Sterling Threshold Days by Year (USC00147796)

18 fixed thresholds counted per year at Sterling (USC00147796): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sterling Thresholds

Sterling: days with a maximum temperature at or above 30 C (86 F) in 75 years, most in 1956 with 133.
Sterling: days with a maximum temperature at or above 35 C (95 F) in 75 years, most in 1954 with 79.
Sterling: days with a maximum temperature at or above 90 F (32.2 C) in 75 years, most in 1956 with 106.
Sterling: days with a maximum temperature at or above 100 F (37.8 C) in 75 years, most in 2011 with 47.
18 fixed thresholds have at least one qualifying day at Sterling.

Days at or above 30 C (86 F)

75 years with a qualifying day

Days per year at Sterling with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 133 in 1956.

Days at or above 30 C (86 F) per year at Sterling
Year	Days	Decade average
1893	131	131
1953	115	105.4
1954	118	105.4
1955	108	105.4
1956	133	105.4
1957	81	105.4
1958	84	105.4
1959	99	105.4
1960	90	90.1
1961	76	90.1
1962	100	90.1
1963	108	90.1
1964	102	90.1
1965	85	90.1
1966	92	90.1
1967	71	90.1
1968	92	90.1
1969	85	90.1
1970	107	93.7
1971	95	93.7
1972	92	93.7
1973	87	93.7
1974	69	93.7
1975	101	93.7
1976	94	93.7
1977	88	93.7
1978	102	93.7
1979	102	93.7
1980	114	90.2
1981	100	90.2
1982	81	90.2
1983	98	90.2
1984	103	90.2
1985	75	90.2
1986	85	90.2
1987	84	90.2
1988	90	90.2
1989	72	90.2
1990	95	82.8
1991	96	82.8
1992	59	82.8
1993	73	82.8
1994	97	82.8
1995	79	82.8
1996	79	82.8
1997	76	82.8
1998	103	82.8
1999	71	82.8
2000	99	88.3
2001	102	88.3
2002	100	88.3
2003	83	88.3
2004	72	88.3
2005	100	88.3
2006	102	88.3
2007	90	88.3
2008	72	88.3
2009	63	88.3
2010	101	95.9
2011	108	95.9
2012	115	95.9
2013	81	95.9
2014	88	95.9
2015	88	95.9
2016	90	95.9
2017	87	95.9
2018	111	95.9
2019	90	95.9
2020	87	100.1
2021	92	100.1
2022	112	100.1
2023	100	100.1
2024	104	100.1
2025	81	100.1
2026	125	100.1

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

First to last qualifying date each year at Sterling
Year	First date	Last date
1893	1893-03-30	1893-10-10
1953	1953-04-21	1953-10-12
1954	1954-04-05	1954-10-13
1955	1955-04-15	1955-10-20
1956	1956-03-25	1956-10-11
1957	1957-05-20	1957-10-05
1958	1958-05-21	1958-10-16
1959	1959-04-30	1959-09-21
1960	1960-04-24	1960-10-05
1961	1961-04-19	1961-10-12
1962	1962-05-04	1962-10-14
1963	1963-04-15	1963-10-18
1964	1964-04-15	1964-10-07
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-13
1967	1967-03-28	1967-10-04
1968	1968-04-30	1968-10-30
1969	1969-05-26	1969-10-03
1970	1970-04-27	1970-10-02
1971	1971-04-12	1971-10-12
1972	1972-03-11	1972-10-10
1973	1973-05-18	1973-10-23
1974	1974-04-27	1974-09-29
1975	1975-04-23	1975-10-21
1976	1976-03-25	1976-10-11
1977	1977-04-27	1977-10-26
1978	1978-03-31	1978-10-21
1979	1979-05-08	1979-10-20
1980	1980-04-20	1980-11-08
1981	1981-04-07	1981-09-30
1982	1982-04-12	1982-10-05
1983	1983-05-06	1983-10-05
1984	1984-05-24	1984-09-24
1985	1985-05-24	1985-09-18
1986	1986-03-28	1986-09-28
1987	1987-04-17	1987-10-29
1988	1988-05-12	1988-09-27
1989	1989-03-10	1989-10-15
1990	1990-04-22	1990-10-16
1991	1991-05-12	1991-10-23
1992	1992-04-29	1992-10-13
1993	1993-05-27	1993-10-07
1994	1994-04-14	1994-10-01
1995	1995-06-02	1995-10-16
1996	1996-04-11	1996-09-11
1997	1997-03-20	1997-10-05
1998	1998-05-13	1998-09-29
1999	1999-05-15	1999-10-15
2000	2000-04-05	2000-10-04
2001	2001-04-20	2001-10-02
2002	2002-04-01	2002-10-01
2003	2003-04-02	2003-10-22
2004	2004-04-17	2004-09-21
2005	2005-04-21	2005-10-19
2006	2006-04-14	2006-11-09
2007	2007-04-30	2007-10-08
2008	2008-05-19	2008-09-29
2009	2009-04-23	2009-09-28
2010	2010-04-06	2010-10-17
2011	2011-04-04	2011-10-05
2012	2012-04-25	2012-10-24
2013	2013-04-30	2013-10-05
2014	2014-04-10	2014-10-27
2015	2015-03-17	2015-10-14
2016	2016-04-27	2016-10-18
2017	2017-03-20	2017-10-03
2018	2018-04-12	2018-10-04
2019	2019-04-11	2019-10-02
2020	2020-05-24	2020-10-12
2021	2021-04-27	2021-10-10
2022	2022-04-13	2022-10-22
2023	2023-04-05	2023-10-21
2024	2024-04-14	2024-10-29
2025	2025-03-28	2025-10-06
2026	2026-03-20	2026-10-14

Every Fixed Threshold

Fixed thresholds at Sterling
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	75	133	1956	125
35 C (95 F): Days	75	79	1954	50
40 C (104 F): Days	56	30	2011	8
90 F (32.2 C): Days	75	106	1956	95
100 F (37.8 C): Days	75	47	2011	21
110 F (43.3 C): Days	7	3	1954	1
0 C (32 F): Ice days (max	75	50	1978	10
0 C (32 F): Frost days (min	73	145	1956	54
-10 C (14 F): Days with min	73	52	1978	13
-20 C (-4 F): Days with min	41	10	1989	2
20 C (68 F): Tropical nights (min	73	73	1954	67
25 C (77 F): Days with min	45	11	1980	5
10 mm (0.39 in): Days with 10 mm or more rain	74	38	1957	15
25 mm (0.98 in): Days with 25 mm or more rain	74	15	1973	5
50 mm (1.97 in): Days with 50 mm or more rain	55	4	1957	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1978	1
10 cm (3.9 in): Days with 10 cm or more snowfall	41	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Sterling 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Sterling Threshold Days by Year (USC00147796)

Key Facts for Sterling Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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