Yorktown Hts 1W Threshold Days by Year (USC00309670)

18 fixed thresholds counted per year at Yorktown Hts 1W (USC00309670): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Yorktown Hts 1W Thresholds

Yorktown Hts 1W: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1966 with 53.
Yorktown Hts 1W: days with a maximum temperature at or below 0 C (32 F) in 50 years, most in 1978 with 52.
Yorktown Hts 1W: nights with a minimum temperature at or below 0 C (32 F) in 50 years, most in 2016 with 146.
Yorktown Hts 1W: nights with a minimum temperature at or below -10 C (14 F) in 50 years, most in 1980 with 47.
18 fixed thresholds have at least one qualifying day at Yorktown Hts 1W.

Days at or above 30 C (86 F)

50 years with a qualifying day

Days per year at Yorktown Hts 1W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 1966.

Days at or above 30 C (86 F) per year at Yorktown Hts 1W
Year	Days	Decade average
1966	53	27.8
1967	16	27.8
1968	24	27.8
1969	18	27.8
1970	24	20
1971	18	20
1972	19	20
1973	26	20
1974	21	20
1975	13	20
1976	12	20
1977	28	20
1978	17	20
1979	22	20
1980	39	24.1
1981	26	24.1
1982	13	24.1
1983	47	24.1
1984	21	24.1
1985	9	24.1
1986	9	24.1
1987	29	24.1
1988	34	24.1
1989	14	24.1
1990	15	24.2
1991	35	24.2
1992	10	24.2
1993	31	24.2
1994	14	24.2
1995	24	24.2
1996	8	24.2
1997	24	24.2
1998	37	24.2
1999	44	24.2
2000	15	24.1
2001	29	24.1
2002	39	24.1
2003	18	24.1
2004	15	24.1
2005	33	24.1
2006	21	24.1
2007	37	24.1
2008	20	24.1
2009	14	24.1
2010	43	39
2011	26	39
2012	37	39
2013	26	39
2015	50	39
2016	52	39

For each year, a bar from the first to the last day at Yorktown Hts 1W meeting 30 C (86 F).

First to last qualifying date each year at Yorktown Hts 1W
Year	First date	Last date
1966	1966-06-04	1966-09-02
1967	1967-06-02	1967-08-18
1968	1968-06-07	1968-08-26
1969	1969-05-30	1969-09-08
1970	1970-05-11	1970-09-26
1971	1971-06-08	1971-09-10
1972	1972-07-03	1972-09-19
1973	1973-06-06	1973-09-05
1974	1974-04-30	1974-08-22
1975	1975-05-21	1975-08-06
1976	1976-04-18	1976-08-23
1977	1977-04-13	1977-09-04
1978	1978-05-21	1978-08-20
1979	1979-05-10	1979-08-28
1980	1980-05-24	1980-09-23
1981	1981-05-26	1981-09-15
1982	1982-07-09	1982-09-13
1983	1983-06-13	1983-09-21
1984	1984-06-06	1984-08-17
1985	1985-04-23	1985-09-07
1986	1986-05-19	1986-07-26
1987	1987-05-18	1987-08-20
1988	1988-06-01	1988-08-16
1989	1989-05-21	1989-09-11
1990	1990-04-28	1990-08-19
1991	1991-04-08	1991-09-18
1992	1992-05-22	1992-08-27
1993	1993-05-12	1993-09-16
1994	1994-05-24	1994-07-26
1995	1995-06-19	1995-09-08
1996	1996-05-20	1996-08-27
1997	1997-06-11	1997-08-18
1998	1998-04-01	1998-09-28
1999	1999-05-30	1999-09-04
2000	2000-05-06	2000-08-08
2001	2001-04-23	2001-08-11
2002	2002-04-17	2002-09-11
2003	2003-04-17	2003-08-23
2004	2004-05-13	2004-08-29
2005	2005-06-06	2005-09-14
2006	2006-05-30	2006-08-08
2007	2007-05-26	2007-10-09
2008	2008-06-08	2008-09-15
2009	2009-04-26	2009-08-22
2010	2010-04-08	2010-09-08
2011	2011-04-28	2011-09-15
2012	2012-04-17	2012-09-07
2013	2013-05-22	2013-09-12
2015	2015-05-05	2015-09-19
2016	2016-05-26	2016-09-23

Every Fixed Threshold

Fixed thresholds at Yorktown Hts 1W
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	50	53	1966	52
35 C (95 F): Days	21	4	1966	3
90 F (32.2 C): Days	49	23	1966	19
100 F (37.8 C): Days	3	1	1995	1
0 C (32 F): Ice days (max	50	52	1978	19
0 C (32 F): Frost days (min	50	146	2016	146
-10 C (14 F): Days with min	50	47	1980	18
-20 C (-4 F): Days with min	22	8	2015	2
20 C (68 F): Tropical nights (min	50	37	2005	13
25 C (77 F): Days with min	5	2	2006	2
10 mm (0.39 in): Days with 10 mm or more rain	46	54	1994	31
25 mm (0.98 in): Days with 25 mm or more rain	46	23	1983	9
50 mm (1.97 in): Days with 50 mm or more rain	46	6	1977	2
100 mm (3.94 in): Days with 100 mm or more rain	7	3	2005	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	43	9	1996	3
25 cm (9.8 in): Days with 25 cm or more snowfall	15	2	1969	2
50 cm (19.7 in): Days with 50 cm or more snowfall	3	1	1983	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

Data for Yorktown Hts 1W 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).

Yorktown Hts 1W Threshold Days by Year (USC00309670)

Key Facts for Yorktown Hts 1W Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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