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Built 2026-10-19 (19 October 2026)

Florissant Fossil Beds Threshold Days by Year (USC00052965)

12 fixed thresholds counted per year at Florissant Fossil Beds (USC00052965): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Florissant Fossil Beds Thresholds

  • Florissant Fossil Beds: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 2007 with 42.
  • Florissant Fossil Beds: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2008 with 259.
  • Florissant Fossil Beds: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 2013 with 123.
  • Florissant Fossil Beds: nights with a minimum temperature at or below -20 C (-4 F) in 34 years, most in 2007 with 34.
  • 12 fixed thresholds have at least one qualifying day at Florissant Fossil Beds.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Florissant Fossil Beds Days per year at Florissant Fossil Beds with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2005. 0510151990: 71994: 51997: 21998: 52000: 42002: 92003: 102005: 132007: 52008: 52010: 32011: 32012: 132013: 52014: 22016: 22017: 42018: 72019: 42020: 52021: 72022: 52023: 42024: 52025: 4199019982003200820122016201920222025
Days per year at Florissant Fossil Beds with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2005.
Days at or above 30 C (86 F) per year at Florissant Fossil Beds
YearDaysDecade average
199074.8
199454.8
199724.8
199854.8
200047.7
200297.7
2003107.7
2005137.7
200757.7
200857.7
201034.8
201134.8
2012134.8
201354.8
201424.8
201624.8
201744.8
201874.8
201944.8
202055
202175
202255
202345
202455
202545
First to last qualifying date each year at Florissant Fossil Beds For each year, a bar from the first to the last day at Florissant Fossil Beds meeting 30 C (86 F). 1990: 18 June 1990 to 3 July 19901994: 25 June 1994 to 18 July 19941997: 15 July 1997 to 16 July 19971998: 29 June 1998 to 20 July 19982000: 6 July 2000 to 15 September 20002002: 31 May 2002 to 17 August 20022003: 8 July 2003 to 26 July 20032005: 19 June 2005 to 31 July 20052007: 25 June 2007 to 3 July 20072008: 11 July 2008 to 2 August 20082010: 15 July 2010 to 17 July 20102011: 29 June 2011 to 5 July 20112012: 18 June 2012 to 3 July 20122013: 10 June 2013 to 23 July 20132014: 30 June 2014 to 7 July 20142016: 19 June 2016 to 20 June 20162017: 20 June 2017 to 10 July 20172018: 26 June 2018 to 21 July 20182019: 12 July 2019 to 19 July 20192020: 10 July 2020 to 14 August 20202021: 13 June 2021 to 9 July 20212022: 11 June 2022 to 23 July 20222023: 13 July 2023 to 25 July 20232024: 26 June 2024 to 4 August 20242025: 10 July 2025 to 9 August 20251990200020072012201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Florissant Fossil Beds meeting 30 C (86 F).
First to last qualifying date each year at Florissant Fossil Beds
YearFirst dateLast date
19901990-06-181990-07-03
19941994-06-251994-07-18
19971997-07-151997-07-16
19981998-06-291998-07-20
20002000-07-062000-09-15
20022002-05-312002-08-17
20032003-07-082003-07-26
20052005-06-192005-07-31
20072007-06-252007-07-03
20082008-07-112008-08-02
20102010-07-152010-07-17
20112011-06-292011-07-05
20122012-06-182012-07-03
20132013-06-102013-07-23
20142014-06-302014-07-07
20162016-06-192016-06-20
20172017-06-202017-07-10
20182018-06-262018-07-21
20192019-07-122019-07-19
20202020-07-102020-08-14
20212021-06-132021-07-09
20222022-06-112022-07-23
20232023-07-132023-07-25
20242024-06-262024-08-04
20252025-07-102025-08-09

Every Fixed Threshold

Fixed thresholds at Florissant Fossil Beds
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days251320054
90 F (32.2 C): Days4319941
0 C (32 F): Ice days (max3442200721
0 C (32 F): Frost days (min342592008225
-10 C (14 F): Days with min34123201385
-20 C (-4 F): Days with min3434200721
-30 C (-22 F): Days with min18420111
10 mm (0.39 in): Days with 10 mm or more rain341620155
25 mm (0.98 in): Days with 25 mm or more rain23420061
50 mm (1.97 in): Days with 50 mm or more rain1220032
10 cm (3.9 in): Days with 10 cm or more snowfall30819941
25 cm (9.8 in): Days with 25 cm or more snowfall7119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Florissant Fossil Beds 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).