Olney 2S Threshold Days by Year (USC00116446)

19 fixed thresholds counted per year at Olney 2S (USC00116446): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Olney 2S Thresholds

Olney 2S: days with 10 mm (0.39 in) or more of precipitation in 123 years, most in 2011 with 55.
Olney 2S: days with 25 mm (0.98 in) or more of precipitation in 123 years, most in 2013 with 24.
Olney 2S: nights with a minimum temperature at or below 0 C (32 F) in 121 years, most in 2013 with 135.
Olney 2S: nights with a minimum temperature at or below -10 C (14 F) in 121 years, most in 1963 with 45.
19 fixed thresholds have at least one qualifying day at Olney 2S.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Olney 2S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 114 in 1936.

Days at or above 30 C (86 F) per year at Olney 2S
Year	Days	Decade average
1897	88	84.7
1898	82	84.7
1899	84	84.7
1900	85	78.8
1901	94	78.8
1902	68	78.8
1903	69	78.8
1904	46	78.8
1905	77	78.8
1906	97	78.8
1907	64	78.8
1908	107	78.8
1909	81	78.8
1910	75	73.3
1911	92	73.3
1913	100	73.3
1914	56	73.3
1915	40	73.3
1916	75	73.3
1917	58	73.3
1918	70	73.3
1919	94	73.3
1921	95	78.9
1922	94	78.9
1923	64	78.9
1924	51	78.9
1925	101	78.9
1926	97	78.9
1927	62	78.9
1928	70	78.9
1929	76	78.9
1930	89	91.4
1931	94	91.4
1932	88	91.4
1933	100	91.4
1934	81	91.4
1935	70	91.4
1936	114	91.4
1937	87	91.4
1938	89	91.4
1939	102	91.4
1940	93	83.4
1941	101	83.4
1942	86	83.4
1943	89	83.4
1944	102	83.4
1945	58	83.4
1946	73	83.4
1947	79	83.4
1948	70	83.4
1950	44	79.5
1951	70	79.5
1952	93	79.5
1953	113	79.5
1958	61	79.5
1959	96	79.5
1960	83	71.3
1961	80	71.3
1962	74	71.3
1963	82	71.3
1964	87	71.3
1965	51	71.3
1966	69	71.3
1967	44	71.3
1968	72	71.3
1969	71	71.3
1970	89	72
1971	75	72
1972	78	72
1973	74	72
1974	46	72
1975	71	72
1976	58	72
1977	88	72
1978	82	72
1979	59	72
1980	88	74.5
1981	59	74.5
1988	92	74.5
1989	59	74.5
1991	92	63.8
1992	39	63.8
1993	54	63.8
1994	57	63.8
1995	68	63.8
1996	61	63.8
1997	55	63.8
1998	78	63.8
1999	70	63.8
2000	49	64.4
2001	66	64.4
2002	94	64.4
2003	44	64.4
2004	56	64.4
2005	77	64.4
2006	75	64.4
2007	91	64.4
2008	57	64.4
2009	35	64.4
2010	91	66.5
2011	73	66.5
2012	93	66.5
2013	48	66.5
2014	42	66.5
2015	37	66.5
2016	55	66.5
2017	67	66.5
2018	85	66.5
2019	74	66.5
2020	58	56.6
2021	67	56.6
2022	59	56.6
2023	53	56.6
2024	68	56.6
2025	76	56.6
2026	15	56.6

For each year, a bar from the first to the last day at Olney 2S meeting 30 C (86 F).

First to last qualifying date each year at Olney 2S
Year	First date	Last date
1897	1897-05-08	1897-10-16
1898	1898-05-18	1898-10-03
1899	1899-04-27	1899-10-14
1900	1900-05-13	1900-10-05
1901	1901-04-30	1901-10-01
1902	1902-05-02	1902-09-08
1903	1903-05-17	1903-10-03
1904	1904-06-03	1904-09-29
1905	1905-05-10	1905-10-08
1906	1906-04-26	1906-09-22
1907	1907-03-21	1907-09-21
1908	1908-05-17	1908-10-21
1909	1909-05-06	1909-10-03
1910	1910-03-23	1910-10-19
1911	1911-05-10	1911-10-06
1913	1913-05-15	1913-10-11
1914	1914-05-12	1914-09-23
1915	1915-04-29	1915-09-27
1916	1916-05-07	1916-10-09
1917	1917-05-20	1917-09-20
1918	1918-05-10	1918-10-05
1919	1919-05-28	1919-10-03
1921	1921-05-19	1921-09-29
1922	1922-05-11	1922-10-05
1923	1923-06-03	1923-09-28
1924	1924-04-25	1924-09-21
1925	1925-04-21	1925-09-30
1926	1926-05-01	1926-10-03
1927	1927-05-08	1927-10-28
1928	1928-05-03	1928-10-13
1929	1929-03-24	1929-09-29
1930	1930-04-10	1930-10-12
1931	1931-04-16	1931-10-07
1932	1932-05-04	1932-09-15
1933	1933-05-19	1933-09-30
1934	1934-05-09	1934-09-26
1935	1935-04-26	1935-10-14
1936	1936-05-01	1936-09-22
1937	1937-04-17	1937-10-05
1938	1938-04-26	1938-10-18
1939	1939-05-17	1939-10-23
1940	1940-05-06	1940-10-27
1941	1941-04-13	1941-10-06
1942	1942-04-29	1942-10-09
1943	1943-05-05	1943-10-01
1944	1944-05-11	1944-10-06
1945	1945-05-26	1945-09-28
1946	1946-04-03	1946-10-10
1947	1947-05-15	1947-10-22
1948	1948-06-02	1948-09-21
1950	1950-05-23	1950-10-30
1951	1951-04-28	1951-10-05
1952	1952-05-01	1952-10-01
1953	1953-04-23	1953-10-22
1958	1958-04-18	1958-09-25
1959	1959-05-02	1959-10-04
1960	1960-04-23	1960-09-26
1961	1961-05-31	1961-10-12
1962	1962-04-30	1962-10-12
1963	1963-05-08	1963-10-26
1964	1964-05-18	1964-09-23
1965	1965-04-23	1965-09-20
1966	1966-06-05	1966-09-12
1967	1967-05-25	1967-10-05
1968	1968-05-02	1968-10-15
1969	1969-05-05	1969-10-04
1970	1970-04-28	1970-09-25
1971	1971-06-03	1971-10-03
1972	1972-05-19	1972-09-21
1973	1973-06-03	1973-10-10
1974	1974-05-20	1974-08-27
1975	1975-05-19	1975-10-13
1976	1976-05-21	1976-09-19
1977	1977-04-16	1977-09-18
1978	1978-05-25	1978-09-20
1979	1979-05-08	1979-10-21
1980	1980-04-22	1980-10-08
1981	1981-04-10	1981-10-05
1988	1988-04-05	1988-09-28
1989	1989-04-25	1989-10-13
1991	1991-05-23	1991-09-16
1992	1992-05-16	1992-10-14
1993	1993-05-08	1993-09-14
1994	1994-06-05	1994-10-01
1995	1995-06-07	1995-10-19
1996	1996-05-17	1996-09-08
1997	1997-05-18	1997-10-12
1998	1998-05-14	1998-09-28
1999	1999-06-06	1999-09-29
2000	2000-05-24	2000-10-03
2001	2001-05-01	2001-09-14
2002	2002-04-19	2002-10-04
2003	2003-06-18	2003-09-12
2004	2004-05-08	2004-09-25
2005	2005-05-10	2005-10-05
2006	2006-04-15	2006-10-05
2007	2007-05-01	2007-10-09
2008	2008-06-01	2008-10-13
2009	2009-05-23	2009-08-29
2010	2010-05-24	2010-10-12
2011	2011-05-12	2011-10-08
2012	2012-03-22	2012-09-08
2013	2013-05-16	2013-10-05
2014	2014-05-09	2014-10-03
2015	2015-05-07	2015-09-19
2016	2016-05-31	2016-10-07
2017	2017-06-03	2017-10-15
2018	2018-05-11	2018-10-09
2019	2019-05-18	2019-10-03
2020	2020-05-26	2020-10-08
2021	2021-05-24	2021-10-11
2022	2022-05-11	2022-09-22
2023	2023-05-31	2023-10-04
2024	2024-04-16	2024-10-06
2025	2025-05-16	2025-10-05
2026	2026-03-23	2026-07-07

Every Fixed Threshold

Fixed thresholds at Olney 2S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	114	1936	15
35 C (95 F): Days	107	57	1936	5
40 C (104 F): Days	18	21	1936	6
90 F (32.2 C): Days	116	94	1936	6
100 F (37.8 C): Days	46	39	1936	17
110 F (43.3 C): Days	2	4	1936	4
0 C (32 F): Ice days (max	116	44	1978	23
0 C (32 F): Frost days (min	121	135	2013	60
-10 C (14 F): Days with min	121	45	1963	15
-20 C (-4 F): Days with min	74	16	1977	4
-30 C (-22 F): Days with min	3	1	1951	1
20 C (68 F): Tropical nights (min	121	73	1921	15
25 C (77 F): Days with min	34	7	1901	3
10 mm (0.39 in): Days with 10 mm or more rain	123	55	2011	20
25 mm (0.98 in): Days with 25 mm or more rain	123	24	2013	8
50 mm (1.97 in): Days with 50 mm or more rain	103	8	2013	1
100 mm (3.94 in): Days with 100 mm or more rain	13	1	1904	1
10 cm (3.9 in): Days with 10 cm or more snowfall	68	4	1926	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1901	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Olney 2S 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).

Olney 2S Threshold Days by Year (USC00116446)

Key Facts for Olney 2S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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