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Built 2026-10-19 (19 October 2026)

Bigfork 13 S Threshold Days by Year (USC00240755)

15 fixed thresholds counted per year at Bigfork 13 S (USC00240755): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bigfork 13 S Thresholds

  • Bigfork 13 S: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1942 with 173.
  • Bigfork 13 S: nights with a minimum temperature at or below -10 C (14 F) in 68 years, most in 1949 with 51.
  • Bigfork 13 S: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1961 with 46.
  • Bigfork 13 S: days with a maximum temperature at or below 0 C (32 F) in 66 years, most in 1985 with 72.
  • 15 fixed thresholds have at least one qualifying day at Bigfork 13 S.
66 years with a qualifying day
Days at or above 30 C (86 F) per year at Bigfork 13 S Days per year at Bigfork 13 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1961. 02040601939: 351940: 441941: 291942: 241943: 231944: 251945: 411946: 251947: 211948: 101949: 261950: 201951: 221952: 231953: 271954: 111955: 281956: 231957: 171958: 351959: 271960: 271961: 461962: 211963: 211964: 61965: 141966: 181967: 331968: 191969: 301970: 321982: 11983: 21985: 141986: 71987: 61988: 181989: 21990: 101991: 61993: 11994: 251995: 11996: 111999: 122004: 112005: 182006: 202007: 302008: 102009: 202010: 82011: 132012: 142014: 112016: 132017: 242019: 122020: 302021: 432022: 412023: 242024: 202025: 222026: 141939194619531960196719861994200720162024
Days per year at Bigfork 13 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 1961.
Days at or above 30 C (86 F) per year at Bigfork 13 S
YearDaysDecade average
19393535
19404426.8
19412926.8
19422426.8
19432326.8
19442526.8
19454126.8
19462526.8
19472126.8
19481026.8
19492626.8
19502023.3
19512223.3
19522323.3
19532723.3
19541123.3
19552823.3
19562323.3
19571723.3
19583523.3
19592723.3
19602723.5
19614623.5
19622123.5
19632123.5
1964623.5
19651423.5
19661823.5
19673323.5
19681923.5
19693023.5
19703232
198217.1
198327.1
1985147.1
198677.1
198767.1
1988187.1
198927.1
1990109.4
199169.4
199319.4
1994259.4
199519.4
1996119.4
1999129.4
20041118.2
20051818.2
20062018.2
20073018.2
20081018.2
20092018.2
2010813.6
20111313.6
20121413.6
20141113.6
20161313.6
20172413.6
20191213.6
20203027.7
20214327.7
20224127.7
20232427.7
20242027.7
20252227.7
20261427.7
First to last qualifying date each year at Bigfork 13 S For each year, a bar from the first to the last day at Bigfork 13 S meeting 30 C (86 F). 1939: 29 June 1939 to 27 August 19391940: 10 May 1940 to 1 September 19401941: 24 May 1941 to 21 August 19411942: 1 July 1942 to 23 August 19421943: 6 July 1943 to 13 September 19431944: 1 July 1944 to 12 September 19441945: 20 June 1945 to 3 September 19451946: 20 June 1946 to 22 August 19461947: 2 July 1947 to 19 August 19471948: 7 June 1948 to 14 September 19481949: 6 June 1949 to 1 September 19491950: 20 June 1950 to 4 September 19501951: 13 July 1951 to 21 August 19511952: 4 July 1952 to 26 September 19521953: 7 July 1953 to 12 September 19531954: 22 June 1954 to 9 August 19541955: 21 June 1955 to 6 September 19551956: 9 June 1956 to 23 August 19561957: 4 June 1957 to 27 September 19571958: 26 May 1958 to 11 September 19581959: 13 June 1959 to 10 August 19591960: 6 July 1960 to 19 August 19601961: 15 June 1961 to 24 August 19611962: 24 June 1962 to 25 August 19621963: 14 June 1963 to 12 September 19631964: 8 July 1964 to 27 July 19641965: 11 June 1965 to 19 August 19651966: 26 May 1966 to 4 August 19661967: 2 July 1967 to 21 September 19671968: 26 June 1968 to 8 August 19681969: 4 June 1969 to 10 September 19691970: 2 June 1970 to 26 August 19701982: 1 August 1982 to 1 August 19821983: 2 August 1983 to 5 August 19831985: 2 July 1985 to 29 July 19851986: 4 August 1986 to 19 August 19861987: 27 June 1987 to 28 July 19871988: 22 June 1988 to 30 August 19881989: 7 July 1989 to 30 July 19891990: 29 June 1990 to 8 August 19901991: 25 July 1991 to 26 August 19911993: 10 August 1993 to 10 August 19931994: 23 June 1994 to 22 August 19941995: 5 August 1995 to 5 August 19951996: 4 July 1996 to 12 August 19961999: 16 June 1999 to 22 August 19992004: 14 July 2004 to 17 August 20042005: 8 July 2005 to 28 August 20052006: 26 June 2006 to 29 August 20062007: 4 July 2007 to 3 September 20072008: 30 June 2008 to 19 August 20082009: 4 July 2009 to 3 September 20092010: 29 June 2010 to 27 August 20102011: 18 July 2011 to 28 August 20112012: 10 July 2012 to 29 August 20122014: 9 July 2014 to 8 August 20142016: 29 June 2016 to 22 August 20162017: 3 July 2017 to 4 September 20172019: 26 July 2019 to 19 August 20192020: 24 June 2020 to 7 September 20202021: 3 June 2021 to 17 August 20212022: 29 June 2022 to 5 September 20222023: 30 June 2023 to 18 August 20232024: 8 July 2024 to 20 August 20242025: 29 May 2025 to 4 September 20252026: 11 July 2026 to 31 July 202619391948195719661987199920122024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bigfork 13 S meeting 30 C (86 F).
First to last qualifying date each year at Bigfork 13 S
YearFirst dateLast date
19391939-06-291939-08-27
19401940-05-101940-09-01
19411941-05-241941-08-21
19421942-07-011942-08-23
19431943-07-061943-09-13
19441944-07-011944-09-12
19451945-06-201945-09-03
19461946-06-201946-08-22
19471947-07-021947-08-19
19481948-06-071948-09-14
19491949-06-061949-09-01
19501950-06-201950-09-04
19511951-07-131951-08-21
19521952-07-041952-09-26
19531953-07-071953-09-12
19541954-06-221954-08-09
19551955-06-211955-09-06
19561956-06-091956-08-23
19571957-06-041957-09-27
19581958-05-261958-09-11
19591959-06-131959-08-10
19601960-07-061960-08-19
19611961-06-151961-08-24
19621962-06-241962-08-25
19631963-06-141963-09-12
19641964-07-081964-07-27
19651965-06-111965-08-19
19661966-05-261966-08-04
19671967-07-021967-09-21
19681968-06-261968-08-08
19691969-06-041969-09-10
19701970-06-021970-08-26
19821982-08-011982-08-01
19831983-08-021983-08-05
19851985-07-021985-07-29
19861986-08-041986-08-19
19871987-06-271987-07-28
19881988-06-221988-08-30
19891989-07-071989-07-30
19901990-06-291990-08-08
19911991-07-251991-08-26
19931993-08-101993-08-10
19941994-06-231994-08-22
19951995-08-051995-08-05
19961996-07-041996-08-12
19991999-06-161999-08-22
20042004-07-142004-08-17
20052005-07-082005-08-28
20062006-06-262006-08-29
20072007-07-042007-09-03
20082008-06-302008-08-19
20092009-07-042009-09-03
20102010-06-292010-08-27
20112011-07-182011-08-28
20122012-07-102012-08-29
20142014-07-092014-08-08
20162016-06-292016-08-22
20172017-07-032017-09-04
20192019-07-262019-08-19
20202020-06-242020-09-07
20212021-06-032021-08-17
20222022-06-292022-09-05
20232023-06-302023-08-18
20242024-07-082024-08-20
20252025-05-292025-09-04
20262026-07-112026-07-31

Every Fixed Threshold

Fixed thresholds at Bigfork 13 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6646196114
35 C (95 F): Days27719616
90 F (32.2 C): Days572620214
100 F (37.8 C): Days4319611
0 C (32 F): Ice days (max6672198513
0 C (32 F): Frost days (min68173194268
-10 C (14 F): Days with min685119493
-20 C (-4 F): Days with min381519504
20 C (68 F): Tropical nights (min13320212
10 mm (0.39 in): Days with 10 mm or more rain642520064
25 mm (0.98 in): Days with 25 mm or more rain51619641
50 mm (1.97 in): Days with 50 mm or more rain11219851
100 mm (3.94 in): Days with 100 mm or more rain1119441
10 cm (3.9 in): Days with 10 cm or more snowfall361219964
25 cm (9.8 in): Days with 25 cm or more snowfall2119901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Bigfork 13 S 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).