Hebron Threshold Days by Year (USC00324102)

17 fixed thresholds counted per year at Hebron (USC00324102): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hebron Thresholds

Hebron: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1988 with 58.
Hebron: days with a maximum temperature at or above 90 F (32.2 C) in 51 years, most in 1988 with 43.
Hebron: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1978 with 110.
Hebron: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 2002 with 214.
17 fixed thresholds have at least one qualifying day at Hebron.

Days at or above 30 C (86 F)

51 years with a qualifying day

Days per year at Hebron with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1988.

Days at or above 30 C (86 F) per year at Hebron
Year	Days	Decade average
1964	36	31.3
1965	19	31.3
1966	38	31.3
1967	34	31.3
1968	25	31.3
1969	36	31.3
1970	53	35.3
1971	32	35.3
1972	25	35.3
1973	36	35.3
1974	38	35.3
1975	26	35.3
1976	41	35.3
1977	32	35.3
1978	38	35.3
1979	32	35.3
1980	50	50
1988	58	50
1989	42	50
1990	49	26
1991	28	26
1992	21	26
1993	7	26
1994	24	26
1995	25	26
1996	26	26
1997	28	26
1998	31	26
1999	21	26
2000	35	35.9
2001	38	35.9
2002	32	35.9
2003	51	35.9
2005	30	35.9
2006	45	35.9
2007	43	35.9
2008	32	35.9
2009	17	35.9
2010	23	28
2011	19	28
2012	41	28
2013	26	28
2014	13	28
2015	34	28
2016	29	28
2017	44	28
2018	34	28
2019	17	28
2020	37	32.3
2022	36	32.3
2023	24	32.3

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

First to last qualifying date each year at Hebron
Year	First date	Last date
1964	1964-05-20	1964-09-17
1965	1965-05-20	1965-08-16
1966	1966-05-04	1966-09-20
1967	1967-05-22	1967-09-23
1968	1968-05-01	1968-09-15
1969	1969-05-15	1969-09-14
1970	1970-05-18	1970-10-06
1971	1971-07-03	1971-09-07
1972	1972-05-17	1972-09-20
1973	1973-06-01	1973-09-01
1974	1974-06-20	1974-09-27
1975	1975-06-25	1975-08-29
1976	1976-06-03	1976-09-18
1977	1977-04-10	1977-09-06
1978	1978-06-10	1978-09-26
1979	1979-05-17	1979-09-27
1980	1980-04-19	1980-10-09
1988	1988-04-08	1988-09-07
1989	1989-04-23	1989-10-01
1990	1990-04-22	1990-09-27
1991	1991-06-12	1991-09-08
1992	1992-05-07	1992-10-02
1993	1993-06-21	1993-09-12
1994	1994-05-18	1994-09-23
1995	1995-06-14	1995-09-16
1996	1996-06-09	1996-09-05
1997	1997-06-01	1997-10-03
1998	1998-05-18	1998-09-11
1999	1999-06-22	1999-09-01
2000	2000-06-08	2000-09-29
2001	2001-04-28	2001-09-06
2002	2002-05-29	2002-09-18
2003	2003-04-14	2003-10-20
2005	2005-06-23	2005-10-02
2006	2006-05-19	2006-09-14
2007	2007-05-10	2007-09-30
2008	2008-06-24	2008-09-19
2009	2009-06-26	2009-09-20
2010	2010-05-29	2010-09-26
2011	2011-06-03	2011-10-05
2012	2012-04-24	2012-09-16
2013	2013-05-14	2013-09-07
2014	2014-05-24	2014-09-27
2015	2015-06-28	2015-09-27
2016	2016-05-06	2016-09-02
2017	2017-05-08	2017-09-13
2018	2018-05-17	2018-09-04
2019	2019-06-04	2019-09-18
2020	2020-05-23	2020-09-03
2022	2022-06-19	2022-09-20
2023	2023-06-05	2023-09-04

Every Fixed Threshold

Fixed thresholds at Hebron
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	51	58	1988	24
35 C (95 F): Days	46	26	1988	5
40 C (104 F): Days	14	2	1978	1
90 F (32.2 C): Days	51	43	1988	10
100 F (37.8 C): Days	27	11	1988	2
0 C (32 F): Ice days (max	51	110	1978	92
0 C (32 F): Frost days (min	51	214	2002	191
-10 C (14 F): Days with min	51	116	1996	110
-20 C (-4 F): Days with min	51	59	1978	22
-30 C (-22 F): Days with min	49	17	1972	2
-40 C (-40 F): Days with min	2	1	1966	1
20 C (68 F): Tropical nights (min	26	7	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	48	27	2019	1
25 mm (0.98 in): Days with 25 mm or more rain	45	8	2005	5
50 mm (1.97 in): Days with 50 mm or more rain	22	2	1967	2
10 cm (3.9 in): Days with 10 cm or more snowfall	29	8	2009	7
25 cm (9.8 in): Days with 25 cm or more snowfall	5	2	2009	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

Data for Hebron 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).

Hebron Threshold Days by Year (USC00324102)

Key Facts for Hebron Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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