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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Mt Morrison 1 SW Threshold Days by Year (USC00055805)

5 fixed thresholds counted per year at Mt Morrison 1 SW (USC00055805): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Morrison 1 SW Thresholds

  • Mt Morrison 1 SW: days with 10 mm (0.39 in) or more of precipitation in 7 years, most in 1923 with 27.
  • Mt Morrison 1 SW: days with 25 mm (0.98 in) or more of precipitation in 7 years, most in 1923 with 9.
  • Mt Morrison 1 SW: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1928 with 1.
  • Mt Morrison 1 SW: days with 10 cm (3.9 in) or more of snowfall in 1 years, most in 1924 with 6.
  • 5 fixed thresholds have at least one qualifying day at Mt Morrison 1 SW.
7 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mt Morrison 1 SW Days per year at Mt Morrison 1 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1923. 01020301923: 271924: 101925: 161926: 151928: 121949: 111950: 71923192419251926192819491950
Days per year at Mt Morrison 1 SW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1923.
Days with 10 mm (0.39 in) or more of precipitation per year at Mt Morrison 1 SW
YearDaysDecade average
19232716
19241016
19251616
19261516
19281216
19491111
195077
First to last qualifying date each year at Mt Morrison 1 SW For each year, a bar from the first to the last day at Mt Morrison 1 SW meeting 10 mm (0.39 in). 1923: 2 February 1923 to 9 December 19231924: 11 January 1924 to 3 December 19241925: 13 March 1925 to 21 December 19251926: 10 January 1926 to 23 December 19261928: 9 February 1928 to 1 December 19281949: 2 January 1949 to 19 October 19491950: 24 January 1950 to 11 September 19501923192419251926192819491950JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mt Morrison 1 SW meeting 10 mm (0.39 in).
First to last qualifying date each year at Mt Morrison 1 SW
YearFirst dateLast date
19231923-02-021923-12-09
19241924-01-111924-12-03
19251925-03-131925-12-21
19261926-01-101926-12-23
19281928-02-091928-12-01
19491949-01-021949-10-19
19501950-01-241950-09-11

Every Fixed Threshold

Fixed thresholds at Mt Morrison 1 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain72719237
25 mm (0.98 in): Days with 25 mm or more rain7919232
50 mm (1.97 in): Days with 50 mm or more rain2119281
10 cm (3.9 in): Days with 10 cm or more snowfall1619246
25 cm (9.8 in): Days with 25 cm or more snowfall1219242

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Mt Morrison 1 SW 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 (2025-12-31).