Built 2026-10-19 (19 October 2026)

Greeley Unc Threshold Days by Year (USC00053553)

17 fixed thresholds counted per year at Greeley Unc (USC00053553): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greeley Unc Thresholds

  • Greeley Unc: nights with a minimum temperature at or below 0 C (32 F) in 59 years, most in 1984 with 183.
  • Greeley Unc: nights with a minimum temperature at or below -10 C (14 F) in 59 years, most in 1985 with 64.
  • Greeley Unc: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 2015 with 17.
  • Greeley Unc: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 2020 with 118.
  • 17 fixed thresholds have at least one qualifying day at Greeley Unc.
57 years with a qualifying day
Days at or above 30 C (86 F) per year at Greeley Unc Days per year at Greeley Unc with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 2020. 0501001501968: 691969: 671970: 691971: 641972: 601973: 591974: 701975: 771976: 621977: 791978: 801979: 691980: 801981: 691982: 551983: 711984: 731985: 601986: 571987: 691988: 771989: 641990: 641991: 661992: 491993: 491994: 871995: 611996: 711997: 691998: 821999: 632000: 872001: 862002: 972003: 802006: 1092007: 1042008: 892009: 912010: 1082011: 1032012: 1122013: 862014: 712015: 902016: 842017: 862018: 932019: 772020: 1182021: 1082022: 1112023: 732024: 1032025: 812026: 1311968197419801986199219982006201220182024
Days per year at Greeley Unc with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 2020.
Days at or above 30 C (86 F) per year at Greeley Unc
YearDaysDecade average
19686968
19696768
19706968.9
19716468.9
19726068.9
19735968.9
19747068.9
19757768.9
19766268.9
19777968.9
19788068.9
19796968.9
19808067.5
19816967.5
19825567.5
19837167.5
19847367.5
19856067.5
19865767.5
19876967.5
19887767.5
19896467.5
19906466.1
19916666.1
19924966.1
19934966.1
19948766.1
19956166.1
19967166.1
19976966.1
19988266.1
19996366.1
20008792.9
20018692.9
20029792.9
20038092.9
200610992.9
200710492.9
20088992.9
20099192.9
201010891
201110391
201211291
20138691
20147191
20159091
20168491
20178691
20189391
20197791
2020118103.6
2021108103.6
2022111103.6
202373103.6
2024103103.6
202581103.6
2026131103.6
First to last qualifying date each year at Greeley Unc For each year, a bar from the first to the last day at Greeley Unc meeting 30 C (86 F). 1968: 29 May 1968 to 14 September 19681969: 25 May 1969 to 28 September 19691970: 17 May 1970 to 20 September 19701971: 15 June 1971 to 14 September 19711972: 16 May 1972 to 19 September 19721973: 18 May 1973 to 30 August 19731974: 19 May 1974 to 26 September 19741975: 16 May 1975 to 12 October 19751976: 14 May 1976 to 11 September 19761977: 1 June 1977 to 29 September 19771978: 14 May 1978 to 28 September 19781979: 27 May 1979 to 7 October 19791980: 27 May 1980 to 7 October 19801981: 25 April 1981 to 29 September 19811982: 27 May 1982 to 10 September 19821983: 26 May 1983 to 27 September 19831984: 12 May 1984 to 23 September 19841985: 28 May 1985 to 17 September 19851986: 4 May 1986 to 14 September 19861987: 17 April 1987 to 3 October 19871988: 12 May 1988 to 10 September 19881989: 20 April 1989 to 30 September 19891990: 22 May 1990 to 5 October 19901991: 10 May 1991 to 16 October 19911992: 30 April 1992 to 2 October 19921993: 26 May 1993 to 6 October 19931994: 16 May 1994 to 29 September 19941995: 12 June 1995 to 17 September 19951996: 14 May 1996 to 12 October 19961997: 17 May 1997 to 5 October 19971998: 17 May 1998 to 28 September 19981999: 19 May 1999 to 25 September 19992000: 4 May 2000 to 17 September 20002001: 1 May 2001 to 29 September 20012002: 6 May 2002 to 24 September 20022003: 17 May 2003 to 19 October 20032006: 10 April 2006 to 7 October 20062007: 19 April 2007 to 6 October 20072008: 15 April 2008 to 28 September 20082009: 23 April 2009 to 18 October 20092010: 22 May 2010 to 7 October 20102011: 2 April 2011 to 4 October 20112012: 1 April 2012 to 2 October 20122013: 13 May 2013 to 17 September 20132014: 4 May 2014 to 27 September 20142015: 3 June 2015 to 14 October 20152016: 6 June 2016 to 23 September 20162017: 6 May 2017 to 22 September 20172018: 10 May 2018 to 3 October 20182019: 15 May 2019 to 30 September 20192020: 1 May 2020 to 10 October 20202021: 5 April 2021 to 6 October 20212022: 19 April 2022 to 29 September 20222023: 11 April 2023 to 20 October 20232024: 17 May 2024 to 10 October 20242025: 12 April 2025 to 9 October 20252026: 18 March 2026 to 11 October 202619681976198419922000201020182026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greeley Unc meeting 30 C (86 F).
First to last qualifying date each year at Greeley Unc
YearFirst dateLast date
19681968-05-291968-09-14
19691969-05-251969-09-28
19701970-05-171970-09-20
19711971-06-151971-09-14
19721972-05-161972-09-19
19731973-05-181973-08-30
19741974-05-191974-09-26
19751975-05-161975-10-12
19761976-05-141976-09-11
19771977-06-011977-09-29
19781978-05-141978-09-28
19791979-05-271979-10-07
19801980-05-271980-10-07
19811981-04-251981-09-29
19821982-05-271982-09-10
19831983-05-261983-09-27
19841984-05-121984-09-23
19851985-05-281985-09-17
19861986-05-041986-09-14
19871987-04-171987-10-03
19881988-05-121988-09-10
19891989-04-201989-09-30
19901990-05-221990-10-05
19911991-05-101991-10-16
19921992-04-301992-10-02
19931993-05-261993-10-06
19941994-05-161994-09-29
19951995-06-121995-09-17
19961996-05-141996-10-12
19971997-05-171997-10-05
19981998-05-171998-09-28
19991999-05-191999-09-25
20002000-05-042000-09-17
20012001-05-012001-09-29
20022002-05-062002-09-24
20032003-05-172003-10-19
20062006-04-102006-10-07
20072007-04-192007-10-06
20082008-04-152008-09-28
20092009-04-232009-10-18
20102010-05-222010-10-07
20112011-04-022011-10-04
20122012-04-012012-10-02
20132013-05-132013-09-17
20142014-05-042014-09-27
20152015-06-032015-10-14
20162016-06-062016-09-23
20172017-05-062017-09-22
20182018-05-102018-10-03
20192019-05-152019-09-30
20202020-05-012020-10-10
20212021-04-052021-10-06
20222022-04-192022-09-29
20232023-04-112023-10-20
20242024-05-172024-10-10
20252025-04-122025-10-09
20262026-03-182026-10-11

Every Fixed Threshold

Fixed thresholds at Greeley Unc
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days571182020131
35 C (95 F): Days5758202248
40 C (104 F): Days131220036
90 F (32.2 C): Days57952020102
100 F (37.8 C): Days4629200619
110 F (43.3 C): Days1220062
0 C (32 F): Ice days (max574619783
0 C (32 F): Frost days (min59183198485
-10 C (14 F): Days with min5964198512
-20 C (-4 F): Days with min531619851
-30 C (-22 F): Days with min4119721
20 C (68 F): Tropical nights (min20720225
10 mm (0.39 in): Days with 10 mm or more rain591720155
25 mm (0.98 in): Days with 25 mm or more rain46719831
50 mm (1.97 in): Days with 50 mm or more rain13220081
10 cm (3.9 in): Days with 10 cm or more snowfall51819751
25 cm (9.8 in): Days with 25 cm or more snowfall9219971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Greeley Unc 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).