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

Alma Threshold Days by Year (CA008100200)

12 fixed thresholds counted per year at Alma (CA008100200): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alma Thresholds

  • Alma: days with 10 cm (3.9 in) or more of snowfall in 33 years, most in 1982 with 16.
  • Alma: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1979 with 67.
  • Alma: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1979 with 28.
  • Alma: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1979 with 7.
  • 12 fixed thresholds have at least one qualifying day at Alma.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Alma Days per year at Alma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1978. 011221976: 11978: 21979: 1197619781979
Days per year at Alma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1978.
Days at or above 30 C (86 F) per year at Alma
YearDaysDecade average
197611.3
197821.3
197911.3
First to last qualifying date each year at Alma For each year, a bar from the first to the last day at Alma meeting 30 C (86 F). 1976: 22 August 1976 to 22 August 19761978: 21 July 1978 to 16 August 19781979: 13 July 1979 to 13 July 1979197619781979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alma meeting 30 C (86 F).
First to last qualifying date each year at Alma
YearFirst dateLast date
19761976-08-221976-08-22
19781978-07-211978-08-16
19791979-07-131979-07-13

Every Fixed Threshold

Fixed thresholds at Alma
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3219781
0 C (32 F): Ice days (max3078197053
0 C (32 F): Frost days (min301851978140
-10 C (14 F): Days with min3074196350
-20 C (-4 F): Days with min292219756
-30 C (-22 F): Days with min2119621
10 mm (0.39 in): Days with 10 mm or more rain3267197960
25 mm (0.98 in): Days with 25 mm or more rain3228197914
50 mm (1.97 in): Days with 50 mm or more rain31719792
100 mm (3.94 in): Days with 100 mm or more rain5219621
10 cm (3.9 in): Days with 10 cm or more snowfall3316198210
25 cm (9.8 in): Days with 25 cm or more snowfall19319821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

  • Data for Alma 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).