Cascade Threshold Days by Year (USC00131257)

17 fixed thresholds counted per year at Cascade (USC00131257): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cascade Thresholds

Cascade: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1983 with 71.
Cascade: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1978 with 82.
Cascade: nights with a minimum temperature at or below 0 C (32 F) in 78 years, most in 1961 with 191.
Cascade: nights with a minimum temperature at or below -10 C (14 F) in 78 years, most in 1978 with 86.
17 fixed thresholds have at least one qualifying day at Cascade.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Cascade with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1983.

Days at or above 30 C (86 F) per year at Cascade
Year	Days	Decade average
1948	57	54
1949	51	54
1950	16	39.3
1951	11	39.3
1952	54	39.3
1953	49	39.3
1954	49	39.3
1955	64	39.3
1956	46	39.3
1957	40	39.3
1958	19	39.3
1959	45	39.3
1960	30	30.1
1961	30	30.1
1962	25	30.1
1963	39	30.1
1964	43	30.1
1965	19	30.1
1966	34	30.1
1967	21	30.1
1968	32	30.1
1969	28	30.1
1970	37	39.9
1971	41	39.9
1972	40	39.9
1973	41	39.9
1974	29	39.9
1975	47	39.9
1976	49	39.9
1977	44	39.9
1978	39	39.9
1979	32	39.9
1980	49	43.2
1981	20	43.2
1982	22	43.2
1983	71	43.2
1984	43	43.2
1985	43	43.2
1986	38	43.2
1987	46	43.2
1988	71	43.2
1989	29	43.2
1990	21	28
1991	46	28
1992	12	28
1993	11	28
1994	20	28
1995	47	28
1996	21	28
1997	24	28
1998	40	28
1999	38	28
2000	23	31.7
2001	42	31.7
2002	40	31.7
2003	36	31.7
2005	53	31.7
2006	35	31.7
2007	42	31.7
2008	12	31.7
2009	2	31.7
2010	32	31.3
2011	40	31.3
2012	57	31.3
2013	34	31.3
2014	13	31.3
2015	10	31.3
2016	30	31.3
2017	28	31.3
2018	42	31.3
2019	27	31.3
2020	26	31.1
2021	41	31.1
2022	26	31.1
2023	40	31.1
2024	26	31.1
2025	35	31.1
2026	24	31.1

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

First to last qualifying date each year at Cascade
Year	First date	Last date
1948	1948-05-20	1948-09-19
1949	1949-05-03	1949-10-08
1950	1950-05-24	1950-10-18
1951	1951-05-16	1951-08-30
1952	1952-04-28	1952-09-30
1953	1953-05-25	1953-10-19
1954	1954-06-11	1954-10-03
1955	1955-05-19	1955-09-18
1956	1956-05-22	1956-10-01
1957	1957-06-05	1957-09-01
1958	1958-05-11	1958-08-30
1959	1959-05-02	1959-09-20
1960	1960-06-18	1960-09-08
1961	1961-05-13	1961-09-10
1962	1962-05-16	1962-10-10
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-10
1965	1965-06-12	1965-09-09
1966	1966-05-26	1966-09-01
1967	1967-05-18	1967-08-16
1968	1968-06-04	1968-09-03
1969	1969-05-27	1969-10-01
1970	1970-04-29	1970-09-20
1971	1971-05-17	1971-10-01
1972	1972-05-19	1972-09-20
1973	1973-06-08	1973-09-01
1974	1974-06-14	1974-08-26
1975	1975-05-18	1975-10-13
1976	1976-05-10	1976-10-03
1977	1977-05-13	1977-08-27
1978	1978-05-25	1978-09-11
1979	1979-05-08	1979-09-11
1980	1980-04-21	1980-09-20
1981	1981-04-27	1981-09-11
1982	1982-07-04	1982-10-01
1983	1983-06-10	1983-10-03
1984	1984-05-19	1984-09-25
1985	1985-04-19	1985-09-20
1986	1986-03-30	1986-09-27
1987	1987-04-21	1987-09-07
1988	1988-05-15	1988-09-18
1989	1989-05-30	1989-08-23
1990	1990-04-26	1990-09-28
1991	1991-05-13	1991-09-08
1992	1992-06-12	1992-08-26
1993	1993-06-18	1993-08-27
1994	1994-04-19	1994-09-16
1995	1995-06-08	1995-09-14
1996	1996-05-18	1996-09-06
1997	1997-06-21	1997-10-07
1998	1998-05-15	1998-09-27
1999	1999-06-06	1999-09-06
2000	2000-06-02	2000-09-19
2001	2001-05-16	2001-09-04
2002	2002-04-16	2002-09-30
2003	2003-06-18	2003-09-10
2005	2005-06-07	2005-10-05
2006	2006-05-25	2006-10-04
2007	2007-04-30	2007-10-08
2008	2008-06-08	2008-09-03
2009	2009-04-25	2009-08-09
2010	2010-05-23	2010-10-10
2011	2011-05-11	2011-09-03
2012	2012-05-16	2012-09-05
2013	2013-05-01	2013-09-11
2014	2014-05-31	2014-09-05
2015	2015-06-10	2015-09-17
2016	2016-05-07	2016-09-20
2017	2017-05-16	2017-09-26
2018	2018-05-25	2018-10-04
2019	2019-05-17	2019-10-01
2020	2020-06-03	2020-09-07
2021	2021-05-02	2021-09-28
2022	2022-05-11	2022-09-21
2023	2023-05-31	2023-10-02
2024	2024-05-19	2024-09-22
2025	2025-05-16	2025-10-04
2026	2026-05-27	2026-09-04

Every Fixed Threshold

Fixed thresholds at Cascade
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	71	1983	24
35 C (95 F): Days	45	22	1988	1
90 F (32.2 C): Days	75	45	1983	12
100 F (37.8 C): Days	10	8	1988	1
0 C (32 F): Ice days (max	78	82	1978	34
0 C (32 F): Frost days (min	78	191	1961	90
-10 C (14 F): Days with min	78	86	1978	32
-20 C (-4 F): Days with min	77	40	1978	8
-30 C (-22 F): Days with min	27	8	1979	2
20 C (68 F): Tropical nights (min	78	26	1955	12
25 C (77 F): Days with min	6	1	1949	1
10 mm (0.39 in): Days with 10 mm or more rain	72	44	2008	17
25 mm (0.98 in): Days with 25 mm or more rain	72	15	1974	6
50 mm (1.97 in): Days with 50 mm or more rain	61	6	1993	1
100 mm (3.94 in): Days with 100 mm or more rain	6	2	2002	1
10 cm (3.9 in): Days with 10 cm or more snowfall	62	8	1951	2
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for Cascade 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 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Cascade Threshold Days by Year (USC00131257)

Key Facts for Cascade Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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