Kasilof 3 NW Threshold Days by Year (USC00504425)

12 fixed thresholds counted per year at Kasilof 3 NW (USC00504425): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kasilof 3 NW Thresholds

Kasilof 3 NW: days with 10 cm (3.9 in) or more of snowfall in 50 years, most in 1946 with 8.
Kasilof 3 NW: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1933 with 241.
Kasilof 3 NW: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1933 with 124.
Kasilof 3 NW: nights with a minimum temperature at or below -20 C (-4 F) in 47 years, most in 1933 with 73.
12 fixed thresholds have at least one qualifying day at Kasilof 3 NW.

Nights at or below 0 C (32 F)

47 years with a qualifying day

Days per year at Kasilof 3 NW with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 241 in 1933.

Nights at or below 0 C (32 F) per year at Kasilof 3 NW
Year	Days	Decade average
1930	229	225.4
1931	221	225.4
1932	219	225.4
1933	241	225.4
1934	217	225.4
1941	192	199.7
1942	164	199.7
1943	203	199.7
1944	203	199.7
1945	218	199.7
1946	211	199.7
1947	207	199.7
1951	201	210.1
1952	210	210.1
1953	208	210.1
1954	197	210.1
1955	223	210.1
1956	224	210.1
1957	200	210.1
1958	209	210.1
1959	219	210.1
1960	211	222.4
1961	215	222.4
1962	216	222.4
1963	217	222.4
1964	221	222.4
1967	236	222.4
1968	233	222.4
1969	230	222.4
1970	231	227.2
1971	216	227.2
1974	226	227.2
1975	234	227.2
1976	236	227.2
1978	220	227.2
1980	224	228.1
1981	220	228.1
1982	239	228.1
1984	240	228.1
1985	238	228.1
1986	233	228.1
1987	205	228.1
1988	226	228.1
1992	223	201.5
1993	185	201.5
1994	209	201.5
1995	189	201.5

For each year, a bar from the first to the last day at Kasilof 3 NW meeting 0 C (32 F).

First to last qualifying date each year at Kasilof 3 NW
Year	First date	Last date
1930	1930-01-01	1930-12-31
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-31
1933	1933-01-01	1933-12-31
1934	1934-01-02	1934-12-31
1941	1941-01-01	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1951	1951-01-01	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-31
1960	1960-01-01	1960-12-31
1961	1961-01-02	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
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
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1978	1978-01-01	1978-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-31
1982	1982-01-01	1982-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31

Every Fixed Threshold

Fixed thresholds at Kasilof 3 NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	1	1953	1
0 C (32 F): Ice days (max	45	125	1956	95
0 C (32 F): Frost days (min	47	241	1933	189
-10 C (14 F): Days with min	47	124	1933	77
-20 C (-4 F): Days with min	47	73	1933	31
-30 C (-22 F): Days with min	37	25	1933	4
-40 C (-40 F): Days with min	3	4	1947	3
10 mm (0.39 in): Days with 10 mm or more rain	45	22	1980	10
25 mm (0.98 in): Days with 25 mm or more rain	25	4	1932	2
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1942	1
10 cm (3.9 in): Days with 10 cm or more snowfall	50	8	1946	6
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

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Data for Kasilof 3 NW 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).

Kasilof 3 NW Threshold Days by Year (USC00504425)

Key Facts for Kasilof 3 NW Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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