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Built 2026-10-19 (19 October 2026)

Ben Lomond Trail Threshold Days by Year (USS0011H30S)

11 fixed thresholds counted per year at Ben Lomond Trail (USS0011H30S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ben Lomond Trail Thresholds

  • Ben Lomond Trail: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1983 with 68.
  • Ben Lomond Trail: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1983 with 20.
  • Ben Lomond Trail: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1996 with 7.
  • Ben Lomond Trail: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 2021 with 29.
  • 11 fixed thresholds have at least one qualifying day at Ben Lomond Trail.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Ben Lomond Trail Days per year at Ben Lomond Trail with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 2021. 01020302005: 62006: 102007: 212008: 52009: 32010: 12011: 12012: 82013: 192014: 52015: 52016: 102017: 52018: 262019: 72020: 162021: 292022: 202023: 72024: 202025: 172026: 3020052008201120142017202020232026
Days per year at Ben Lomond Trail with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 2021.
Days at or above 30 C (86 F) per year at Ben Lomond Trail
YearDaysDecade average
200569
2006109
2007219
200859
200939
201018.7
201118.7
201288.7
2013198.7
201458.7
201558.7
2016108.7
201758.7
2018268.7
201978.7
20201619.9
20212919.9
20222019.9
2023719.9
20242019.9
20251719.9
20263019.9
First to last qualifying date each year at Ben Lomond Trail For each year, a bar from the first to the last day at Ben Lomond Trail meeting 30 C (86 F). 2005: 13 July 2005 to 21 July 20052006: 15 July 2006 to 29 July 20062007: 5 July 2007 to 16 August 20072008: 25 July 2008 to 24 August 20082009: 23 July 2009 to 22 August 20092010: 16 July 2010 to 16 July 20102011: 3 July 2011 to 3 July 20112012: 9 July 2012 to 8 August 20122013: 27 June 2013 to 19 August 20132014: 6 July 2014 to 27 July 20142015: 27 June 2015 to 25 August 20152016: 28 June 2016 to 2 August 20162017: 5 July 2017 to 5 September 20172018: 7 July 2018 to 18 August 20182019: 22 July 2019 to 2 September 20192020: 27 July 2020 to 5 September 20202021: 14 June 2021 to 9 September 20212022: 9 July 2022 to 7 September 20222023: 16 July 2023 to 30 July 20232024: 9 July 2024 to 9 August 20242025: 19 June 2025 to 23 August 20252026: 5 July 2026 to 27 August 202620052008201120142017202020232026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ben Lomond Trail meeting 30 C (86 F).
First to last qualifying date each year at Ben Lomond Trail
YearFirst dateLast date
20052005-07-132005-07-21
20062006-07-152006-07-29
20072007-07-052007-08-16
20082008-07-252008-08-24
20092009-07-232009-08-22
20102010-07-162010-07-16
20112011-07-032011-07-03
20122012-07-092012-08-08
20132013-06-272013-08-19
20142014-07-062014-07-27
20152015-06-272015-08-25
20162016-06-282016-08-02
20172017-07-052017-09-05
20182018-07-072018-08-18
20192019-07-222019-09-02
20202020-07-272020-09-05
20212021-06-142021-09-09
20222022-07-092022-09-07
20232023-07-162023-07-30
20242024-07-092024-08-09
20252025-06-192025-08-23
20262026-07-052026-08-27

Every Fixed Threshold

Fixed thresholds at Ben Lomond Trail
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2229202130
35 C (95 F): Days10n/a1
90 F (32.2 C): Days127202113
0 C (32 F): Ice days (max224220075
0 C (32 F): Frost days (min20187200883
-10 C (14 F): Days with min205020135
-20 C (-4 F): Days with min12420132
10 mm (0.39 in): Days with 10 mm or more rain4668198327
25 mm (0.98 in): Days with 25 mm or more rain4620198311
50 mm (1.97 in): Days with 50 mm or more rain33719963
100 mm (3.94 in): Days with 100 mm or more rain7219841

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2005.

Download the Data

  • Data for Ben Lomond Trail 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).