Okay Threshold Days by Year (USC00035376)

18 fixed thresholds counted per year at Okay (USC00035376): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Okay Thresholds

Okay: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1973 with 59.
Okay: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1973 with 29.
Okay: days with 50 mm (1.97 in) or more of precipitation in 62 years, most in 1973 with 10.
Okay: days with a maximum temperature at or above 30 C (86 F) in 59 years, most in 1938 with 156.
18 fixed thresholds have at least one qualifying day at Okay.

Days at or above 30 C (86 F)

59 years with a qualifying day

Days per year at Okay with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 156 in 1938.

Days at or above 30 C (86 F) per year at Okay
Year	Days	Decade average
1931	134	141.1
1932	132	141.1
1933	143	141.1
1934	146	141.1
1935	124	141.1
1936	150	141.1
1937	136	141.1
1938	156	141.1
1939	149	141.1
1940	104	123.8
1941	140	123.8
1942	119	123.8
1943	146	123.8
1944	113	123.8
1945	114	123.8
1946	115	123.8
1947	118	123.8
1948	139	123.8
1949	130	123.8
1950	125	134.3
1951	122	134.3
1952	143	134.3
1953	144	134.3
1954	134	134.3
1955	143	134.3
1956	155	134.3
1957	119	134.3
1958	126	134.3
1959	132	134.3
1960	134	124.8
1961	111	124.8
1962	144	124.8
1963	156	124.8
1964	117	124.8
1965	125	124.8
1966	111	124.8
1967	103	124.8
1968	114	124.8
1969	133	124.8
1970	111	118
1971	113	118
1972	140	118
1973	120	118
1974	101	118
1975	123	118
1976	88	118
1977	140	118
1978	136	118
1979	108	118
1980	107	110
1981	117	110
1982	118	110
1983	113	110
1986	120	110
1987	114	110
1988	105	110
1989	86	110
1990	96	96
1991	96	96

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

First to last qualifying date each year at Okay
Year	First date	Last date
1931	1931-05-16	1931-10-25
1932	1932-03-20	1932-10-24
1933	1933-04-09	1933-10-06
1934	1934-04-03	1934-11-10
1935	1935-03-19	1935-11-10
1936	1936-04-05	1936-10-20
1937	1937-04-16	1937-11-01
1938	1938-03-04	1938-10-27
1939	1939-04-26	1939-10-28
1940	1940-04-01	1940-10-24
1941	1941-05-08	1941-10-24
1942	1942-05-11	1942-11-13
1943	1943-04-10	1943-10-21
1944	1944-04-15	1944-10-31
1945	1945-03-17	1945-11-01
1946	1946-03-30	1946-10-10
1947	1947-05-04	1947-10-30
1948	1948-04-07	1948-10-07
1949	1949-04-07	1949-10-19
1950	1950-04-24	1950-10-30
1951	1951-04-27	1951-10-22
1952	1952-04-30	1952-10-27
1953	1953-05-18	1953-10-22
1954	1954-03-11	1954-10-11
1955	1955-03-10	1955-11-13
1956	1956-04-28	1956-10-23
1957	1957-05-11	1957-10-04
1958	1958-04-04	1958-09-26
1959	1959-04-30	1959-10-11
1960	1960-04-06	1960-10-13
1961	1961-04-25	1961-10-14
1962	1962-04-19	1962-10-15
1963	1963-03-28	1963-11-06
1964	1964-04-23	1964-09-23
1965	1965-04-09	1965-11-26
1966	1966-03-31	1966-10-14
1967	1967-03-11	1967-10-06
1968	1968-05-14	1968-10-15
1969	1969-05-07	1969-10-20
1970	1970-05-19	1970-10-05
1971	1971-04-19	1971-10-07
1972	1972-04-07	1972-10-18
1973	1973-05-10	1973-10-11
1974	1974-03-31	1974-09-21
1975	1975-04-25	1975-10-15
1976	1976-05-22	1976-10-02
1977	1977-05-13	1977-10-30
1978	1978-04-06	1978-10-28
1979	1979-05-09	1979-10-22
1980	1980-05-06	1980-10-19
1981	1981-04-29	1981-10-06
1982	1982-03-17	1982-10-06
1983	1983-05-23	1983-10-05
1986	1986-02-26	1986-10-04
1987	1987-04-17	1987-09-25
1988	1988-05-14	1988-09-28
1989	1989-04-03	1989-10-15
1990	1990-04-29	1990-10-07
1991	1991-05-12	1991-10-12

Every Fixed Threshold

Fixed thresholds at Okay
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	59	156	1938	96
35 C (95 F): Days	59	96	1936	8
40 C (104 F): Days	19	16	1936	2
45 C (113 F): Days	1	2	1936	2
90 F (32.2 C): Days	59	129	1939	60
100 F (37.8 C): Days	43	48	1954	2
110 F (43.3 C): Days	1	2	1936	2
0 C (32 F): Ice days (max	27	9	1989	3
0 C (32 F): Frost days (min	59	73	1947	37
-10 C (14 F): Days with min	40	10	1963	1
-20 C (-4 F): Days with min	2	1	1951	1
20 C (68 F): Tropical nights (min	59	115	1977	113
25 C (77 F): Days with min	42	24	1978	9
10 mm (0.39 in): Days with 10 mm or more rain	62	59	1973	42
25 mm (0.98 in): Days with 25 mm or more rain	62	29	1973	23
50 mm (1.97 in): Days with 50 mm or more rain	62	10	1973	7
100 mm (3.94 in): Days with 100 mm or more rain	23	2	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	2	1933	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for Okay 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).

Okay Threshold Days by Year (USC00035376)

Key Facts for Okay Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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