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Built 2026-10-19 (19 October 2026)

Wheeler Threshold Days by Year (USC00419662)

6 fixed thresholds counted per year at Wheeler (USC00419662): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wheeler Thresholds

  • Wheeler: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1995 with 25.
  • Wheeler: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1995 with 12.
  • Wheeler: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1985 with 4.
  • Wheeler: days with 10 cm (3.9 in) or more of snowfall in 5 years, most in 1988 with 3.
  • 6 fixed thresholds have at least one qualifying day at Wheeler.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wheeler Days per year at Wheeler with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1995. 01020301980: 131981: 191982: 231983: 141984: 141985: 211986: 191987: 161988: 171989: 171990: 181991: 231992: 151993: 141994: 181995: 251996: 121997: 221998: 161999: 172000: 152001: 142003: 82004: 182005: 142006: 112007: 172008: 122010: 142012: 171980198319861989199219951998200120052008
Days per year at Wheeler with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1995.
Days with 10 mm (0.39 in) or more of precipitation per year at Wheeler
YearDaysDecade average
19801317.3
19811917.3
19822317.3
19831417.3
19841417.3
19852117.3
19861917.3
19871617.3
19881717.3
19891717.3
19901818
19912318
19921518
19931418
19941818
19952518
19961218
19972218
19981618
19991718
20001513.6
20011413.6
2003813.6
20041813.6
20051413.6
20061113.6
20071713.6
20081213.6
20101415.5
20121715.5
First to last qualifying date each year at Wheeler For each year, a bar from the first to the last day at Wheeler meeting 10 mm (0.39 in). 1980: 21 January 1980 to 25 November 19801981: 15 March 1981 to 30 November 19811982: 2 February 1982 to 28 December 19821983: 1 February 1983 to 20 October 19831984: 18 January 1984 to 17 December 19841985: 22 February 1985 to 15 November 19851986: 8 February 1986 to 5 November 19861987: 19 January 1987 to 19 December 19871988: 3 March 1988 to 20 November 19881989: 29 January 1989 to 6 October 19891990: 17 January 1990 to 5 November 19901991: 3 May 1991 to 28 December 19911992: 28 March 1992 to 14 December 19921993: 3 January 1993 to 8 September 19931994: 1 March 1994 to 20 November 19941995: 22 January 1995 to 30 December 19951996: 25 May 1996 to 30 November 19961997: 7 February 1997 to 22 December 19971998: 5 January 1998 to 4 December 19981999: 31 January 1999 to 9 December 19992000: 25 February 2000 to 27 December 20002001: 29 January 2001 to 19 November 20012003: 16 April 2003 to 9 October 20032004: 29 February 2004 to 15 November 20042005: 6 January 2005 to 4 October 20052006: 19 March 2006 to 20 December 20062007: 14 January 2007 to 15 December 20072008: 18 February 2008 to 15 October 20082010: 28 January 2010 to 12 November 20102012: 3 February 2012 to 30 December 201219801984198819921996200020052010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wheeler meeting 10 mm (0.39 in).
First to last qualifying date each year at Wheeler
YearFirst dateLast date
19801980-01-211980-11-25
19811981-03-151981-11-30
19821982-02-021982-12-28
19831983-02-011983-10-20
19841984-01-181984-12-17
19851985-02-221985-11-15
19861986-02-081986-11-05
19871987-01-191987-12-19
19881988-03-031988-11-20
19891989-01-291989-10-06
19901990-01-171990-11-05
19911991-05-031991-12-28
19921992-03-281992-12-14
19931993-01-031993-09-08
19941994-03-011994-11-20
19951995-01-221995-12-30
19961996-05-251996-11-30
19971997-02-071997-12-22
19981998-01-051998-12-04
19991999-01-311999-12-09
20002000-02-252000-12-27
20012001-01-292001-11-19
20032003-04-162003-10-09
20042004-02-292004-11-15
20052005-01-062005-10-04
20062006-03-192006-12-20
20072007-01-142007-12-15
20082008-02-182008-10-15
20102010-01-282010-11-12
20122012-02-032012-12-30

Every Fixed Threshold

Fixed thresholds at Wheeler
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3025199517
25 mm (0.98 in): Days with 25 mm or more rain301219954
50 mm (1.97 in): Days with 50 mm or more rain18419854
100 mm (3.94 in): Days with 100 mm or more rain3119951
10 cm (3.9 in): Days with 10 cm or more snowfall5319881
25 cm (9.8 in): Days with 25 cm or more snowfall1120001

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1980.

Download the Data

  • Data for Wheeler 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).