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Built 2026-10-19 (19 October 2026)

Houston 2 W Threshold Days by Year (USC00234023)

6 fixed thresholds counted per year at Houston 2 W (USC00234023): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Houston 2 W Thresholds

  • Houston 2 W: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1990 with 57.
  • Houston 2 W: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1982 with 20.
  • Houston 2 W: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1985 with 8.
  • Houston 2 W: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1985 with 5.
  • 6 fixed thresholds have at least one qualifying day at Houston 2 W.
34 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Houston 2 W Days per year at Houston 2 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1990. 02040601977: 341980: 241981: 371982: 381983: 391984: 401985: 371986: 271987: 321988: 381989: 251990: 571991: 341992: 381993: 471994: 381995: 371996: 451997: 371998: 461999: 282000: 282001: 342002: 452003: 382004: 362005: 302006: 282007: 312008: 402009: 442010: 362011: 472012: 33197719831987199119951999200320072011
Days per year at Houston 2 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1990.
Days with 10 mm (0.39 in) or more of precipitation per year at Houston 2 W
YearDaysDecade average
19773434
19802433.7
19813733.7
19823833.7
19833933.7
19844033.7
19853733.7
19862733.7
19873233.7
19883833.7
19892533.7
19905740.7
19913440.7
19923840.7
19934740.7
19943840.7
19953740.7
19964540.7
19973740.7
19984640.7
19992840.7
20002835.4
20013435.4
20024535.4
20033835.4
20043635.4
20053035.4
20062835.4
20073135.4
20084035.4
20094435.4
20103638.7
20114738.7
20123338.7
First to last qualifying date each year at Houston 2 W For each year, a bar from the first to the last day at Houston 2 W meeting 10 mm (0.39 in). 1977: 12 February 1977 to 14 December 19771980: 5 February 1980 to 9 December 19801981: 1 February 1981 to 23 December 19811982: 7 January 1982 to 25 December 19821983: 5 March 1983 to 11 December 19831984: 15 January 1984 to 30 December 19841985: 1 January 1985 to 11 December 19851986: 7 February 1986 to 8 December 19861987: 9 January 1987 to 27 December 19871988: 19 January 1988 to 28 December 19881989: 26 January 1989 to 29 December 19891990: 17 January 1990 to 30 December 19901991: 10 January 1991 to 21 December 19911992: 12 February 1992 to 16 December 19921993: 3 January 1993 to 2 December 19931994: 27 January 1994 to 9 December 19941995: 13 January 1995 to 19 December 19951996: 3 January 1996 to 24 December 19961997: 9 January 1997 to 24 December 19971998: 4 January 1998 to 19 December 19981999: 1 January 1999 to 12 December 19992000: 3 January 2000 to 14 December 20002001: 29 January 2001 to 17 December 20012002: 19 January 2002 to 31 December 20022003: 14 February 2003 to 23 December 20032004: 5 January 2004 to 7 December 20042005: 4 January 2005 to 25 December 20052006: 29 January 2006 to 31 December 20062007: 13 January 2007 to 16 December 20072008: 8 January 2008 to 28 December 20082009: 28 January 2009 to 26 December 20092010: 20 January 2010 to 30 November 20102011: 1 January 2011 to 27 December 20112012: 11 January 2012 to 20 December 20121977198419891994199920042009JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Houston 2 W meeting 10 mm (0.39 in).
First to last qualifying date each year at Houston 2 W
YearFirst dateLast date
19771977-02-121977-12-14
19801980-02-051980-12-09
19811981-02-011981-12-23
19821982-01-071982-12-25
19831983-03-051983-12-11
19841984-01-151984-12-30
19851985-01-011985-12-11
19861986-02-071986-12-08
19871987-01-091987-12-27
19881988-01-191988-12-28
19891989-01-261989-12-29
19901990-01-171990-12-30
19911991-01-101991-12-21
19921992-02-121992-12-16
19931993-01-031993-12-02
19941994-01-271994-12-09
19951995-01-131995-12-19
19961996-01-031996-12-24
19971997-01-091997-12-24
19981998-01-041998-12-19
19991999-01-011999-12-12
20002000-01-032000-12-14
20012001-01-292001-12-17
20022002-01-192002-12-31
20032003-02-142003-12-23
20042004-01-052004-12-07
20052005-01-042005-12-25
20062006-01-292006-12-31
20072007-01-132007-12-16
20082008-01-082008-12-28
20092009-01-282009-12-26
20102010-01-202010-11-30
20112011-01-012011-12-27
20122012-01-112012-12-20

Every Fixed Threshold

Fixed thresholds at Houston 2 W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3457199033
25 mm (0.98 in): Days with 25 mm or more rain3420198213
50 mm (1.97 in): Days with 50 mm or more rain30819852
100 mm (3.94 in): Days with 100 mm or more rain2220082
10 cm (3.9 in): Days with 10 cm or more snowfall19519851
25 cm (9.8 in): Days with 25 cm or more snowfall2119961

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 Houston 2 W 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).