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Built 2026-10-19 (19 October 2026)

Ben Lomond #4 Threshold Days by Year (USC00040673)

14 fixed thresholds counted per year at Ben Lomond #4 (USC00040673): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ben Lomond #4 Thresholds

  • Ben Lomond #4: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 2015 with 141.
  • Ben Lomond #4: days with a maximum temperature at or above 35 C (95 F) in 53 years, most in 2020 with 58.
  • Ben Lomond #4: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 2022 with 106.
  • Ben Lomond #4: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1976 with 69.
  • 14 fixed thresholds have at least one qualifying day at Ben Lomond #4.
53 years with a qualifying day
Days at or above 30 C (86 F) per year at Ben Lomond #4 Days per year at Ben Lomond #4 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 2015. 0501001501973: 661974: 721975: 531976: 731977: 621978: 771979: 761980: 451981: 661982: 481983: 601984: 941985: 571986: 431987: 521988: 631989: 601990: 621991: 441992: 691993: 521994: 371995: 641996: 1001997: 1051998: 681999: 712000: 742001: 942002: 752003: 602004: 842005: 472006: 572007: 622008: 902009: 592010: 402011: 492012: 1242013: 1222014: 1312015: 1412016: 1152017: 1412018: 1262019: 1092020: 1312021: 1112022: 1342023: 1072025: 472026: 67197319791985199119972003200920152021
Days per year at Ben Lomond #4 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 141 in 2015.
Days at or above 30 C (86 F) per year at Ben Lomond #4
YearDaysDecade average
19736668.4
19747268.4
19755368.4
19767368.4
19776268.4
19787768.4
19797668.4
19804558.8
19816658.8
19824858.8
19836058.8
19849458.8
19855758.8
19864358.8
19875258.8
19886358.8
19896058.8
19906267.2
19914467.2
19926967.2
19935267.2
19943767.2
19956467.2
199610067.2
199710567.2
19986867.2
19997167.2
20007470.2
20019470.2
20027570.2
20036070.2
20048470.2
20054770.2
20065770.2
20076270.2
20089070.2
20095970.2
201040109.8
201149109.8
2012124109.8
2013122109.8
2014131109.8
2015141109.8
2016115109.8
2017141109.8
2018126109.8
2019109109.8
202013199.5
202111199.5
202213499.5
202310799.5
20254799.5
20266799.5
First to last qualifying date each year at Ben Lomond #4 For each year, a bar from the first to the last day at Ben Lomond #4 meeting 30 C (86 F). 1973: 10 May 1973 to 31 October 19731974: 29 April 1974 to 18 October 19741975: 12 May 1975 to 16 October 19751976: 1 February 1976 to 7 November 19761977: 14 February 1977 to 25 October 19771978: 2 May 1978 to 8 November 19781979: 11 May 1979 to 3 October 19791980: 17 May 1980 to 4 November 19801981: 22 April 1981 to 23 October 19811982: 23 May 1982 to 14 October 19821983: 17 May 1983 to 27 October 19831984: 14 April 1984 to 7 October 19841985: 1 April 1985 to 15 October 19851986: 26 February 1986 to 14 October 19861987: 15 April 1987 to 6 October 19871988: 25 March 1988 to 17 October 19881989: 5 April 1989 to 19 October 19891990: 12 April 1990 to 26 October 19901991: 30 June 1991 to 6 November 19911992: 19 April 1992 to 23 October 19921993: 29 April 1993 to 27 October 19931994: 29 May 1994 to 9 October 19941995: 31 May 1995 to 13 November 19951996: 17 March 1996 to 8 November 19961997: 10 March 1997 to 4 November 19971998: 21 April 1998 to 21 October 19981999: 14 April 1999 to 1 November 19992000: 31 March 2000 to 16 October 20002001: 30 March 2001 to 4 November 20012002: 13 April 2002 to 20 November 20022003: 30 March 2003 to 22 September 20032004: 8 March 2004 to 14 October 20042005: 9 March 2005 to 19 November 20052006: 8 February 2006 to 28 October 20062007: 12 March 2007 to 3 November 20072008: 12 April 2008 to 17 November 20082009: 18 April 2009 to 3 November 20092010: 30 May 2010 to 4 November 20102011: 31 March 2011 to 31 October 20112012: 19 April 2012 to 6 November 20122013: 12 March 2013 to 13 November 20132014: 14 January 2014 to 8 November 20142015: 14 February 2015 to 21 November 20152016: 8 February 2016 to 10 November 20162017: 10 March 2017 to 22 November 20172018: 2 February 2018 to 7 November 20182019: 18 April 2019 to 18 November 20192020: 3 March 2020 to 16 November 20202021: 17 January 2021 to 14 November 20212022: 8 February 2022 to 21 October 20222023: 10 April 2023 to 11 November 20232025: 25 March 2025 to 11 November 20252026: 5 February 2026 to 8 October 202619731980198719942001200820152022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ben Lomond #4 meeting 30 C (86 F).
First to last qualifying date each year at Ben Lomond #4
YearFirst dateLast date
19731973-05-101973-10-31
19741974-04-291974-10-18
19751975-05-121975-10-16
19761976-02-011976-11-07
19771977-02-141977-10-25
19781978-05-021978-11-08
19791979-05-111979-10-03
19801980-05-171980-11-04
19811981-04-221981-10-23
19821982-05-231982-10-14
19831983-05-171983-10-27
19841984-04-141984-10-07
19851985-04-011985-10-15
19861986-02-261986-10-14
19871987-04-151987-10-06
19881988-03-251988-10-17
19891989-04-051989-10-19
19901990-04-121990-10-26
19911991-06-301991-11-06
19921992-04-191992-10-23
19931993-04-291993-10-27
19941994-05-291994-10-09
19951995-05-311995-11-13
19961996-03-171996-11-08
19971997-03-101997-11-04
19981998-04-211998-10-21
19991999-04-141999-11-01
20002000-03-312000-10-16
20012001-03-302001-11-04
20022002-04-132002-11-20
20032003-03-302003-09-22
20042004-03-082004-10-14
20052005-03-092005-11-19
20062006-02-082006-10-28
20072007-03-122007-11-03
20082008-04-122008-11-17
20092009-04-182009-11-03
20102010-05-302010-11-04
20112011-03-312011-10-31
20122012-04-192012-11-06
20132013-03-122013-11-13
20142014-01-142014-11-08
20152015-02-142015-11-21
20162016-02-082016-11-10
20172017-03-102017-11-22
20182018-02-022018-11-07
20192019-04-182019-11-18
20202020-03-032020-11-16
20212021-01-172021-11-14
20222022-02-082022-10-21
20232023-04-102023-11-11
20252025-03-252025-11-11
20262026-02-052026-10-08

Every Fixed Threshold

Fixed thresholds at Ben Lomond #4
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days53141201567
35 C (95 F): Days5358202015
40 C (104 F): Days421720202
45 C (113 F): Days4320173
90 F (32.2 C): Days53106202230
100 F (37.8 C): Days502920205
110 F (43.3 C): Days12720205
120 F (48.9 C): Days1120201
0 C (32 F): Frost days (min526919763
10 mm (0.39 in): Days with 10 mm or more rain5263198318
25 mm (0.98 in): Days with 25 mm or more rain5236198314
50 mm (1.97 in): Days with 50 mm or more rain511619834
100 mm (3.94 in): Days with 100 mm or more rain32419821
200 mm (7.87 in): Days with 200 mm or more rain4119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Ben Lomond #4 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).