Built 2026-10-17 (17 October 2026)

McCammon Threshold Days by Year

15 fixed thresholds counted per year at McCammon (USC00105716): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for McCammon Thresholds

  • McCammon: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1951 with 200.
  • McCammon: nights with a minimum temperature at or below -10 C (14 F) in 43 years, most in 1952 with 74.
  • McCammon: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1958 with 76.
  • McCammon: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1952 with 65.
  • 15 fixed thresholds have at least one qualifying day at McCammon.
41 years with a qualifying day
Days at or above 30 C (86 F) per year at McCammon Days per year at McCammon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1958. 0204060801950: 481951: 431952: 691953: 661954: 611955: 521956: 701957: 651958: 761959: 641960: 641961: 621962: 491963: 581988: 661989: 421990: 611991: 411993: 21994: 631995: 411996: 461998: 571999: 352003: 642004: 392005: 502006: 582007: 692008: 652009: 452010: 452015: 372016: 482017: 542018: 442019: 422020: 522021: 582022: 592023: 32195019551960198919952004200920182023
Days per year at McCammon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 1958.
Days at or above 30 C (86 F) per year at McCammon
YearDaysDecade average
19504861.4
19514361.4
19526961.4
19536661.4
19546161.4
19555261.4
19567061.4
19576561.4
19587661.4
19596461.4
19606458.3
19616258.3
19624958.3
19635858.3
19886654
19894254
19906143.3
19914143.3
1993243.3
19946343.3
19954143.3
19964643.3
19985743.3
19993543.3
20036455.7
20043955.7
20055055.7
20065855.7
20076955.7
20086555.7
20094555.7
20104545
20153745
20164845
20175445
20184445
20194245
20205250.3
20215850.3
20225950.3
20233250.3
First to last qualifying date each year at McCammon For each year, a bar from the first to the last day at McCammon meeting 30 C (86 F). 1950: 5 June 1950 to 8 September 19501951: 27 May 1951 to 17 September 19511952: 5 June 1952 to 29 September 19521953: 18 June 1953 to 14 September 19531954: 15 May 1954 to 11 September 19541955: 20 June 1955 to 14 September 19551956: 8 June 1956 to 26 September 19561957: 4 June 1957 to 30 September 19571958: 6 May 1958 to 22 September 19581959: 13 May 1959 to 12 September 19591960: 11 May 1960 to 27 September 19601961: 8 June 1961 to 29 August 19611962: 23 June 1962 to 19 September 19621963: 27 June 1963 to 2 October 19631988: 4 June 1988 to 9 September 19881989: 7 June 1989 to 5 September 19891990: 9 June 1990 to 16 September 19901991: 3 July 1991 to 5 September 19911993: 28 July 1993 to 29 July 19931994: 11 June 1994 to 9 September 19941995: 25 June 1995 to 17 September 19951996: 9 June 1996 to 9 September 19961998: 30 June 1998 to 16 September 19981999: 19 June 1999 to 30 August 19992003: 25 May 2003 to 5 September 20032004: 4 June 2004 to 12 September 20042005: 21 June 2005 to 9 September 20052006: 17 May 2006 to 13 September 20062007: 3 June 2007 to 13 September 20072008: 18 May 2008 to 31 August 20082009: 18 May 2009 to 5 September 20092010: 28 June 2010 to 3 October 20102015: 17 June 2015 to 13 September 20152016: 20 June 2016 to 1 September 20162017: 4 June 2017 to 7 September 20172018: 13 June 2018 to 5 September 20182019: 10 July 2019 to 6 September 20192020: 28 May 2020 to 7 September 20202021: 3 June 2021 to 10 September 20212022: 17 June 2022 to 8 September 20222023: 1 July 2023 to 30 August 20231950195619621993200320092019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at McCammon meeting 30 C (86 F).
First to last qualifying date each year at McCammon
YearFirst dateLast date
19501950-06-051950-09-08
19511951-05-271951-09-17
19521952-06-051952-09-29
19531953-06-181953-09-14
19541954-05-151954-09-11
19551955-06-201955-09-14
19561956-06-081956-09-26
19571957-06-041957-09-30
19581958-05-061958-09-22
19591959-05-131959-09-12
19601960-05-111960-09-27
19611961-06-081961-08-29
19621962-06-231962-09-19
19631963-06-271963-10-02
19881988-06-041988-09-09
19891989-06-071989-09-05
19901990-06-091990-09-16
19911991-07-031991-09-05
19931993-07-281993-07-29
19941994-06-111994-09-09
19951995-06-251995-09-17
19961996-06-091996-09-09
19981998-06-301998-09-16
19991999-06-191999-08-30
20032003-05-252003-09-05
20042004-06-042004-09-12
20052005-06-212005-09-09
20062006-05-172006-09-13
20072007-06-032007-09-13
20082008-05-182008-08-31
20092009-05-182009-09-05
20102010-06-282010-10-03
20152015-06-172015-09-13
20162016-06-202016-09-01
20172017-06-042017-09-07
20182018-06-132018-09-05
20192019-07-102019-09-06
20202020-05-282020-09-07
20212021-06-032021-09-10
20222022-06-172022-09-08
20232023-07-012023-08-30

Every Fixed Threshold

Fixed thresholds at McCammon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4176195832
35 C (95 F): Days342220032
90 F (32.2 C): Days4050195913
100 F (37.8 C): Days10519601
0 C (32 F): Ice days (max4165195257
0 C (32 F): Frost days (min432001951160
-10 C (14 F): Days with min4374195255
-20 C (-4 F): Days with min352119556
-30 C (-22 F): Days with min7419902
20 C (68 F): Tropical nights (min5219881
10 mm (0.39 in): Days with 10 mm or more rain3723199613
25 mm (0.98 in): Days with 25 mm or more rain23419961
50 mm (1.97 in): Days with 50 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall36819964
25 cm (9.8 in): Days with 25 cm or more snowfall6219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for McCammon 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).