Built 2026-10-19 (19 October 2026)

Commerce 4 NNW Threshold Days by Year (USC00092180)

16 fixed thresholds counted per year at Commerce 4 NNW (USC00092180): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Commerce 4 NNW Thresholds

  • Commerce 4 NNW: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1989 with 57.
  • Commerce 4 NNW: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 2018 with 26.
  • Commerce 4 NNW: days with a maximum temperature at or above 30 C (86 F) in 58 years, most in 2016 with 127.
  • Commerce 4 NNW: days with a maximum temperature at or above 90 F (32.2 C) in 58 years, most in 2016 with 99.
  • 16 fixed thresholds have at least one qualifying day at Commerce 4 NNW.
58 years with a qualifying day
Days at or above 30 C (86 F) per year at Commerce 4 NNW Days per year at Commerce 4 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 2016. 0501001501959: 1051960: 1061962: 1141963: 811964: 851965: 921966: 681967: 541968: 711969: 851971: 741972: 771973: 651974: 611976: 611977: 1121978: 1021979: 611980: 1151981: 931982: 881983: 801984: 851985: 851986: 1041987: 1001988: 921989: 621990: 921991: 761992: 481993: 1061994: 881995: 801996: 1001997: 791998: 1191999: 742003: 502004: 612005: 642006: 872007: 922008: 792009: 702010: 1082011: 1192012: 752013: 372015: 732016: 1272018: 1042019: 1142020: 682021: 702022: 902023: 682026: 21959196619731980198619921998200720132021
Days per year at Commerce 4 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 2016.
Days at or above 30 C (86 F) per year at Commerce 4 NNW
YearDaysDecade average
1959105105
196010684
196211484
19638184
19648584
19659284
19666884
19675484
19687184
19698584
19717476.6
19727776.6
19736576.6
19746176.6
19766176.6
197711276.6
197810276.6
19796176.6
198011590.4
19819390.4
19828890.4
19838090.4
19848590.4
19858590.4
198610490.4
198710090.4
19889290.4
19896290.4
19909286.2
19917686.2
19924886.2
199310686.2
19948886.2
19958086.2
199610086.2
19977986.2
199811986.2
19997486.2
20035071.9
20046171.9
20056471.9
20068771.9
20079271.9
20087971.9
20097071.9
201010894.6
201111994.6
20127594.6
20133794.6
20157394.6
201612794.6
201810494.6
201911494.6
20206859.6
20217059.6
20229059.6
20236859.6
2026259.6
First to last qualifying date each year at Commerce 4 NNW For each year, a bar from the first to the last day at Commerce 4 NNW meeting 30 C (86 F). 1959: 2 May 1959 to 11 October 19591960: 23 April 1960 to 4 October 19601962: 2 May 1962 to 17 October 19621963: 22 April 1963 to 22 October 19631964: 21 April 1964 to 24 September 19641965: 10 April 1965 to 23 September 19651966: 10 May 1966 to 12 September 19661967: 7 April 1967 to 7 October 19671968: 22 April 1968 to 1 October 19681969: 7 May 1969 to 28 September 19691971: 19 April 1971 to 5 October 19711972: 5 June 1972 to 29 September 19721973: 12 May 1973 to 6 October 19731974: 11 March 1974 to 22 September 19741976: 8 June 1976 to 10 September 19761977: 11 April 1977 to 23 September 19771978: 3 April 1978 to 22 September 19781979: 12 May 1979 to 8 September 19791980: 23 April 1980 to 27 September 19801981: 14 April 1981 to 7 October 19811982: 21 March 1982 to 18 September 19821983: 13 May 1983 to 19 October 19831984: 13 May 1984 to 30 October 19841985: 20 April 1985 to 15 October 19851986: 25 April 1986 to 5 October 19861987: 13 April 1987 to 18 September 19871988: 5 April 1988 to 25 September 19881989: 26 April 1989 to 14 September 19891990: 1 May 1990 to 20 September 19901991: 15 May 1991 to 18 September 19911992: 23 May 1992 to 10 September 19921993: 29 May 1993 to 26 September 19931994: 20 April 1994 to 17 September 19941995: 23 March 1995 to 1 September 19951996: 4 May 1996 to 28 October 19961997: 18 May 1997 to 7 October 19971998: 14 May 1998 to 30 October 19981999: 24 April 1999 to 9 September 19992003: 11 May 2003 to 6 September 20032004: 25 April 2004 to 1 September 20042005: 6 June 2005 to 25 September 20052006: 16 April 2006 to 5 September 20062007: 2 May 2007 to 10 October 20072008: 1 June 2008 to 16 September 20082009: 25 April 2009 to 26 September 20092010: 6 April 2010 to 26 September 20102011: 11 April 2011 to 27 September 20112012: 3 April 2012 to 16 September 20122013: 5 June 2013 to 17 September 20132015: 13 May 2015 to 1 October 20152016: 21 April 2016 to 4 November 20162018: 11 May 2018 to 8 October 20182019: 18 May 2019 to 5 October 20192020: 25 May 2020 to 15 September 20202021: 24 May 2021 to 15 September 20212022: 3 May 2022 to 23 September 20222023: 5 April 2023 to 30 August 20232026: 12 September 2026 to 14 September 202619591968197819861994200520132023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Commerce 4 NNW meeting 30 C (86 F).
First to last qualifying date each year at Commerce 4 NNW
YearFirst dateLast date
19591959-05-021959-10-11
19601960-04-231960-10-04
19621962-05-021962-10-17
19631963-04-221963-10-22
19641964-04-211964-09-24
19651965-04-101965-09-23
19661966-05-101966-09-12
19671967-04-071967-10-07
19681968-04-221968-10-01
19691969-05-071969-09-28
19711971-04-191971-10-05
19721972-06-051972-09-29
19731973-05-121973-10-06
19741974-03-111974-09-22
19761976-06-081976-09-10
19771977-04-111977-09-23
19781978-04-031978-09-22
19791979-05-121979-09-08
19801980-04-231980-09-27
19811981-04-141981-10-07
19821982-03-211982-09-18
19831983-05-131983-10-19
19841984-05-131984-10-30
19851985-04-201985-10-15
19861986-04-251986-10-05
19871987-04-131987-09-18
19881988-04-051988-09-25
19891989-04-261989-09-14
19901990-05-011990-09-20
19911991-05-151991-09-18
19921992-05-231992-09-10
19931993-05-291993-09-26
19941994-04-201994-09-17
19951995-03-231995-09-01
19961996-05-041996-10-28
19971997-05-181997-10-07
19981998-05-141998-10-30
19991999-04-241999-09-09
20032003-05-112003-09-06
20042004-04-252004-09-01
20052005-06-062005-09-25
20062006-04-162006-09-05
20072007-05-022007-10-10
20082008-06-012008-09-16
20092009-04-252009-09-26
20102010-04-062010-09-26
20112011-04-112011-09-27
20122012-04-032012-09-16
20132013-06-052013-09-17
20152015-05-132015-10-01
20162016-04-212016-11-04
20182018-05-112018-10-08
20192019-05-182019-10-05
20202020-05-252020-09-15
20212021-05-242021-09-15
20222022-05-032022-09-23
20232023-04-052023-08-30
20262026-09-122026-09-14

Every Fixed Threshold

Fixed thresholds at Commerce 4 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5812720162
35 C (95 F): Days493820114
40 C (104 F): Days3419833
90 F (32.2 C): Days589920162
100 F (37.8 C): Days17919803
0 C (32 F): Ice days (max32519772
0 C (32 F): Frost days (min54115196853
-10 C (14 F): Days with min362519602
-20 C (-4 F): Days with min2219661
20 C (68 F): Tropical nights (min558020182
25 C (77 F): Days with min6219941
10 mm (0.39 in): Days with 10 mm or more rain595719891
25 mm (0.98 in): Days with 25 mm or more rain592620181
50 mm (1.97 in): Days with 50 mm or more rain551019643
100 mm (3.94 in): Days with 100 mm or more rain16219651
10 cm (3.9 in): Days with 10 cm or more snowfall6219601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Commerce 4 NNW 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).