Cleveland 1 Threshold Days by Year (USC00341891)

19 fixed thresholds counted per year at Cleveland 1 (USC00341891): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cleveland 1 Thresholds

Cleveland 1: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1939 with 149.
Cleveland 1: days with a maximum temperature at or above 35 C (95 F) in 37 years, most in 1936 with 89.
Cleveland 1: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1939 with 119.
Cleveland 1: days with a maximum temperature at or above 100 F (37.8 C) in 37 years, most in 1934 with 67.
19 fixed thresholds have at least one qualifying day at Cleveland 1.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Cleveland 1 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 149 in 1939.

Days at or above 30 C (86 F) per year at Cleveland 1
Year	Days	Decade average
1914	124	111.5
1915	95	111.5
1916	135	111.5
1917	99	111.5
1918	116	111.5
1919	100	111.5
1920	95	111.4
1921	125	111.4
1922	121	111.4
1923	100	111.4
1924	121	111.4
1925	128	111.4
1926	119	111.4
1927	114	111.4
1929	80	111.4
1930	111	121.8
1931	133	121.8
1932	133	121.8
1933	120	121.8
1934	118	121.8
1935	96	121.8
1936	129	121.8
1937	105	121.8
1938	124	121.8
1939	149	121.8
1940	112	112.6
1941	105	112.6
1942	99	112.6
1943	118	112.6
1944	115	112.6
1945	104	112.6
1946	113	112.6
1947	125	112.6
1948	123	112.6
1949	112	112.6
1950	94	98
1951	102	98

For each year, a bar from the first to the last day at Cleveland 1 meeting 30 C (86 F).

First to last qualifying date each year at Cleveland 1
Year	First date	Last date
1914	1914-03-14	1914-11-04
1915	1915-04-27	1915-11-06
1916	1916-03-12	1916-11-02
1917	1917-04-23	1917-10-17
1918	1918-03-12	1918-10-08
1919	1919-04-23	1919-10-03
1920	1920-04-17	1920-10-12
1921	1921-03-18	1921-10-24
1922	1922-04-21	1922-10-28
1923	1923-04-23	1923-09-28
1924	1924-04-08	1924-11-06
1925	1925-03-08	1925-10-03
1926	1926-04-23	1926-09-24
1927	1927-04-03	1927-11-26
1929	1929-03-22	1929-10-17
1930	1930-04-09	1930-10-11
1931	1931-05-15	1931-11-03
1932	1932-02-09	1932-10-24
1933	1933-04-09	1933-10-05
1934	1934-04-10	1934-10-20
1935	1935-05-12	1935-10-16
1936	1936-04-12	1936-10-19
1937	1937-04-14	1937-09-21
1938	1938-04-18	1938-10-31
1939	1939-04-09	1939-10-27
1940	1940-03-31	1940-10-25
1941	1941-05-08	1941-10-13
1942	1942-04-04	1942-09-19
1943	1943-04-04	1943-09-25
1944	1944-04-21	1944-10-25
1945	1945-05-13	1945-11-06
1946	1946-03-31	1946-10-17
1947	1947-04-30	1947-10-23
1948	1948-04-06	1948-10-15
1949	1949-04-07	1949-10-07
1950	1950-04-03	1950-10-31
1951	1951-03-22	1951-10-04

Every Fixed Threshold

Fixed thresholds at Cleveland 1
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	149	1939	102
35 C (95 F): Days	37	89	1936	47
40 C (104 F): Days	30	39	1934	9
45 C (113 F): Days	2	4	1936	1
90 F (32.2 C): Days	37	119	1939	86
100 F (37.8 C): Days	37	67	1934	18
110 F (43.3 C): Days	9	8	1936	1
0 C (32 F): Ice days (max	37	21	1918	7
0 C (32 F): Frost days (min	34	98	1937	97
-10 C (14 F): Days with min	33	24	1936	13
-20 C (-4 F): Days with min	11	7	1930	1
-30 C (-22 F): Days with min	1	2	1930	2
20 C (68 F): Tropical nights (min	34	91	1921	49
25 C (77 F): Days with min	30	33	1936	3
10 mm (0.39 in): Days with 10 mm or more rain	37	44	1941	37
25 mm (0.98 in): Days with 25 mm or more rain	37	20	1941	10
50 mm (1.97 in): Days with 50 mm or more rain	34	7	1943	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1926	1
10 cm (3.9 in): Days with 10 cm or more snowfall	6	2	1948	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for Cleveland 1 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).

Cleveland 1 Threshold Days by Year (USC00341891)

Key Facts for Cleveland 1 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related