Cascade 1 NW Threshold Days by Year (USC00101514)

16 fixed thresholds counted per year at Cascade 1 NW (USC00101514): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cascade 1 NW Thresholds

Cascade 1 NW: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1973 with 40.
Cascade 1 NW: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1985 with 98.
Cascade 1 NW: days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1996 with 31.
Cascade 1 NW: days with a maximum temperature at or above 90 F (32.2 C) in 72 years, most in 1967 with 21.
16 fixed thresholds have at least one qualifying day at Cascade 1 NW.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Cascade 1 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1973.

Days at or above 30 C (86 F) per year at Cascade 1 NW
Year	Days	Decade average
1942	38	26.1
1943	34	26.1
1944	16	26.1
1945	28	26.1
1946	23	26.1
1947	31	26.1
1948	14	26.1
1949	25	26.1
1950	22	21.7
1951	27	21.7
1952	18	21.7
1953	26	21.7
1954	27	21.7
1955	30	21.7
1956	15	21.7
1957	16	21.7
1958	14	21.7
1959	22	21.7
1960	26	24.2
1961	34	24.2
1962	17	24.2
1963	13	24.2
1964	14	24.2
1965	14	24.2
1966	30	24.2
1967	39	24.2
1968	27	24.2
1969	28	24.2
1970	35	29.5
1971	29	29.5
1972	17	29.5
1973	40	29.5
1974	35	29.5
1975	23	29.5
1976	21	29.5
1977	35	29.5
1978	23	29.5
1979	37	29.5
1980	11	17.5
1981	25	17.5
1982	10	17.5
1983	9	17.5
1984	14	17.5
1985	24	17.5
1986	20	17.5
1987	14	17.5
1988	32	17.5
1989	16	17.5
1990	25	18.1
1991	17	18.1
1992	23	18.1
1993	1	18.1
1994	34	18.1
1995	9	18.1
1996	28	18.1
1997	10	18.1
1999	16	18.1
2000	26	24.3
2001	22	24.3
2002	17	24.3
2003	30	24.3
2004	19	24.3
2005	18	24.3
2006	36	24.3
2007	38	24.3
2008	14	24.3
2009	23	24.3
2010	20	26.3
2011	17	26.3
2012	36	26.3
2013	40	26.3
2014	27	26.3
2015	24	26.3
2016	20	26.3
2025	2	2

For each year, a bar from the first to the last day at Cascade 1 NW meeting 30 C (86 F).

First to last qualifying date each year at Cascade 1 NW
Year	First date	Last date
1942	1942-07-02	1942-09-05
1943	1943-07-06	1943-09-26
1944	1944-07-17	1944-09-12
1945	1945-06-21	1945-09-13
1946	1946-07-01	1946-08-22
1947	1947-07-02	1947-09-03
1948	1948-06-29	1948-09-13
1949	1949-06-10	1949-09-23
1950	1950-06-30	1950-09-04
1951	1951-07-03	1951-08-19
1952	1952-06-09	1952-08-21
1953	1953-07-07	1953-09-11
1954	1954-06-22	1954-09-01
1955	1955-06-20	1955-09-08
1956	1956-07-10	1956-08-24
1957	1957-06-05	1957-08-24
1958	1958-07-23	1958-08-27
1959	1959-06-20	1959-09-13
1960	1960-07-01	1960-08-14
1961	1961-06-17	1961-08-25
1962	1962-06-23	1962-08-17
1963	1963-07-06	1963-09-11
1964	1964-07-07	1964-08-17
1965	1965-07-14	1965-08-10
1966	1966-05-26	1966-09-23
1967	1967-07-02	1967-09-02
1968	1968-06-18	1968-08-09
1969	1969-06-04	1969-09-02
1970	1970-06-21	1970-08-31
1971	1971-06-21	1971-08-29
1972	1972-07-05	1972-08-28
1973	1973-06-21	1973-09-06
1974	1974-06-12	1974-08-28
1975	1975-07-03	1975-08-06
1976	1976-06-28	1976-09-06
1977	1977-06-05	1977-08-22
1978	1978-07-14	1978-08-11
1979	1979-06-24	1979-09-08
1980	1980-07-21	1980-08-12
1981	1981-07-01	1981-09-19
1982	1982-07-21	1982-08-22
1983	1983-05-29	1983-08-09
1984	1984-05-30	1984-08-19
1985	1985-06-20	1985-08-28
1986	1986-05-30	1986-08-29
1987	1987-06-14	1987-09-02
1988	1988-06-18	1988-09-07
1989	1989-07-04	1989-08-08
1990	1990-06-25	1990-09-15
1991	1991-07-04	1991-09-01
1992	1992-06-11	1992-08-21
1993	1993-07-29	1993-07-29
1994	1994-06-21	1994-09-24
1995	1995-07-29	1995-09-16
1996	1996-06-08	1996-09-12
1997	1997-07-06	1997-09-10
1999	1999-07-11	1999-08-28
2000	2000-07-03	2000-09-15
2001	2001-07-03	2001-08-31
2002	2002-06-26	2002-07-25
2003	2003-05-25	2003-09-03
2004	2004-06-24	2004-09-01
2005	2005-06-22	2005-08-29
2006	2006-06-27	2006-09-06
2007	2007-06-04	2007-09-04
2008	2008-06-22	2008-08-25
2009	2009-07-02	2009-08-29
2010	2010-06-29	2010-10-03
2011	2011-06-29	2011-09-24
2012	2012-07-07	2012-08-29
2013	2013-06-29	2013-09-13
2014	2014-07-02	2014-08-18
2015	2015-06-09	2015-09-12
2016	2016-06-05	2016-08-29
2025	2025-07-01	2025-07-02

Every Fixed Threshold

Fixed thresholds at Cascade 1 NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	40	1973	2
35 C (95 F): Days	30	4	1942	2
90 F (32.2 C): Days	72	21	1967	2
100 F (37.8 C): Days	4	1	1960	1
0 C (32 F): Ice days (max	74	98	1985	37
0 C (32 F): Frost days (min	72	265	1985	162
-10 C (14 F): Days with min	72	127	1985	38
-20 C (-4 F): Days with min	72	50	1985	11
-30 C (-22 F): Days with min	31	12	1949	2
-40 C (-40 F): Days with min	1	1	1943	1
20 C (68 F): Tropical nights (min	1	0	n/a	1
10 mm (0.39 in): Days with 10 mm or more rain	74	31	1996	19
25 mm (0.98 in): Days with 25 mm or more rain	56	6	1996	1
50 mm (1.97 in): Days with 50 mm or more rain	8	1	1942	1
10 cm (3.9 in): Days with 10 cm or more snowfall	71	18	1951	8
25 cm (9.8 in): Days with 25 cm or more snowfall	28	2	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

Data for Cascade 1 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).

Cascade 1 NW Threshold Days by Year (USC00101514)

Key Facts for Cascade 1 NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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