Darrington Rs Threshold Days by Year (USC00451992)

17 fixed thresholds counted per year at Darrington Rs (USC00451992): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Darrington Rs Thresholds

Darrington Rs: days with 10 cm (3.9 in) or more of snowfall in 55 years, most in 1937 with 13.
Darrington Rs: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1916 with 150.
Darrington Rs: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1958 with 42.
Darrington Rs: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1933 with 92.
17 fixed thresholds have at least one qualifying day at Darrington Rs.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Darrington Rs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1958.

Days at or above 30 C (86 F) per year at Darrington Rs
Year	Days	Decade average
1915	13	14
1916	15	14
1921	5	5
1931	15	14.6
1932	14	14.6
1933	13	14.6
1934	17	14.6
1936	15	14.6
1937	11	14.6
1939	17	14.6
1940	27	21.8
1941	17	21.8
1942	22	21.8
1943	16	21.8
1944	27	21.8
1954	1	18.2
1955	12	18.2
1956	26	18.2
1957	13	18.2
1958	42	18.2
1959	15	18.2
1962	6	11.2
1963	8	11.2
1964	7	11.2
1967	28	11.2
1969	7	11.2
1970	15	14.5
1971	16	14.5
1973	15	14.5
1977	13	14.5
1978	16	14.5
1979	12	14.5
1985	31	30
1986	29	30
2010	18	20
2011	11	20
2012	15	20
2013	11	20
2014	24	20
2015	33	20
2016	19	20
2017	29	20
2026	23	23

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

First to last qualifying date each year at Darrington Rs
Year	First date	Last date
1915	1915-06-29	1915-08-29
1916	1916-06-13	1916-09-15
1921	1921-07-23	1921-08-13
1931	1931-05-11	1931-08-28
1932	1932-06-09	1932-10-04
1933	1933-06-12	1933-08-27
1934	1934-04-19	1934-10-09
1936	1936-05-12	1936-10-10
1937	1937-05-02	1937-09-14
1939	1939-05-13	1939-08-23
1940	1940-05-09	1940-09-24
1941	1941-05-22	1941-08-19
1942	1942-06-05	1942-09-24
1943	1943-06-29	1943-10-04
1944	1944-05-27	1944-09-11
1954	1954-08-29	1954-08-29
1955	1955-06-08	1955-09-06
1956	1956-05-16	1956-09-07
1957	1957-04-29	1957-09-24
1958	1958-05-18	1958-09-08
1959	1959-05-14	1959-08-01
1962	1962-07-23	1962-08-16
1963	1963-05-18	1963-09-10
1964	1964-05-31	1964-08-25
1967	1967-06-18	1967-09-28
1969	1969-05-09	1969-07-24
1970	1970-06-02	1970-09-28
1971	1971-05-12	1971-08-12
1973	1973-05-14	1973-09-06
1977	1977-06-18	1977-08-18
1978	1978-06-02	1978-08-10
1979	1979-06-03	1979-09-19
1985	1985-05-17	1985-08-25
1986	1986-05-26	1986-09-07
2010	2010-07-08	2010-09-04
2011	2011-06-06	2011-09-12
2012	2012-05-14	2012-09-09
2013	2013-05-06	2013-09-12
2014	2014-05-02	2014-08-28
2015	2015-06-08	2015-08-20
2016	2016-04-19	2016-08-26
2017	2017-05-23	2017-09-06
2026	2026-05-04	2026-08-26

Every Fixed Threshold

Fixed thresholds at Darrington Rs
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	42	1958	23
35 C (95 F): Days	32	8	2015	2
40 C (104 F): Days	3	2	1944	2
90 F (32.2 C): Days	40	24	1958	11
100 F (37.8 C): Days	12	3	1942	1
0 C (32 F): Ice days (max	35	25	1916	15
0 C (32 F): Frost days (min	46	150	1916	49
-10 C (14 F): Days with min	40	20	1916	7
-20 C (-4 F): Days with min	9	3	1916	1
20 C (68 F): Tropical nights (min	2	3	1944	3
10 mm (0.39 in): Days with 10 mm or more rain	41	92	1933	30
25 mm (0.98 in): Days with 25 mm or more rain	41	43	2014	11
50 mm (1.97 in): Days with 50 mm or more rain	40	11	2017	11
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1921	2
10 cm (3.9 in): Days with 10 cm or more snowfall	55	13	1937	1
25 cm (9.8 in): Days with 25 cm or more snowfall	22	4	1954	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1943	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Darrington Rs 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Darrington Rs Threshold Days by Year (USC00451992)

Key Facts for Darrington Rs Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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