Howe Threshold Days by Year

19 fixed thresholds counted per year at Howe (USC00124113): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Howe Thresholds

Howe: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1917 with 182.
Howe: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1917 with 63.
Howe: nights with a minimum temperature at or above 20 C (68 F) in 40 years, most in 1931 with 36.
Howe: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1921 with 81.
19 fixed thresholds have at least one qualifying day at Howe.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Howe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 1921.

Days at or above 30 C (86 F) per year at Howe
Year	Days	Decade average
1906	46	37.8
1907	7	37.8
1908	58	37.8
1909	40	37.8
1911	48	47
1912	43	47
1914	64	47
1915	24	47
1916	58	47
1917	27	47
1918	41	47
1919	71	47
1920	40	46.9
1921	81	46.9
1923	56	46.9
1925	53	46.9
1926	32	46.9
1927	33	46.9
1928	35	46.9
1929	45	46.9
1930	53	56.2
1931	64	56.2
1932	37	56.2
1933	73	56.2
1934	74	56.2
1935	45	56.2
1936	72	56.2
1937	48	56.2
1938	40	56.2
1939	56	56.2
1943	36	46.2
1944	59	46.2
1945	40	46.2
1946	56	46.2
1947	44	46.2
1949	42	46.2
1950	22	30
1951	21	30
1952	47	30

For each year, a bar from the first to the last day at Howe meeting 30 C (86 F).

First to last qualifying date each year at Howe
Year	First date	Last date
1906	1906-05-17	1906-09-21
1907	1907-06-17	1907-09-15
1908	1908-05-25	1908-10-17
1909	1909-06-23	1909-09-14
1911	1911-05-10	1911-09-02
1912	1912-06-15	1912-10-06
1914	1914-04-27	1914-09-22
1915	1915-04-24	1915-09-14
1916	1916-05-25	1916-10-08
1917	1917-05-17	1917-08-20
1918	1918-05-17	1918-08-27
1919	1919-05-27	1919-10-03
1920	1920-06-08	1920-09-25
1921	1921-05-18	1921-09-29
1923	1923-05-31	1923-09-04
1925	1925-04-23	1925-09-19
1926	1926-05-06	1926-09-19
1927	1927-05-21	1927-09-17
1928	1928-05-03	1928-10-11
1929	1929-05-27	1929-09-28
1930	1930-04-11	1930-10-12
1931	1931-05-18	1931-09-23
1932	1932-05-07	1932-09-19
1933	1933-05-24	1933-09-25
1934	1934-05-05	1934-09-26
1935	1935-06-13	1935-09-25
1936	1936-05-07	1936-09-22
1937	1937-05-21	1937-10-01
1938	1938-05-03	1938-09-26
1939	1939-05-19	1939-10-09
1943	1943-06-12	1943-09-05
1944	1944-05-26	1944-09-19
1945	1945-06-14	1945-09-23
1946	1946-06-08	1946-10-06
1947	1947-06-10	1947-10-15
1949	1949-05-04	1949-08-27
1950	1950-05-25	1950-08-28
1951	1951-05-01	1951-10-04
1952	1952-05-04	1952-09-14

Every Fixed Threshold

Fixed thresholds at Howe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	81	1921	47
35 C (95 F): Days	33	27	1936	2
40 C (104 F): Days	3	6	1936	6
90 F (32.2 C): Days	39	52	1921	23
100 F (37.8 C): Days	16	13	1934	2
110 F (43.3 C): Days	2	2	1936	2
0 C (32 F): Ice days (max	39	59	1950	28
0 C (32 F): Frost days (min	40	182	1917	146
-10 C (14 F): Days with min	40	63	1917	13
-20 C (-4 F): Days with min	30	28	1918	6
-30 C (-22 F): Days with min	2	3	1917	1
20 C (68 F): Tropical nights (min	40	36	1931	14
25 C (77 F): Days with min	9	2	1930	1
10 mm (0.39 in): Days with 10 mm or more rain	38	43	1907	30
25 mm (0.98 in): Days with 25 mm or more rain	38	16	1909	5
50 mm (1.97 in): Days with 50 mm or more rain	23	4	1909	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	10	5	1951	5
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1929	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

Data for Howe 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Howe Threshold Days by Year

Key Facts for Howe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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