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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Trinity Mtn. Threshold Days by Year (USS0015F05S)

11 fixed thresholds counted per year at Trinity Mtn. (USS0015F05S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trinity Mtn. Thresholds

  • Trinity Mtn.: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1983 with 69.
  • Trinity Mtn.: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1996 with 30.
  • Trinity Mtn.: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1998 with 105.
  • Trinity Mtn.: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1996 with 7.
  • 11 fixed thresholds have at least one qualifying day at Trinity Mtn..
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Trinity Mtn. Days per year at Trinity Mtn. with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2015. 011222002: 12014: 12015: 22017: 22018: 22022: 12024: 22002201420152017201820222024
Days per year at Trinity Mtn. with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2015.
Days at or above 30 C (86 F) per year at Trinity Mtn.
YearDaysDecade average
200211
201411.8
201521.8
201721.8
201821.8
202211.5
202421.5
First to last qualifying date each year at Trinity Mtn. For each year, a bar from the first to the last day at Trinity Mtn. meeting 30 C (86 F). 2002: 12 July 2002 to 12 July 20022014: 14 July 2014 to 14 July 20142015: 28 June 2015 to 2 August 20152017: 8 July 2017 to 3 September 20172018: 9 August 2018 to 10 August 20182022: 7 September 2022 to 7 September 20222024: 10 July 2024 to 3 August 20242002201420152017201820222024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Trinity Mtn. meeting 30 C (86 F).
First to last qualifying date each year at Trinity Mtn.
YearFirst dateLast date
20022002-07-122002-07-12
20142014-07-142014-07-14
20152015-06-282015-08-02
20172017-07-082017-09-03
20182018-08-092018-08-10
20222022-09-072022-09-07
20242024-07-102024-08-03

Every Fixed Threshold

Fixed thresholds at Trinity Mtn.
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7220152
90 F (32.2 C): Days1120151
0 C (32 F): Ice days (max38105199837
0 C (32 F): Frost days (min332791995152
-10 C (14 F): Days with min33129202246
-20 C (-4 F): Days with min332819971
-30 C (-22 F): Days with min3219971
10 mm (0.39 in): Days with 10 mm or more rain4669198320
25 mm (0.98 in): Days with 25 mm or more rain463019963
50 mm (1.97 in): Days with 50 mm or more rain38719961
100 mm (3.94 in): Days with 100 mm or more rain2119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2002.

Download the Data

  • Data for Trinity Mtn. 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).