Built 2026-10-19 (19 October 2026)

Coleman Threshold Days by Year (GMW00034068)

14 fixed thresholds counted per year at Coleman (GMW00034068): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coleman Thresholds

  • Coleman: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1995 with 28.
  • Coleman: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 2003 with 42.
  • Coleman: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1955 with 105.
  • Coleman: days with a maximum temperature at or below 0 C (32 F) in 81 years, most in 1963 with 52.
  • 14 fixed thresholds have at least one qualifying day at Coleman.
83 years with a qualifying day
Days at or above 30 C (86 F) per year at Coleman Days per year at Coleman with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 2003. 02040601936: 91937: 181938: 141947: 341948: 151949: 231950: 131951: 91952: 181953: 121954: 61955: 31956: 41957: 121958: 71959: 211960: 21961: 171962: 81963: 91964: 221965: 31966: 61967: 161968: 51969: 151970: 91971: 191972: 111973: 181974: 71975: 151976: 231977: 31978: 41979: 61980: 41981: 71982: 171983: 231984: 81985: 71986: 121987: 61988: 91989: 121990: 191991: 241992: 211993: 141994: 241995: 191996: 81997: 141998: 181999: 172000: 112001: 212002: 122003: 422004: 192005: 272006: 232007: 142008: 172009: 152010: 212011: 122012: 192013: 212014: 102015: 342016: 182017: 232018: 422019: 342020: 202021: 112022: 382023: 322024: 252025: 262026: 491936195319621971198019891998200720162025
Days per year at Coleman with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 2003.
Days at or above 30 C (86 F) per year at Coleman
YearDaysDecade average
1936913.7
19371813.7
19381413.7
19473424
19481524
19492324
19501310.5
1951910.5
19521810.5
19531210.5
1954610.5
1955310.5
1956410.5
19571210.5
1958710.5
19592110.5
1960210.3
19611710.3
1962810.3
1963910.3
19642210.3
1965310.3
1966610.3
19671610.3
1968510.3
19691510.3
1970911.5
19711911.5
19721111.5
19731811.5
1974711.5
19751511.5
19762311.5
1977311.5
1978411.5
1979611.5
1980410.5
1981710.5
19821710.5
19832310.5
1984810.5
1985710.5
19861210.5
1987610.5
1988910.5
19891210.5
19901917.8
19912417.8
19922117.8
19931417.8
19942417.8
19951917.8
1996817.8
19971417.8
19981817.8
19991717.8
20001120.1
20012120.1
20021220.1
20034220.1
20041920.1
20052720.1
20062320.1
20071420.1
20081720.1
20091520.1
20102123.4
20111223.4
20121923.4
20132123.4
20141023.4
20153423.4
20161823.4
20172323.4
20184223.4
20193423.4
20202028.7
20211128.7
20223828.7
20233228.7
20242528.7
20252628.7
20264928.7
First to last qualifying date each year at Coleman For each year, a bar from the first to the last day at Coleman meeting 30 C (86 F). 1936: 17 June 1936 to 17 August 19361937: 25 May 1937 to 8 September 19371938: 8 June 1938 to 6 August 19381947: 1 June 1947 to 19 September 19471948: 8 June 1948 to 2 August 19481949: 18 April 1949 to 6 September 19491950: 5 June 1950 to 23 August 19501951: 11 July 1951 to 13 September 19511952: 29 June 1952 to 14 August 19521953: 18 May 1953 to 2 September 19531954: 19 June 1954 to 6 August 19541955: 16 July 1955 to 18 July 19551956: 28 May 1956 to 27 July 19561957: 15 June 1957 to 8 July 19571958: 11 July 1958 to 30 August 19581959: 21 June 1959 to 12 September 19591960: 23 June 1960 to 25 August 19601961: 25 June 1961 to 19 September 19611962: 24 June 1962 to 3 September 19621963: 21 July 1963 to 6 August 19631964: 12 June 1964 to 28 August 19641965: 25 June 1965 to 13 July 19651966: 9 June 1966 to 13 August 19661967: 28 May 1967 to 2 August 19671968: 21 April 1968 to 10 July 19681969: 13 May 1969 to 9 August 19691970: 22 June 1970 to 7 August 19701971: 19 May 1971 to 19 August 19711972: 27 June 1972 to 14 August 19721973: 27 June 1973 to 9 September 19731974: 31 July 1974 to 17 August 19741975: 12 June 1975 to 21 August 19751976: 9 May 1976 to 17 July 19761977: 13 June 1977 to 12 July 19771978: 28 July 1978 to 22 August 19781979: 30 May 1979 to 7 August 19791980: 14 June 1980 to 3 August 19801981: 2 June 1981 to 6 August 19811982: 1 June 1982 to 5 September 19821983: 10 July 1983 to 31 August 19831984: 9 July 1984 to 23 August 19841985: 14 July 1985 to 19 September 19851986: 16 June 1986 to 11 August 19861987: 29 June 1987 to 22 August 19871988: 23 July 1988 to 18 August 19881989: 21 June 1989 to 22 August 19891990: 26 June 1990 to 29 August 19901991: 2 July 1991 to 4 September 19911992: 30 June 1992 to 28 August 19921993: 26 May 1993 to 22 August 19931994: 25 June 1994 to 22 August 19941995: 30 June 1995 to 12 August 19951996: 31 May 1996 to 10 August 19961997: 4 August 1997 to 1 September 19971998: 11 May 1998 to 17 August 19981999: 29 May 1999 to 14 September 19992000: 11 May 2000 to 26 August 20002001: 26 June 2001 to 26 August 20012002: 17 June 2002 to 20 August 20022003: 5 May 2003 to 20 September 20032004: 8 June 2004 to 18 August 20042005: 27 May 2005 to 8 September 20052006: 13 June 2006 to 30 July 20062007: 21 May 2007 to 25 August 20072008: 28 May 2008 to 7 August 20082009: 25 May 2009 to 1 September 20092010: 9 June 2010 to 22 August 20102011: 30 May 2011 to 3 September 20112012: 28 April 2012 to 10 September 20122013: 17 June 2013 to 6 September 20132014: 7 June 2014 to 23 July 20142015: 12 May 2015 to 31 August 20152016: 23 June 2016 to 14 September 20162017: 27 May 2017 to 30 August 20172018: 28 May 2018 to 19 September 20182019: 2 June 2019 to 31 August 20192020: 26 June 2020 to 15 September 20202021: 9 May 2021 to 15 August 20212022: 19 May 2022 to 5 September 20222023: 10 June 2023 to 17 September 20232024: 26 June 2024 to 7 September 20242025: 31 May 2025 to 20 September 20252026: 23 May 2026 to 27 August 202619361955196619771988199920102021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coleman meeting 30 C (86 F).
First to last qualifying date each year at Coleman
YearFirst dateLast date
19361936-06-171936-08-17
19371937-05-251937-09-08
19381938-06-081938-08-06
19471947-06-011947-09-19
19481948-06-081948-08-02
19491949-04-181949-09-06
19501950-06-051950-08-23
19511951-07-111951-09-13
19521952-06-291952-08-14
19531953-05-181953-09-02
19541954-06-191954-08-06
19551955-07-161955-07-18
19561956-05-281956-07-27
19571957-06-151957-07-08
19581958-07-111958-08-30
19591959-06-211959-09-12
19601960-06-231960-08-25
19611961-06-251961-09-19
19621962-06-241962-09-03
19631963-07-211963-08-06
19641964-06-121964-08-28
19651965-06-251965-07-13
19661966-06-091966-08-13
19671967-05-281967-08-02
19681968-04-211968-07-10
19691969-05-131969-08-09
19701970-06-221970-08-07
19711971-05-191971-08-19
19721972-06-271972-08-14
19731973-06-271973-09-09
19741974-07-311974-08-17
19751975-06-121975-08-21
19761976-05-091976-07-17
19771977-06-131977-07-12
19781978-07-281978-08-22
19791979-05-301979-08-07
19801980-06-141980-08-03
19811981-06-021981-08-06
19821982-06-011982-09-05
19831983-07-101983-08-31
19841984-07-091984-08-23
19851985-07-141985-09-19
19861986-06-161986-08-11
19871987-06-291987-08-22
19881988-07-231988-08-18
19891989-06-211989-08-22
19901990-06-261990-08-29
19911991-07-021991-09-04
19921992-06-301992-08-28
19931993-05-261993-08-22
19941994-06-251994-08-22
19951995-06-301995-08-12
19961996-05-311996-08-10
19971997-08-041997-09-01
19981998-05-111998-08-17
19991999-05-291999-09-14
20002000-05-112000-08-26
20012001-06-262001-08-26
20022002-06-172002-08-20
20032003-05-052003-09-20
20042004-06-082004-08-18
20052005-05-272005-09-08
20062006-06-132006-07-30
20072007-05-212007-08-25
20082008-05-282008-08-07
20092009-05-252009-09-01
20102010-06-092010-08-22
20112011-05-302011-09-03
20122012-04-282012-09-10
20132013-06-172013-09-06
20142014-06-072014-07-23
20152015-05-122015-08-31
20162016-06-232016-09-14
20172017-05-272017-08-30
20182018-05-282018-09-19
20192019-06-022019-08-31
20202020-06-262020-09-15
20212021-05-092021-08-15
20222022-05-192022-09-05
20232023-06-102023-09-17
20242024-06-262024-09-07
20252025-05-312025-09-20
20262026-05-232026-08-27

Every Fixed Threshold

Fixed thresholds at Coleman
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8342200349
35 C (95 F): Days4214200317
40 C (104 F): Days10n/a1
90 F (32.2 C): Days7322200336
100 F (37.8 C): Days8520035
0 C (32 F): Ice days (max815219634
0 C (32 F): Frost days (min83105195538
-10 C (14 F): Days with min553119633
-20 C (-4 F): Days with min2219561
20 C (68 F): Tropical nights (min4418194713
10 mm (0.39 in): Days with 10 mm or more rain882819956
25 mm (0.98 in): Days with 25 mm or more rain70720101
50 mm (1.97 in): Days with 50 mm or more rain8219411
100 mm (3.94 in): Days with 100 mm or more rain1119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Coleman 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 (2026-10-15).