Metaline Falls Threshold Days by Year (USC00455317)

16 fixed thresholds counted per year at Metaline Falls (USC00455317): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Metaline Falls Thresholds

Metaline Falls: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1914 with 32.
Metaline Falls: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1961 with 67.
Metaline Falls: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1961 with 49.
Metaline Falls: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1929 with 72.
16 fixed thresholds have at least one qualifying day at Metaline Falls.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Metaline Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1961.

Days at or above 30 C (86 F) per year at Metaline Falls
Year	Days	Decade average
1927	17	24.3
1928	27	24.3
1929	29	24.3
1930	32	30.6
1931	38	30.6
1932	20	30.6
1933	29	30.6
1934	25	30.6
1935	20	30.6
1936	36	30.6
1937	23	30.6
1938	42	30.6
1939	41	30.6
1940	49	33.4
1941	23	33.4
1942	38	33.4
1943	39	33.4
1944	38	33.4
1945	46	33.4
1946	30	33.4
1947	26	33.4
1948	20	33.4
1949	25	33.4
1950	28	32.3
1951	27	32.3
1952	38	32.3
1953	33	32.3
1954	16	32.3
1955	38	32.3
1956	43	32.3
1957	34	32.3
1959	34	32.3
1960	45	42
1961	67	42
1962	37	42
1963	42	42
1964	19	42

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

First to last qualifying date each year at Metaline Falls
Year	First date	Last date
1927	1927-07-17	1927-08-21
1928	1928-05-21	1928-09-03
1929	1929-07-01	1929-09-16
1930	1930-07-05	1930-09-04
1931	1931-05-13	1931-09-04
1932	1932-06-12	1932-08-27
1933	1933-06-12	1933-08-28
1934	1934-05-24	1934-09-06
1935	1935-07-12	1935-09-09
1936	1936-05-26	1936-08-29
1937	1937-06-01	1937-09-15
1938	1938-06-20	1938-09-23
1939	1939-05-14	1939-09-10
1940	1940-05-23	1940-09-11
1941	1941-06-11	1941-08-21
1942	1942-06-29	1942-09-27
1943	1943-06-28	1943-10-08
1944	1944-05-27	1944-09-13
1945	1945-05-29	1945-09-14
1946	1946-04-25	1946-09-02
1947	1947-05-06	1947-08-29
1948	1948-05-26	1948-09-13
1949	1949-05-09	1949-09-03
1950	1950-06-19	1950-09-02
1951	1951-07-03	1951-09-16
1952	1952-04-25	1952-09-26
1953	1953-07-06	1953-09-13
1954	1954-05-18	1954-08-14
1955	1955-06-09	1955-09-10
1956	1956-05-17	1956-09-18
1957	1957-04-29	1957-09-24
1959	1959-05-14	1959-09-12
1960	1960-06-28	1960-09-14
1961	1961-05-25	1961-09-16
1962	1962-06-16	1962-09-25
1963	1963-05-22	1963-09-26
1964	1964-06-26	1964-08-22

Every Fixed Threshold

Fixed thresholds at Metaline Falls
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	67	1961	19
35 C (95 F): Days	31	24	1961	3
40 C (104 F): Days	2	2	1961	2
90 F (32.2 C): Days	37	49	1961	9
100 F (37.8 C): Days	9	7	1961	7
0 C (32 F): Ice days (max	37	72	1929	25
0 C (32 F): Frost days (min	37	214	1933	166
-10 C (14 F): Days with min	37	55	1949	15
-20 C (-4 F): Days with min	28	19	1929	3
-30 C (-22 F): Days with min	8	6	1950	6
20 C (68 F): Tropical nights (min	3	1	1927	1
25 C (77 F): Days with min	1	1	1927	1
10 mm (0.39 in): Days with 10 mm or more rain	41	32	1914	21
25 mm (0.98 in): Days with 25 mm or more rain	32	8	1914	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	14	1964	14
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	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 1927.

Download the Data

Data for Metaline Falls 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).

Metaline Falls Threshold Days by Year (USC00455317)

Key Facts for Metaline Falls Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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