Hillsborough Threshold Days by Year (UKE00105876)

6 fixed thresholds counted per year at Hillsborough (UKE00105876): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hillsborough Thresholds

Hillsborough: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1969 with 83.
Hillsborough: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1966 with 33.
Hillsborough: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 2002 with 5.
Hillsborough: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 2010 with 5.
6 fixed thresholds have at least one qualifying day at Hillsborough.

Nights at or below 0 C (32 F)

56 years with a qualifying day

Days per year at Hillsborough with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 83 in 1969.

Nights at or below 0 C (32 F) per year at Hillsborough
Year	Days	Decade average
1960	48	53.2
1961	35	53.2
1962	53	53.2
1963	73	53.2
1964	35	53.2
1965	56	53.2
1966	42	53.2
1967	39	53.2
1968	68	53.2
1969	83	53.2
1970	66	44.3
1971	34	44.3
1972	30	44.3
1973	38	44.3
1974	24	44.3
1975	32	44.3
1976	51	44.3
1977	42	44.3
1978	46	44.3
1979	80	44.3
1980	41	44.6
1981	48	44.6
1982	39	44.6
1983	36	44.6
1984	36	44.6
1985	67	44.6
1986	64	44.6
1987	47	44.6
1988	39	44.6
1989	29	44.6
1990	23	33.6
1991	32	33.6
1992	24	33.6
1993	34	33.6
1994	28	33.6
1995	44	33.6
1996	53	33.6
1997	22	33.6
1998	32	33.6
1999	44	33.6
2000	36	39
2001	52	39
2002	27	39
2003	46	39
2004	34	39
2010	83	36.8
2011	39	36.8
2012	24	36.8
2013	47	36.8
2014	14	36.8
2015	34	36.8
2016	30	36.8
2018	37	36.8
2019	23	36.8
2020	19	10
2026	1	10

For each year, a bar from the first to the last day at Hillsborough meeting 0 C (32 F).

First to last qualifying date each year at Hillsborough
Year	First date	Last date
1960	1960-01-06	1960-12-29
1961	1961-01-03	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-01	1963-12-22
1964	1964-01-17	1964-12-29
1965	1965-01-02	1965-12-29
1966	1966-01-03	1966-12-26
1967	1967-01-02	1967-12-31
1968	1968-01-01	1968-12-31
1969	1969-01-05	1969-12-28
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-30
1972	1972-01-04	1972-12-30
1973	1973-01-16	1973-12-17
1974	1974-01-08	1974-11-21
1975	1975-01-18	1975-12-18
1976	1976-01-24	1976-12-31
1977	1977-01-01	1977-12-09
1978	1978-01-10	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-27
1981	1981-01-05	1981-12-26
1982	1982-01-01	1982-12-23
1983	1983-01-14	1983-12-11
1984	1984-01-03	1984-12-27
1985	1985-01-01	1985-12-30
1986	1986-01-01	1986-12-23
1987	1987-01-03	1987-12-13
1988	1988-01-04	1988-11-25
1989	1989-02-16	1989-12-27
1990	1990-01-24	1990-12-16
1991	1991-01-01	1991-12-12
1992	1992-01-09	1992-12-30
1993	1993-01-11	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-26	1996-12-31
1997	1997-01-01	1997-12-18
1998	1998-01-05	1998-12-29
1999	1999-01-05	1999-12-29
2000	2000-01-13	2000-12-31
2001	2001-01-06	2001-12-31
2002	2002-01-01	2002-12-19
2003	2003-01-03	2003-12-31
2004	2004-01-17	2004-12-26
2010	2010-01-01	2010-12-26
2011	2011-01-02	2011-12-18
2012	2012-01-03	2012-12-18
2013	2013-01-09	2013-12-30
2014	2014-01-11	2014-12-28
2015	2015-01-04	2015-12-28
2016	2016-01-09	2016-11-26
2018	2018-01-05	2018-11-01
2019	2019-01-17	2019-12-31
2020	2020-01-19	2020-12-31
2026	2026-04-02	2026-04-02

Every Fixed Threshold

Fixed thresholds at Hillsborough
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	13	5	2010	5
0 C (32 F): Frost days (min	56	83	1969	1
-10 C (14 F): Days with min	4	6	2010	6
10 mm (0.39 in): Days with 10 mm or more rain	54	33	1966	8
25 mm (0.98 in): Days with 25 mm or more rain	46	5	2002	3
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1967	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Hillsborough 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).

Hillsborough Threshold Days by Year (UKE00105876)

Key Facts for Hillsborough Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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