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Built 2026-10-19 (19 October 2026)

Northglenn Threshold Days by Year (USC00055984)

18 fixed thresholds counted per year at Northglenn (USC00055984): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Northglenn Thresholds

  • Northglenn: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 2015 with 22.
  • Northglenn: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 2024 with 110.
  • Northglenn: days with a maximum temperature at or above 35 C (95 F) in 39 years, most in 2022 with 55.
  • Northglenn: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 2024 with 88.
  • 18 fixed thresholds have at least one qualifying day at Northglenn.
39 years with a qualifying day
Days at or above 30 C (86 F) per year at Northglenn Days per year at Northglenn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 2024. 0501001501985: 491986: 441987: 491990: 611991: 501992: 371993: 491994: 741995: 461996: 491997: 601998: 732000: 912001: 942002: 942003: 922004: 692005: 962006: 882007: 962008: 912009: 702010: 842011: 842012: 782013: 782014: 672015: 782016: 862017: 802018: 872019: 812020: 1052021: 952022: 1042023: 822024: 1102025: 872026: 1201985199119952000200420082012201620202024
Days per year at Northglenn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 2024.
Days at or above 30 C (86 F) per year at Northglenn
YearDaysDecade average
19854947.3
19864447.3
19874947.3
19906155.4
19915055.4
19923755.4
19934955.4
19947455.4
19954655.4
19964955.4
19976055.4
19987355.4
20009188.1
20019488.1
20029488.1
20039288.1
20046988.1
20059688.1
20068888.1
20079688.1
20089188.1
20097088.1
20108480.3
20118480.3
20127880.3
20137880.3
20146780.3
20157880.3
20168680.3
20178080.3
20188780.3
20198180.3
2020105100.4
202195100.4
2022104100.4
202382100.4
2024110100.4
202587100.4
2026120100.4
First to last qualifying date each year at Northglenn For each year, a bar from the first to the last day at Northglenn meeting 30 C (86 F). 1985: 28 May 1985 to 16 September 19851986: 6 June 1986 to 29 August 19861987: 5 June 1987 to 3 September 19871990: 22 May 1990 to 19 September 19901991: 8 June 1991 to 16 October 19911992: 30 April 1992 to 24 September 19921993: 1 June 1993 to 5 October 19931994: 29 May 1994 to 29 September 19941995: 13 June 1995 to 19 September 19951996: 14 May 1996 to 11 October 19961997: 17 May 1997 to 4 October 19971998: 18 May 1998 to 28 September 19982000: 4 May 2000 to 1 October 20002001: 1 May 2001 to 3 October 20012002: 28 May 2002 to 24 September 20022003: 22 May 2003 to 24 October 20032004: 6 May 2004 to 19 September 20042005: 20 May 2005 to 9 October 20052006: 14 April 2006 to 8 October 20062007: 30 April 2007 to 7 October 20072008: 16 April 2008 to 29 September 20082009: 24 April 2009 to 30 September 20092010: 23 May 2010 to 29 September 20102011: 8 May 2011 to 2 October 20112012: 25 April 2012 to 3 October 20122013: 14 May 2013 to 9 September 20132014: 5 May 2014 to 28 September 20142015: 1 June 2015 to 12 October 20152016: 22 May 2016 to 23 October 20162017: 7 May 2017 to 26 October 20172018: 11 May 2018 to 5 October 20182019: 15 May 2019 to 30 September 20192020: 2 May 2020 to 10 October 20202021: 2 May 2021 to 6 October 20212022: 23 April 2022 to 30 September 20222023: 12 April 2023 to 21 October 20232024: 18 May 2024 to 15 October 20242025: 13 April 2025 to 10 October 20252026: 19 March 2026 to 13 October 202619851992199720032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Northglenn meeting 30 C (86 F).
First to last qualifying date each year at Northglenn
YearFirst dateLast date
19851985-05-281985-09-16
19861986-06-061986-08-29
19871987-06-051987-09-03
19901990-05-221990-09-19
19911991-06-081991-10-16
19921992-04-301992-09-24
19931993-06-011993-10-05
19941994-05-291994-09-29
19951995-06-131995-09-19
19961996-05-141996-10-11
19971997-05-171997-10-04
19981998-05-181998-09-28
20002000-05-042000-10-01
20012001-05-012001-10-03
20022002-05-282002-09-24
20032003-05-222003-10-24
20042004-05-062004-09-19
20052005-05-202005-10-09
20062006-04-142006-10-08
20072007-04-302007-10-07
20082008-04-162008-09-29
20092009-04-242009-09-30
20102010-05-232010-09-29
20112011-05-082011-10-02
20122012-04-252012-10-03
20132013-05-142013-09-09
20142014-05-052014-09-28
20152015-06-012015-10-12
20162016-05-222016-10-23
20172017-05-072017-10-26
20182018-05-112018-10-05
20192019-05-152019-09-30
20202020-05-022020-10-10
20212021-05-022021-10-06
20222022-04-232022-09-30
20232023-04-122023-10-21
20242024-05-182024-10-15
20252025-04-132025-10-10
20262026-03-192026-10-13

Every Fixed Threshold

Fixed thresholds at Northglenn
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days391102024120
35 C (95 F): Days3955202257
40 C (104 F): Days13520038
90 F (32.2 C): Days3988202494
100 F (37.8 C): Days3020200325
110 F (43.3 C): Days1120081
0 C (32 F): Ice days (max393619854
0 C (32 F): Frost days (min37172198569
-10 C (14 F): Days with min376219859
-20 C (-4 F): Days with min301219853
-30 C (-22 F): Days with min1219902
20 C (68 F): Tropical nights (min17420031
10 mm (0.39 in): Days with 10 mm or more rain402220158
25 mm (0.98 in): Days with 25 mm or more rain34420032
50 mm (1.97 in): Days with 50 mm or more rain6119901
10 cm (3.9 in): Days with 10 cm or more snowfall34619871
25 cm (9.8 in): Days with 25 cm or more snowfall10219871
50 cm (19.7 in): Days with 50 cm or more snowfall2120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1985.

Download the Data

  • Data for Northglenn 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).