Adiake Threshold Days by Year (IV000005585)

11 fixed thresholds counted per year at Adiake (IV000005585): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Adiake Thresholds

Adiake: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1963 with 244.
Adiake: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1973 with 128.
Adiake: nights with a minimum temperature at or above 20 C (68 F) in 35 years, most in 1979 with 365.
Adiake: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1954 with 81.
11 fixed thresholds have at least one qualifying day at Adiake.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Adiake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 244 in 1963.

Days at or above 30 C (86 F) per year at Adiake
Year	Days	Decade average
1945	224	210.8
1946	197	210.8
1947	213	210.8
1948	209	210.8
1949	211	210.8
1950	161	190.2
1951	188	190.2
1952	194	190.2
1953	191	190.2
1954	184	190.2
1955	187	190.2
1956	186	190.2
1957	194	190.2
1958	189	190.2
1959	228	190.2
1960	228	208.8
1961	223	208.8
1962	213	208.8
1963	244	208.8
1964	180	208.8
1965	180	208.8
1967	196	208.8
1968	215	208.8
1969	200	208.8
1970	233	216.6
1971	225	216.6
1972	225	216.6
1973	240	216.6
1974	233	216.6
1975	221	216.6
1976	180	216.6
1977	211	216.6
1978	194	216.6
1979	204	216.6
1980	214	214

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

First to last qualifying date each year at Adiake
Year	First date	Last date
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-03	1947-12-30
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-30
1950	1950-01-01	1950-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-29
1953	1953-01-03	1953-12-28
1954	1954-01-04	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-30
1957	1957-01-01	1957-12-31
1958	1958-01-03	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-05	1965-12-31
1967	1967-01-01	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-27
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-30
1980	1980-01-01	1980-12-31

Every Fixed Threshold

Fixed thresholds at Adiake
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	244	1963	214
35 C (95 F): Days	6	3	1962	3
90 F (32.2 C): Days	35	128	1973	60
100 F (37.8 C): Days	1	1	1946	1
20 C (68 F): Tropical nights (min	35	365	1979	353
25 C (77 F): Days with min	28	15	1977	9
10 mm (0.39 in): Days with 10 mm or more rain	35	81	1954	51
25 mm (0.98 in): Days with 25 mm or more rain	35	37	1973	17
50 mm (1.97 in): Days with 50 mm or more rain	35	14	1960	6
100 mm (3.94 in): Days with 100 mm or more rain	28	5	1951	1
200 mm (7.87 in): Days with 200 mm or more rain	4	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Adiake 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).

Adiake Threshold Days by Year (IV000005585)

Key Facts for Adiake Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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