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Built 2026-10-19 (19 October 2026)

Billings Threshold Days by Year (USC00340755)

20 fixed thresholds counted per year at Billings (USC00340755): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Billings Thresholds

  • Billings: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1999 with 41.
  • Billings: days with 25 mm (0.98 in) or more of precipitation in 88 years, most in 1999 with 20.
  • Billings: days with 50 mm (1.97 in) or more of precipitation in 73 years, most in 1974 with 7.
  • Billings: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1963 with 142.
  • 20 fixed thresholds have at least one qualifying day at Billings.
57 years with a qualifying day
Days at or above 30 C (86 F) per year at Billings Days per year at Billings with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1963. 0501001501960: 1011961: 771962: 1261963: 1421964: 1041968: 1041969: 971970: 1111971: 1031972: 1171974: 831975: 1021978: 1061982: 991983: 961984: 1121985: 991986: 1001987: 1041988: 1101989: 881990: 1081991: 1151992: 641993: 831994: 1031995: 851996: 921997: 871998: 1261999: 772000: 1062001: 1012002: 972003: 872004: 912005: 1132006: 1102007: 882009: 742010: 1072011: 1162012: 1292013: 922014: 1112015: 1032016: 1102017: 982018: 1152019: 1032020: 1032021: 1062022: 1242023: 1112024: 1282025: 1072026: 1191960196919781987199319992005201220182024
Days per year at Billings with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1963.
Days at or above 30 C (86 F) per year at Billings
YearDaysDecade average
1960101107.3
196177107.3
1962126107.3
1963142107.3
1964104107.3
1968104107.3
196997107.3
1970111103.7
1971103103.7
1972117103.7
197483103.7
1975102103.7
1978106103.7
198299101
198396101
1984112101
198599101
1986100101
1987104101
1988110101
198988101
199010894
199111594
19926494
19938394
199410394
19958594
19969294
19978794
199812694
19997794
200010696.3
200110196.3
20029796.3
20038796.3
20049196.3
200511396.3
200611096.3
20078896.3
20097496.3
2010107108.4
2011116108.4
2012129108.4
201392108.4
2014111108.4
2015103108.4
2016110108.4
201798108.4
2018115108.4
2019103108.4
2020103114
2021106114
2022124114
2023111114
2024128114
2025107114
2026119114
First to last qualifying date each year at Billings For each year, a bar from the first to the last day at Billings meeting 30 C (86 F). 1960: 6 April 1960 to 12 October 19601961: 19 April 1961 to 8 October 19611962: 28 March 1962 to 15 October 19621963: 28 March 1963 to 23 October 19631964: 12 April 1964 to 14 September 19641968: 1 May 1968 to 30 October 19681969: 19 April 1969 to 4 October 19691970: 29 April 1970 to 22 September 19701971: 7 May 1971 to 8 October 19711972: 11 April 1972 to 13 October 19721974: 30 March 1974 to 12 September 19741975: 22 May 1975 to 22 October 19751978: 12 May 1978 to 22 October 19781982: 13 April 1982 to 16 October 19821983: 29 May 1983 to 5 October 19831984: 12 May 1984 to 4 October 19841985: 17 May 1985 to 18 September 19851986: 26 April 1986 to 29 September 19861987: 19 April 1987 to 27 September 19871988: 12 May 1988 to 23 September 19881989: 11 March 1989 to 15 October 19891990: 23 April 1990 to 5 October 19901991: 6 March 1991 to 14 October 19911992: 2 May 1992 to 14 October 19921993: 7 June 1993 to 7 October 19931994: 24 May 1994 to 4 October 19941995: 23 March 1995 to 17 October 19951996: 23 February 1996 to 12 September 19961997: 18 May 1997 to 7 October 19971998: 26 April 1998 to 1 October 19981999: 16 May 1999 to 16 October 19992000: 8 May 2000 to 5 October 20002001: 14 May 2001 to 23 September 20012002: 18 April 2002 to 3 October 20022003: 15 April 2003 to 21 October 20032004: 5 May 2004 to 22 October 20042005: 11 May 2005 to 19 October 20052006: 7 April 2006 to 9 November 20062007: 13 May 2007 to 8 October 20072009: 10 April 2009 to 28 September 20092010: 1 April 2010 to 17 October 20102011: 18 March 2011 to 7 October 20112012: 2 April 2012 to 3 November 20122013: 30 April 2013 to 12 October 20132014: 3 April 2014 to 27 October 20142015: 1 April 2015 to 16 October 20152016: 6 April 2016 to 17 November 20162017: 12 February 2017 to 15 October 20172018: 13 April 2018 to 6 October 20182019: 10 April 2019 to 3 October 20192020: 8 April 2020 to 23 October 20202021: 5 June 2021 to 24 October 20212022: 13 April 2022 to 23 October 20222023: 4 April 2023 to 24 October 20232024: 28 February 2024 to 30 October 20242025: 14 April 2025 to 18 October 20252026: 10 March 2026 to 14 October 202619601971198519932001201020182026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Billings meeting 30 C (86 F).
First to last qualifying date each year at Billings
YearFirst dateLast date
19601960-04-061960-10-12
19611961-04-191961-10-08
19621962-03-281962-10-15
19631963-03-281963-10-23
19641964-04-121964-09-14
19681968-05-011968-10-30
19691969-04-191969-10-04
19701970-04-291970-09-22
19711971-05-071971-10-08
19721972-04-111972-10-13
19741974-03-301974-09-12
19751975-05-221975-10-22
19781978-05-121978-10-22
19821982-04-131982-10-16
19831983-05-291983-10-05
19841984-05-121984-10-04
19851985-05-171985-09-18
19861986-04-261986-09-29
19871987-04-191987-09-27
19881988-05-121988-09-23
19891989-03-111989-10-15
19901990-04-231990-10-05
19911991-03-061991-10-14
19921992-05-021992-10-14
19931993-06-071993-10-07
19941994-05-241994-10-04
19951995-03-231995-10-17
19961996-02-231996-09-12
19971997-05-181997-10-07
19981998-04-261998-10-01
19991999-05-161999-10-16
20002000-05-082000-10-05
20012001-05-142001-09-23
20022002-04-182002-10-03
20032003-04-152003-10-21
20042004-05-052004-10-22
20052005-05-112005-10-19
20062006-04-072006-11-09
20072007-05-132007-10-08
20092009-04-102009-09-28
20102010-04-012010-10-17
20112011-03-182011-10-07
20122012-04-022012-11-03
20132013-04-302013-10-12
20142014-04-032014-10-27
20152015-04-012015-10-16
20162016-04-062016-11-17
20172017-02-122017-10-15
20182018-04-132018-10-06
20192019-04-102019-10-03
20202020-04-082020-10-23
20212021-06-052021-10-24
20222022-04-132022-10-23
20232023-04-042023-10-24
20242024-02-282024-10-30
20252025-04-142025-10-18
20262026-03-102026-10-14

Every Fixed Threshold

Fixed thresholds at Billings
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days571421963119
35 C (95 F): Days5778201151
40 C (104 F): Days3831201120
45 C (113 F): Days2119861
90 F (32.2 C): Days57105196395
100 F (37.8 C): Days5552201133
110 F (43.3 C): Days8620111
0 C (32 F): Ice days (max573519788
0 C (32 F): Frost days (min57122199352
-10 C (14 F): Days with min5738197812
-20 C (-4 F): Days with min16419821
20 C (68 F): Tropical nights (min5789198289
25 C (77 F): Days with min4726201117
10 mm (0.39 in): Days with 10 mm or more rain8841199922
25 mm (0.98 in): Days with 25 mm or more rain882019998
50 mm (1.97 in): Days with 50 mm or more rain73719741
100 mm (3.94 in): Days with 100 mm or more rain15219691
200 mm (7.87 in): Days with 200 mm or more rain1119861
10 cm (3.9 in): Days with 10 cm or more snowfall26419881
25 cm (9.8 in): Days with 25 cm or more snowfall1119991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Billings 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).