Elmira Threshold Days by Year (USC00302610)

19 fixed thresholds counted per year at Elmira (USC00302610): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Elmira Thresholds

Elmira: days with 10 mm (0.39 in) or more of precipitation in 129 years, most in 2011 with 45.
Elmira: days with 25 mm (0.98 in) or more of precipitation in 129 years, most in 2006 with 15.
Elmira: nights with a minimum temperature at or below 0 C (32 F) in 121 years, most in 1967 with 174.
Elmira: nights with a minimum temperature at or below -10 C (14 F) in 121 years, most in 1962 with 62.
19 fixed thresholds have at least one qualifying day at Elmira.

Days at or above 30 C (86 F)

97 years with a qualifying day

Days per year at Elmira with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1949.

Days at or above 30 C (86 F) per year at Elmira
Year	Days	Decade average
1896	40	38
1897	22	38
1898	47	38
1899	43	38
1900	56	43.9
1901	33	43.9
1902	26	43.9
1903	32	43.9
1904	36	43.9
1905	44	43.9
1906	62	43.9
1908	66	43.9
1909	40	43.9
1910	44	33
1912	22	33
1942	22	42.4
1943	41	42.4
1944	41	42.4
1945	33	42.4
1946	26	42.4
1947	59	42.4
1948	44	42.4
1949	73	42.4
1950	34	47
1951	52	47
1952	50	47
1953	57	47
1954	38	47
1955	64	47
1956	36	47
1957	41	47
1958	30	47
1959	68	47
1960	30	30.9
1961	19	30.9
1962	24	30.9
1963	21	30.9
1964	45	30.9
1965	38	30.9
1966	51	30.9
1967	21	30.9
1968	33	30.9
1969	27	30.9
1970	26	24.7
1971	40	24.7
1972	19	24.7
1973	31	24.7
1974	22	24.7
1975	24	24.7
1977	16	24.7
1978	20	24.7
1979	24	24.7
1980	44	29.9
1981	13	29.9
1982	16	29.9
1983	54	29.9
1984	13	29.9
1985	20	29.9
1987	35	29.9
1988	45	29.9
1989	29	29.9
1990	30	31.3
1991	52	31.3
1992	11	31.3
1993	35	31.3
1994	30	31.3
1995	37	31.3
1996	19	31.3
1997	22	31.3
1998	35	31.3
1999	42	31.3
2000	8	23.6
2002	47	23.6
2003	14	23.6
2004	8	23.6
2005	46	23.6
2006	23	23.6
2007	35	23.6
2008	18	23.6
2009	13	23.6
2010	42	35.3
2011	30	35.3
2012	37	35.3
2013	30	35.3
2014	11	35.3
2015	21	35.3
2016	67	35.3
2017	26	35.3
2018	48	35.3
2019	41	35.3
2020	54	35.6
2021	37	35.6
2022	45	35.6
2023	22	35.6
2024	30	35.6
2025	34	35.6
2026	27	35.6

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

First to last qualifying date each year at Elmira
Year	First date	Last date
1896	1896-04-16	1896-09-11
1897	1897-06-06	1897-10-16
1898	1898-06-08	1898-09-18
1899	1899-05-30	1899-09-03
1900	1900-05-14	1900-10-06
1901	1901-06-06	1901-09-07
1902	1902-05-22	1902-09-03
1903	1903-04-30	1903-09-16
1904	1904-05-06	1904-09-18
1905	1905-05-09	1905-10-02
1906	1906-05-17	1906-09-22
1908	1908-05-23	1908-10-16
1909	1909-05-31	1909-09-14
1910	1910-03-29	1910-09-06
1912	1912-05-25	1912-09-11
1942	1942-05-02	1942-09-16
1943	1943-05-07	1943-09-07
1944	1944-05-04	1944-09-03
1945	1945-04-14	1945-09-26
1946	1946-06-09	1946-09-21
1947	1947-05-23	1947-10-23
1948	1948-05-11	1948-09-28
1949	1949-05-04	1949-10-12
1950	1950-06-08	1950-11-02
1951	1951-05-16	1951-10-06
1952	1952-04-23	1952-09-15
1953	1953-05-11	1953-10-01
1954	1954-04-22	1954-10-13
1955	1955-05-05	1955-09-20
1956	1956-05-13	1956-09-06
1957	1957-04-27	1957-09-23
1958	1958-06-01	1958-09-26
1959	1959-05-07	1959-09-30
1960	1960-04-15	1960-09-10
1961	1961-05-15	1961-09-14
1962	1962-04-27	1962-09-11
1963	1963-05-10	1963-10-08
1964	1964-05-08	1964-09-12
1965	1965-05-04	1965-09-23
1966	1966-06-05	1966-09-03
1967	1967-06-04	1967-08-04
1968	1968-06-06	1968-08-26
1969	1969-04-28	1969-09-14
1970	1970-05-10	1970-09-25
1971	1971-05-19	1971-09-12
1972	1972-06-16	1972-09-18
1973	1973-06-06	1973-09-06
1974	1974-04-29	1974-08-27
1975	1975-05-21	1975-08-27
1977	1977-05-18	1977-09-02
1978	1978-05-27	1978-09-22
1979	1979-05-09	1979-08-31
1980	1980-05-24	1980-09-23
1981	1981-05-26	1981-07-21
1982	1982-05-08	1982-07-26
1983	1983-06-13	1983-09-21
1984	1984-06-07	1984-08-11
1985	1985-04-22	1985-09-21
1987	1987-05-11	1987-08-19
1988	1988-05-28	1988-08-15
1989	1989-05-19	1989-09-10
1990	1990-04-25	1990-09-03
1991	1991-04-08	1991-09-17
1992	1992-05-23	1992-08-28
1993	1993-05-11	1993-09-15
1994	1994-04-27	1994-09-17
1995	1995-06-08	1995-09-08
1996	1996-05-19	1996-08-27
1997	1997-06-11	1997-09-03
1998	1998-03-31	1998-09-15
1999	1999-05-31	1999-09-07
2000	2000-05-08	2000-09-03
2002	2002-04-17	2002-09-10
2003	2003-04-16	2003-08-31
2004	2004-05-13	2004-08-30
2005	2005-06-06	2005-09-15
2006	2006-05-30	2006-08-19
2007	2007-05-15	2007-09-25
2008	2008-06-06	2008-09-14
2009	2009-04-26	2009-08-19
2010	2010-05-02	2010-09-25
2011	2011-05-27	2011-09-05
2012	2012-04-17	2012-09-07
2013	2013-05-22	2013-09-12
2014	2014-06-03	2014-09-06
2015	2015-05-09	2015-09-10
2016	2016-05-26	2016-09-24
2017	2017-05-18	2017-09-28
2018	2018-05-02	2018-09-07
2019	2019-05-20	2019-10-02
2020	2020-05-27	2020-09-11
2021	2021-05-20	2021-08-28
2022	2022-05-22	2022-08-30
2023	2023-04-14	2023-09-08
2024	2024-05-22	2024-08-29
2025	2025-04-30	2025-08-18
2026	2026-04-17	2026-08-09

Every Fixed Threshold

Fixed thresholds at Elmira
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	97	73	1949	27
35 C (95 F): Days	61	18	1955	4
40 C (104 F): Days	1	2	1953	2
90 F (32.2 C): Days	96	45	1949	12
100 F (37.8 C): Days	13	7	1953	1
0 C (32 F): Ice days (max	97	68	1904	35
0 C (32 F): Frost days (min	121	174	1967	100
-10 C (14 F): Days with min	121	62	1962	33
-20 C (-4 F): Days with min	83	22	2015	5
-30 C (-22 F): Days with min	1	1	1904	1
20 C (68 F): Tropical nights (min	105	30	1898	4
25 C (77 F): Days with min	8	1	1896	1
10 mm (0.39 in): Days with 10 mm or more rain	129	45	2011	29
25 mm (0.98 in): Days with 25 mm or more rain	129	15	2006	4
50 mm (1.97 in): Days with 50 mm or more rain	73	4	2018	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	2003	1
10 cm (3.9 in): Days with 10 cm or more snowfall	92	9	1958	1
25 cm (9.8 in): Days with 25 cm or more snowfall	24	3	1994	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	0	n/a	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Elmira 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).

Elmira Threshold Days by Year (USC00302610)

Key Facts for Elmira Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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