Sunnyside Threshold Days by Year (USC00458207)

18 fixed thresholds counted per year at Sunnyside (USC00458207): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sunnyside Thresholds

Sunnyside: days with a maximum temperature at or above 30 C (86 F) in 109 years, most in 1922 with 97.
Sunnyside: days with a maximum temperature at or above 90 F (32.2 C) in 109 years, most in 1922 with 74.
Sunnyside: days with a maximum temperature at or above 35 C (95 F) in 108 years, most in 1922 with 45.
Sunnyside: days with a maximum temperature at or below 0 C (32 F) in 108 years, most in 1985 with 63.
18 fixed thresholds have at least one qualifying day at Sunnyside.

Days at or above 30 C (86 F)

109 years with a qualifying day

Days per year at Sunnyside with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 1922.

Days at or above 30 C (86 F) per year at Sunnyside
Year	Days	Decade average
1895	57	60.4
1896	68	60.4
1897	74	60.4
1898	62	60.4
1899	41	60.4
1900	41	45.9
1901	49	45.9
1902	38	45.9
1903	34	45.9
1904	49	45.9
1906	55	45.9
1909	55	45.9
1910	74	70.2
1911	60	70.2
1912	55	70.2
1913	58	70.2
1914	72	70.2
1915	74	70.2
1916	66	70.2
1917	79	70.2
1918	91	70.2
1919	73	70.2
1920	67	77.6
1921	68	77.6
1922	97	77.6
1923	80	77.6
1924	89	77.6
1925	85	77.6
1926	76	77.6
1927	62	77.6
1928	77	77.6
1929	75	77.6
1930	69	72.6
1931	81	72.6
1932	67	72.6
1933	59	72.6
1934	85	72.6
1935	65	72.6
1936	82	72.6
1937	68	72.6
1938	84	72.6
1939	66	72.6
1940	81	62.2
1941	53	62.2
1942	63	62.2
1943	64	62.2
1944	62	62.2
1945	70	62.2
1946	48	62.2
1947	62	62.2
1948	48	62.2
1949	71	62.2
1950	74	63.3
1951	71	63.3
1952	84	63.3
1953	58	63.3
1954	44	63.3
1955	58	63.3
1956	64	63.3
1957	52	63.3
1958	81	63.3
1959	47	63.3
1960	67	62.4
1961	72	62.4
1962	51	62.4
1963	60	62.4
1964	39	62.4
1965	58	62.4
1966	64	62.4
1967	94	62.4
1968	51	62.4
1969	68	62.4
1970	62	61.2
1971	56	61.2
1972	63	61.2
1973	63	61.2
1974	73	61.2
1975	56	61.2
1976	50	61.2
1977	67	61.2
1978	48	61.2
1979	74	61.2
1980	51	65.5
1981	62	65.5
1982	61	65.5
1983	51	65.5
1984	63	65.5
1985	71	65.5
1986	71	65.5
1987	78	65.5
1988	81	65.5
1989	66	65.5
1990	72	66.8
1992	70	66.8
1993	54	66.8
1994	83	66.8
1995	55	66.8
2000	72	71.9
2001	77	71.9
2002	70	71.9
2003	92	71.9
2004	67	71.9
2005	66	71.9
2007	81	71.9
2008	66	71.9
2009	56	71.9
2010	40	42.7
2011	42	42.7
2012	46	42.7

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

First to last qualifying date each year at Sunnyside
Year	First date	Last date
1895	1895-04-27	1895-08-31
1896	1896-05-28	1896-09-06
1897	1897-04-17	1897-09-26
1898	1898-05-26	1898-09-19
1899	1899-06-15	1899-09-26
1900	1900-05-03	1900-09-12
1901	1901-05-25	1901-08-31
1902	1902-05-26	1902-09-09
1903	1903-05-30	1903-08-18
1904	1904-05-21	1904-09-08
1906	1906-06-02	1906-09-19
1909	1909-05-03	1909-09-16
1910	1910-04-18	1910-09-21
1911	1911-05-30	1911-09-02
1912	1912-05-08	1912-09-13
1913	1913-05-23	1913-09-17
1914	1914-05-13	1914-09-02
1915	1915-05-07	1915-09-19
1916	1916-05-02	1916-09-21
1917	1917-06-08	1917-10-06
1918	1918-04-21	1918-09-29
1919	1919-05-18	1919-09-25
1920	1920-05-07	1920-09-17
1921	1921-05-24	1921-08-31
1922	1922-05-16	1922-09-30
1923	1923-04-16	1923-10-02
1924	1924-05-09	1924-09-17
1925	1925-04-09	1925-09-25
1926	1926-04-14	1926-09-09
1927	1927-04-24	1927-09-21
1928	1928-05-05	1928-09-23
1929	1929-05-11	1929-09-16
1930	1930-04-12	1930-09-20
1931	1931-04-28	1931-10-01
1932	1932-05-12	1932-10-02
1933	1933-04-27	1933-09-04
1934	1934-04-19	1934-10-10
1935	1935-05-20	1935-10-02
1936	1936-04-12	1936-10-10
1937	1937-05-02	1937-09-16
1938	1938-05-21	1938-09-22
1939	1939-04-28	1939-09-23
1940	1940-05-09	1940-09-26
1941	1941-05-11	1941-08-22
1942	1942-05-21	1942-09-27
1943	1943-04-13	1943-10-08
1944	1944-05-05	1944-09-25
1945	1945-05-02	1945-09-14
1946	1946-04-25	1946-09-12
1947	1947-04-13	1947-09-24
1948	1948-05-25	1948-09-14
1949	1949-05-08	1949-09-29
1950	1950-05-13	1950-09-24
1951	1951-04-14	1951-09-20
1952	1952-04-26	1952-10-04
1953	1953-05-06	1953-09-19
1954	1954-05-17	1954-09-27
1955	1955-06-07	1955-09-12
1956	1956-05-17	1956-09-26
1957	1957-04-30	1957-09-25
1958	1958-05-17	1958-09-11
1959	1959-05-14	1959-09-14
1960	1960-05-11	1960-09-19
1961	1961-05-20	1961-09-05
1962	1962-06-09	1962-09-27
1963	1963-05-21	1963-09-30
1964	1964-05-20	1964-09-25
1965	1965-05-12	1965-09-26
1966	1966-05-03	1966-09-29
1967	1967-05-17	1967-09-29
1968	1968-04-30	1968-09-12
1969	1969-05-08	1969-09-13
1970	1970-05-16	1970-09-01
1971	1971-05-04	1971-09-11
1972	1972-05-14	1972-09-17
1973	1973-05-14	1973-09-12
1974	1974-06-02	1974-09-26
1975	1975-05-15	1975-09-23
1976	1976-05-02	1976-10-01
1977	1977-04-08	1977-09-14
1978	1978-06-03	1978-09-27
1979	1979-05-22	1979-09-21
1980	1980-04-28	1980-10-08
1981	1981-04-24	1981-09-19
1982	1982-05-22	1982-09-19
1983	1983-05-21	1983-09-27
1984	1984-05-29	1984-09-19
1985	1985-05-17	1985-09-04
1986	1986-04-22	1986-09-06
1987	1987-04-28	1987-10-02
1988	1988-05-11	1988-10-09
1989	1989-05-06	1989-09-30
1990	1990-05-05	1990-09-30
1992	1992-05-05	1992-10-02
1993	1993-05-11	1993-10-01
1994	1994-04-18	1994-09-29
1995	1995-05-29	1995-09-18
2000	2000-05-17	2000-09-20
2001	2001-04-26	2001-09-25
2002	2002-06-05	2002-09-20
2003	2003-05-24	2003-10-22
2004	2004-05-02	2004-09-29
2005	2005-05-27	2005-09-09
2007	2007-05-08	2007-09-15
2008	2008-05-16	2008-09-20
2009	2009-04-22	2009-09-25
2010	2010-06-02	2010-08-27
2011	2011-06-23	2011-09-25
2012	2012-05-15	2012-09-20

Every Fixed Threshold

Fixed thresholds at Sunnyside
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	109	97	1922	46
35 C (95 F): Days	108	45	1922	10
40 C (104 F): Days	53	9	1971	1
90 F (32.2 C): Days	109	74	1922	30
100 F (37.8 C): Days	97	16	1971	6
110 F (43.3 C): Days	1	1	1939	1
0 C (32 F): Ice days (max	108	63	1985	8
0 C (32 F): Frost days (min	106	160	1929	137
-10 C (14 F): Days with min	101	40	1916	5
-20 C (-4 F): Days with min	34	12	1950	2
-30 C (-22 F): Days with min	2	2	1930	2
20 C (68 F): Tropical nights (min	58	8	1895	4
25 C (77 F): Days with min	2	1	1924	1
10 mm (0.39 in): Days with 10 mm or more rain	99	6	1906	2
25 mm (0.98 in): Days with 25 mm or more rain	11	2	1986	1
10 cm (3.9 in): Days with 10 cm or more snowfall	23	7	1902	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	2	1902	2
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1902	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Sunnyside 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).

Sunnyside Threshold Days by Year (USC00458207)

Key Facts for Sunnyside Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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