Daily records
Page built 2026-10-19
Data as of 2026-10-12
Search
Built 2026-10-19 (19 October 2026)

Belle Fourche 22 NNW Threshold Days by Year (USC00390565)

19 fixed thresholds counted per year at Belle Fourche 22 NNW (USC00390565): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Belle Fourche 22 NNW Thresholds

  • Belle Fourche 22 NNW: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1982 with 18.
  • Belle Fourche 22 NNW: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2021 with 78.
  • Belle Fourche 22 NNW: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2021 with 60.
  • Belle Fourche 22 NNW: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1996 with 82.
  • 19 fixed thresholds have at least one qualifying day at Belle Fourche 22 NNW.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Belle Fourche 22 NNW Days per year at Belle Fourche 22 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 2021. 0204060801981: 421982: 391983: 611984: 541985: 441986: 411987: 471988: 731989: 611990: 611991: 421992: 361993: 81994: 461995: 361996: 391997: 421998: 471999: 402000: 702011: 562016: 632017: 612018: 452019: 292020: 652021: 782022: 672023: 502024: 712026: 6219811985198919931997201120192023
Days per year at Belle Fourche 22 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 2021.
Days at or above 30 C (86 F) per year at Belle Fourche 22 NNW
YearDaysDecade average
19814251.3
19823951.3
19836151.3
19845451.3
19854451.3
19864151.3
19874751.3
19887351.3
19896151.3
19906139.7
19914239.7
19923639.7
1993839.7
19944639.7
19953639.7
19963939.7
19974239.7
19984739.7
19994039.7
20007070
20115650.8
20166350.8
20176150.8
20184550.8
20192950.8
20206565.5
20217865.5
20226765.5
20235065.5
20247165.5
20266265.5
First to last qualifying date each year at Belle Fourche 22 NNW For each year, a bar from the first to the last day at Belle Fourche 22 NNW meeting 30 C (86 F). 1981: 7 June 1981 to 19 September 19811982: 4 July 1982 to 11 September 19821983: 28 May 1983 to 28 September 19831984: 31 May 1984 to 20 September 19841985: 9 May 1985 to 16 September 19851986: 5 May 1986 to 2 September 19861987: 18 April 1987 to 4 October 19871988: 18 May 1988 to 17 September 19881989: 23 April 1989 to 1 October 19891990: 11 June 1990 to 6 October 19901991: 12 June 1991 to 17 October 19911992: 1 May 1992 to 3 October 19921993: 21 June 1993 to 12 September 19931994: 23 April 1994 to 29 September 19941995: 17 June 1995 to 16 September 19951996: 10 June 1996 to 10 September 19961997: 1 June 1997 to 8 October 19971998: 6 July 1998 to 19 September 19981999: 21 June 1999 to 24 September 19992000: 7 June 2000 to 19 September 20002011: 3 June 2011 to 5 October 20112016: 5 May 2016 to 11 September 20162017: 6 May 2017 to 13 September 20172018: 26 May 2018 to 9 September 20182019: 3 June 2019 to 19 September 20192020: 31 May 2020 to 24 September 20202021: 18 May 2021 to 6 October 20212022: 27 May 2022 to 29 September 20222023: 12 April 2023 to 18 September 20232024: 3 June 2024 to 29 September 20242026: 23 April 2026 to 31 August 202619811985198919931997201120192023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Belle Fourche 22 NNW meeting 30 C (86 F).
First to last qualifying date each year at Belle Fourche 22 NNW
YearFirst dateLast date
19811981-06-071981-09-19
19821982-07-041982-09-11
19831983-05-281983-09-28
19841984-05-311984-09-20
19851985-05-091985-09-16
19861986-05-051986-09-02
19871987-04-181987-10-04
19881988-05-181988-09-17
19891989-04-231989-10-01
19901990-06-111990-10-06
19911991-06-121991-10-17
19921992-05-011992-10-03
19931993-06-211993-09-12
19941994-04-231994-09-29
19951995-06-171995-09-16
19961996-06-101996-09-10
19971997-06-011997-10-08
19981998-07-061998-09-19
19991999-06-211999-09-24
20002000-06-072000-09-19
20112011-06-032011-10-05
20162016-05-052016-09-11
20172017-05-062017-09-13
20182018-05-262018-09-09
20192019-06-032019-09-19
20202020-05-312020-09-24
20212021-05-182021-10-06
20222022-05-272022-09-29
20232023-04-122023-09-18
20242024-06-032024-09-29
20262026-04-232026-08-31

Every Fixed Threshold

Fixed thresholds at Belle Fourche 22 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3178202162
35 C (95 F): Days3038198822
40 C (104 F): Days12320245
90 F (32.2 C): Days3160202146
100 F (37.8 C): Days2812198813
110 F (43.3 C): Days2120241
0 C (32 F): Ice days (max3182199614
0 C (32 F): Frost days (min292101983106
-10 C (14 F): Days with min2996198525
-20 C (-4 F): Days with min294119966
-30 C (-22 F): Days with min201019964
-40 C (-40 F): Days with min1119891
20 C (68 F): Tropical nights (min16619882
10 mm (0.39 in): Days with 10 mm or more rain321819825
25 mm (0.98 in): Days with 25 mm or more rain28719822
50 mm (1.97 in): Days with 50 mm or more rain6220232
100 mm (3.94 in): Days with 100 mm or more rain1120231
10 cm (3.9 in): Days with 10 cm or more snowfall21620182
25 cm (9.8 in): Days with 25 cm or more snowfall2120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Belle Fourche 22 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 (2026-10-12).