Alma Threshold Days by Year (USC00290275)

14 fixed thresholds counted per year at Alma (USC00290275): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alma Thresholds

Alma: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1922 with 137.
Alma: days with a maximum temperature at or above 90 F (32.2 C) in 22 years, most in 1918 with 96.
Alma: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1913 with 183.
Alma: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 1912 with 42.
14 fixed thresholds have at least one qualifying day at Alma.

Days at or above 30 C (86 F)

22 years with a qualifying day

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 137 in 1922.

Days at or above 30 C (86 F) per year at Alma
Year	Days	Decade average
1895	105	94.6
1896	101	94.6
1897	86	94.6
1898	78	94.6
1899	103	94.6
1900	99	93.5
1901	88	93.5
1911	117	102.8
1912	96	102.8
1913	100	102.8
1914	102	102.8
1915	88	102.8
1916	92	102.8
1917	110	102.8
1918	124	102.8
1919	96	102.8
1920	79	97.7
1921	84	97.7
1922	137	97.7
1923	105	97.7
1924	102	97.7
1925	79	97.7

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
Year	First date	Last date
1895	1895-04-12	1895-09-18
1896	1896-05-21	1896-09-17
1897	1897-04-18	1897-09-04
1898	1898-04-23	1898-09-27
1899	1899-05-11	1899-09-30
1900	1900-05-07	1900-09-16
1901	1901-05-17	1901-10-03
1911	1911-05-03	1911-09-27
1912	1912-05-17	1912-09-22
1913	1913-05-09	1913-09-21
1914	1914-04-14	1914-10-01
1915	1915-05-11	1915-10-27
1916	1916-03-10	1916-09-24
1917	1917-04-24	1917-10-11
1918	1918-05-07	1918-10-07
1919	1919-04-18	1919-09-18
1920	1920-05-07	1920-10-05
1921	1921-05-11	1921-10-19
1922	1922-05-04	1922-10-10
1923	1923-05-02	1923-09-13
1924	1924-06-02	1924-10-01
1925	1925-04-13	1925-10-04

Every Fixed Threshold

Fixed thresholds at Alma
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	137	1922	79
35 C (95 F): Days	21	51	1922	4
40 C (104 F): Days	2	2	1913	2
90 F (32.2 C): Days	22	96	1918	36
100 F (37.8 C): Days	13	13	1922	4
0 C (32 F): Ice days (max	5	6	1898	1
0 C (32 F): Frost days (min	22	183	1913	161
-10 C (14 F): Days with min	22	42	1912	37
-20 C (-4 F): Days with min	4	4	1918	4
20 C (68 F): Tropical nights (min	6	2	1922	1
10 mm (0.39 in): Days with 10 mm or more rain	22	21	1914	16
25 mm (0.98 in): Days with 25 mm or more rain	18	5	1914	4
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1912	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	2	1912	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Alma Threshold Days by Year (USC00290275)

Key Facts for Alma Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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