asotin 14 SW Threshold Days by Year (USC00450294)

5 fixed thresholds counted per year at Asotin 14 SW (USC00450294): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Asotin 14 SW Thresholds

  • Asotin 14 SW: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1995 with 18.
  • Asotin 14 SW: days with 10 cm (3.9 in) or more of snowfall in 22 years, most in 2001 with 4.
  • Asotin 14 SW: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1978 with 2.
  • Asotin 14 SW: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1989 with 1.
  • 5 fixed thresholds have at least one qualifying day at Asotin 14 SW.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Asotin 14 SW Days per year at Asotin 14 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1995. 051015201977: 51978: 151979: 121980: 131981: 131982: 101983: 161984: 121985: 81986: 151987: 101988: 91989: 141990: 91991: 91992: 61993: 111994: 71995: 181997: 71998: 181999: 92000: 72001: 62002: 92003: 102004: 82005: 92006: 102007: 62008: 62009: 72010: 72013: 62014: 52016: 102021: 22022: 132023: 62026: 51977198119851989199319982002200620102021
Days per year at Asotin 14 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1995.
Days with 10 mm (0.39 in) or more of precipitation per year at Asotin 14 SW
YearDaysDecade average
1977510.7
19781510.7
19791210.7
19801312
19811312
19821012
19831612
19841212
1985812
19861512
19871012
1988912
19891412
1990910.4
1991910.4
1992610.4
19931110.4
1994710.4
19951810.4
1997710.4
19981810.4
1999910.4
200077.8
200167.8
200297.8
2003107.8
200487.8
200597.8
2006107.8
200767.8
200867.8
200977.8
201077
201367
201457
2016107
202126.5
2022136.5
202366.5
202656.5
First to last qualifying date each year at Asotin 14 SW For each year, a bar from the first to the last day at Asotin 14 SW meeting 10 mm (0.39 in). 1977: 17 May 1977 to 29 September 19771978: 9 March 1978 to 11 December 19781979: 12 February 1979 to 1 December 19791980: 21 March 1980 to 21 December 19801981: 24 January 1981 to 10 December 19811982: 26 January 1982 to 21 December 19821983: 11 February 1983 to 7 December 19831984: 5 April 1984 to 23 November 19841985: 6 February 1985 to 13 November 19851986: 22 January 1986 to 28 November 19861987: 7 January 1987 to 9 December 19871988: 13 January 1988 to 22 November 19881989: 9 January 1989 to 22 October 19891990: 6 January 1990 to 31 October 19901991: 3 March 1991 to 17 July 19911992: 15 February 1992 to 21 August 19921993: 1 January 1993 to 15 October 19931994: 23 February 1994 to 3 December 19941995: 9 January 1995 to 11 December 19951997: 10 March 1997 to 7 November 19971998: 9 May 1998 to 27 December 19981999: 18 January 1999 to 25 November 19992000: 11 January 2000 to 30 September 20002001: 12 January 2001 to 13 December 20012002: 2 January 2002 to 13 December 20022003: 6 March 2003 to 13 December 20032004: 17 February 2004 to 22 August 20042005: 26 March 2005 to 26 October 20052006: 9 January 2006 to 13 November 20062007: 5 June 2007 to 3 December 20072008: 29 April 2008 to 28 December 20082009: 1 January 2009 to 3 October 20092010: 27 April 2010 to 23 November 20102013: 8 February 2013 to 25 September 20132014: 25 February 2014 to 13 December 20142016: 15 April 2016 to 15 December 20162021: 28 September 2021 to 23 October 20212022: 12 April 2022 to 27 December 20222023: 6 May 2023 to 3 October 20232026: 24 February 2026 to 13 September 202619771982198719921998200320082016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Asotin 14 SW meeting 10 mm (0.39 in).
First to last qualifying date each year at Asotin 14 SW
YearFirst dateLast date
19771977-05-171977-09-29
19781978-03-091978-12-11
19791979-02-121979-12-01
19801980-03-211980-12-21
19811981-01-241981-12-10
19821982-01-261982-12-21
19831983-02-111983-12-07
19841984-04-051984-11-23
19851985-02-061985-11-13
19861986-01-221986-11-28
19871987-01-071987-12-09
19881988-01-131988-11-22
19891989-01-091989-10-22
19901990-01-061990-10-31
19911991-03-031991-07-17
19921992-02-151992-08-21
19931993-01-011993-10-15
19941994-02-231994-12-03
19951995-01-091995-12-11
19971997-03-101997-11-07
19981998-05-091998-12-27
19991999-01-181999-11-25
20002000-01-112000-09-30
20012001-01-122001-12-13
20022002-01-022002-12-13
20032003-03-062003-12-13
20042004-02-172004-08-22
20052005-03-262005-10-26
20062006-01-092006-11-13
20072007-06-052007-12-03
20082008-04-292008-12-28
20092009-01-012009-10-03
20102010-04-272010-11-23
20132013-02-082013-09-25
20142014-02-252014-12-13
20162016-04-152016-12-15
20212021-09-282021-10-23
20222022-04-122022-12-27
20232023-05-062023-10-03
20262026-02-242026-09-13

Every Fixed Threshold

Fixed thresholds at Asotin 14 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain401819955
25 mm (0.98 in): Days with 25 mm or more rain20219781
50 mm (1.97 in): Days with 50 mm or more rain1119891
10 cm (3.9 in): Days with 10 cm or more snowfall22420011
25 cm (9.8 in): Days with 25 cm or more snowfall1119941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Asotin 14 SW 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).