Westchester Co AP Threshold Days by Year (USW00094745)

17 fixed thresholds counted per year at Westchester Co AP (USW00094745): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westchester Co AP Thresholds

Westchester Co AP: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1983 with 58.
Westchester Co AP: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 2011 with 24.
Westchester Co AP: days with 50 mm (1.97 in) or more of precipitation in 75 years, most in 1983 with 10.
Westchester Co AP: days with a maximum temperature at or above 30 C (86 F) in 73 years, most in 1983 with 51.
17 fixed thresholds have at least one qualifying day at Westchester Co AP.

Days at or above 30 C (86 F)

73 years with a qualifying day

Days per year at Westchester Co AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1983.

Days at or above 30 C (86 F) per year at Westchester Co AP
Year	Days	Decade average
1953	39	28.7
1954	19	28.7
1955	32	28.7
1956	19	28.7
1957	26	28.7
1958	24	28.7
1959	42	28.7
1960	16	26.6
1961	36	26.6
1962	19	26.6
1963	22	26.6
1964	30	26.6
1965	35	26.6
1966	40	26.6
1967	12	26.6
1968	28	26.6
1969	28	26.6
1970	27	17.1
1971	24	17.1
1972	13	17.1
1973	23	17.1
1974	16	17.1
1975	18	17.1
1976	11	17.1
1977	21	17.1
1978	12	17.1
1979	6	17.1
1980	26	23.5
1981	13	23.5
1982	14	23.5
1983	51	23.5
1984	20	23.5
1985	16	23.5
1986	9	23.5
1987	27	23.5
1988	35	23.5
1989	24	23.5
1990	17	25.8
1991	38	25.8
1992	9	25.8
1993	33	25.8
1995	28	25.8
1996	17	25.8
1997	26	25.8
1998	26	25.8
1999	38	25.8
2000	14	21.1
2001	22	21.1
2002	39	21.1
2003	19	21.1
2004	6	21.1
2005	31	21.1
2006	23	21.1
2007	23	21.1
2008	21	21.1
2009	13	21.1
2010	50	31.3
2011	26	31.3
2012	34	31.3
2013	21	31.3
2014	14	31.3
2015	32	31.3
2016	40	31.3
2017	23	31.3
2018	41	31.3
2019	32	31.3
2020	34	31.3
2021	26	31.3
2022	43	31.3
2023	27	31.3
2024	30	31.3
2025	35	31.3
2026	24	31.3

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

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

Every Fixed Threshold

Fixed thresholds at Westchester Co AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	73	51	1983	24
35 C (95 F): Days	37	10	1999	2
90 F (32.2 C): Days	72	30	1983	10
100 F (37.8 C): Days	5	1	1953	1
0 C (32 F): Ice days (max	73	55	1978	24
0 C (32 F): Frost days (min	66	131	1976	73
-10 C (14 F): Days with min	66	38	1963	17
-20 C (-4 F): Days with min	14	5	1979	1
20 C (68 F): Tropical nights (min	66	44	2018	18
25 C (77 F): Days with min	14	3	2022	1
10 mm (0.39 in): Days with 10 mm or more rain	80	58	1983	21
25 mm (0.98 in): Days with 25 mm or more rain	80	24	2011	8
50 mm (1.97 in): Days with 50 mm or more rain	75	10	1983	4
100 mm (3.94 in): Days with 100 mm or more rain	22	2	1989	1
10 cm (3.9 in): Days with 10 cm or more snowfall	46	6	1996	3
25 cm (9.8 in): Days with 25 cm or more snowfall	16	3	1958	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

Data for Westchester Co AP 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Westchester Co AP Threshold Days by Year (USW00094745)

Key Facts for Westchester Co AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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