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Built 2026-10-19 (19 October 2026)

Harris STN Threshold Days by Year (USC00173588)

6 fixed thresholds counted per year at Harris STN (USC00173588): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harris STN Thresholds

  • Harris STN: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1973 with 47.
  • Harris STN: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 2005 with 12.
  • Harris STN: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 2008 with 4.
  • Harris STN: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1971 with 16.
  • 6 fixed thresholds have at least one qualifying day at Harris STN.
55 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Harris STN Days per year at Harris STN with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1973. 02040601969: 361970: 291971: 221972: 341973: 471974: 321975: 281976: 451977: 301978: 301979: 301980: 251981: 341982: 211983: 371984: 311985: 291986: 301988: 241989: 341990: 351991: 261992: 241993: 261994: 261995: 291996: 381997: 251998: 421999: 342000: 332001: 172002: 312003: 352005: 442006: 392007: 362008: 422009: 372010: 372011: 402012: 332013: 352014: 342015: 372016: 262017: 322018: 352019: 392020: 312021: 252022: 382023: 412024: 392026: 91969197519811988199420002007201320192026
Days per year at Harris STN with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Harris STN
YearDaysDecade average
19693636
19702932.7
19712232.7
19723432.7
19734732.7
19743232.7
19752832.7
19764532.7
19773032.7
19783032.7
19793032.7
19802529.4
19813429.4
19822129.4
19833729.4
19843129.4
19852929.4
19863029.4
19882429.4
19893429.4
19903530.5
19912630.5
19922430.5
19932630.5
19942630.5
19952930.5
19963830.5
19972530.5
19984230.5
19993430.5
20003334.9
20011734.9
20023134.9
20033534.9
20054434.9
20063934.9
20073634.9
20084234.9
20093734.9
20103734.8
20114034.8
20123334.8
20133534.8
20143434.8
20153734.8
20162634.8
20173234.8
20183534.8
20193934.8
20203130.5
20212530.5
20223830.5
20234130.5
20243930.5
2026930.5
First to last qualifying date each year at Harris STN For each year, a bar from the first to the last day at Harris STN meeting 10 mm (0.39 in). 1969: 3 February 1969 to 27 December 19691970: 3 February 1970 to 24 December 19701971: 8 February 1971 to 30 November 19711972: 4 February 1972 to 31 December 19721973: 20 January 1973 to 21 December 19731974: 27 January 1974 to 9 December 19741975: 18 January 1975 to 21 November 19751976: 14 January 1976 to 7 December 19761977: 10 January 1977 to 22 December 19771978: 9 January 1978 to 17 December 19781979: 2 January 1979 to 3 November 19791980: 12 January 1980 to 3 December 19801981: 2 February 1981 to 6 December 19811982: 1 January 1982 to 15 November 19821983: 11 January 1983 to 28 December 19831984: 28 February 1984 to 22 December 19841985: 13 February 1985 to 2 December 19851986: 3 January 1986 to 9 December 19861988: 12 February 1988 to 28 November 19881989: 21 February 1989 to 21 November 19891990: 26 January 1990 to 24 December 19901991: 12 January 1991 to 23 November 19911992: 5 January 1992 to 23 November 19921993: 13 February 1993 to 21 December 19931994: 18 January 1994 to 5 December 19941995: 7 January 1995 to 19 November 19951996: 19 January 1996 to 24 December 19961997: 10 January 1997 to 25 December 19971998: 6 January 1998 to 17 December 19981999: 3 January 1999 to 21 December 19992000: 11 February 2000 to 20 December 20002001: 30 January 2001 to 24 December 20012002: 13 January 2002 to 21 December 20022003: 3 February 2003 to 26 December 20032005: 11 February 2005 to 30 December 20052006: 15 January 2006 to 23 December 20062007: 16 January 2007 to 24 December 20072008: 2 January 2008 to 28 December 20082009: 8 January 2009 to 28 December 20092010: 26 January 2010 to 14 December 20102011: 19 January 2011 to 28 December 20112012: 25 February 2012 to 28 December 20122013: 20 February 2013 to 22 December 20132014: 7 January 2014 to 25 December 20142015: 19 January 2015 to 30 December 20152016: 11 January 2016 to 30 December 20162017: 4 January 2017 to 13 December 20172018: 5 January 2018 to 22 December 20182019: 10 January 2019 to 28 November 20192020: 12 January 2020 to 26 December 20202021: 17 January 2021 to 23 December 20212022: 4 February 2022 to 24 December 20222023: 5 January 2023 to 19 December 20232024: 10 January 2024 to 31 December 20242026: 12 March 2026 to 10 September 202619691976198319911998200620132020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Harris STN meeting 10 mm (0.39 in).
First to last qualifying date each year at Harris STN
YearFirst dateLast date
19691969-02-031969-12-27
19701970-02-031970-12-24
19711971-02-081971-11-30
19721972-02-041972-12-31
19731973-01-201973-12-21
19741974-01-271974-12-09
19751975-01-181975-11-21
19761976-01-141976-12-07
19771977-01-101977-12-22
19781978-01-091978-12-17
19791979-01-021979-11-03
19801980-01-121980-12-03
19811981-02-021981-12-06
19821982-01-011982-11-15
19831983-01-111983-12-28
19841984-02-281984-12-22
19851985-02-131985-12-02
19861986-01-031986-12-09
19881988-02-121988-11-28
19891989-02-211989-11-21
19901990-01-261990-12-24
19911991-01-121991-11-23
19921992-01-051992-11-23
19931993-02-131993-12-21
19941994-01-181994-12-05
19951995-01-071995-11-19
19961996-01-191996-12-24
19971997-01-101997-12-25
19981998-01-061998-12-17
19991999-01-031999-12-21
20002000-02-112000-12-20
20012001-01-302001-12-24
20022002-01-132002-12-21
20032003-02-032003-12-26
20052005-02-112005-12-30
20062006-01-152006-12-23
20072007-01-162007-12-24
20082008-01-022008-12-28
20092009-01-082009-12-28
20102010-01-262010-12-14
20112011-01-192011-12-28
20122012-02-252012-12-28
20132013-02-202013-12-22
20142014-01-072014-12-25
20152015-01-192015-12-30
20162016-01-112016-12-30
20172017-01-042017-12-13
20182018-01-052018-12-22
20192019-01-102019-11-28
20202020-01-122020-12-26
20212021-01-172021-12-23
20222022-02-042022-12-24
20232023-01-052023-12-19
20242024-01-102024-12-31
20262026-03-122026-09-10

Every Fixed Threshold

Fixed thresholds at Harris STN
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain554719739
25 mm (0.98 in): Days with 25 mm or more rain551220051
50 mm (1.97 in): Days with 50 mm or more rain23420083
10 cm (3.9 in): Days with 10 cm or more snowfall1016197112
25 cm (9.8 in): Days with 25 cm or more snowfall9519692
50 cm (19.7 in): Days with 50 cm or more snowfall3219691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Harris STN 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 (2026-10-12).