Fairfield Threshold Days by Year (USC00042934)

14 fixed thresholds counted per year at Fairfield (USC00042934): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fairfield Thresholds

Fairfield: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1983 with 44.
Fairfield: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1984 with 129.
Fairfield: days with a maximum temperature at or above 35 C (95 F) in 70 years, most in 1984 with 75.
Fairfield: days with a maximum temperature at or above 90 F (32.2 C) in 70 years, most in 1984 with 100.
14 fixed thresholds have at least one qualifying day at Fairfield.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Fairfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1984.

Days at or above 30 C (86 F) per year at Fairfield
Year	Days	Decade average
1951	76	76
1955	55	76
1956	68	76
1958	85	76
1959	96	76
1960	79	76.9
1961	85	76.9
1962	70	76.9
1963	71	76.9
1964	81	76.9
1965	69	76.9
1966	67	76.9
1967	104	76.9
1968	64	76.9
1969	79	76.9
1970	81	69.4
1971	71	69.4
1972	63	69.4
1973	61	69.4
1974	71	69.4
1975	54	69.4
1977	56	69.4
1978	68	69.4
1979	100	69.4
1980	78	94.2
1981	112	94.2
1982	88	94.2
1983	94	94.2
1984	129	94.2
1985	109	94.2
1986	109	94.2
1987	71	94.2
1988	82	94.2
1989	70	94.2
1990	75	84
1991	75	84
1992	102	84
1993	80	84
1994	81	84
1995	78	84
1996	101	84
1997	100	84
1998	72	84
1999	76	84
2000	78	89.4
2001	104	89.4
2002	101	89.4
2003	98	89.4
2004	91	89.4
2005	79	89.4
2006	88	89.4
2007	76	89.4
2008	103	89.4
2009	76	89.4
2010	60	84.2
2011	72	84.2
2012	94	84.2
2014	90	84.2
2015	94	84.2
2016	86	84.2
2017	91	84.2
2018	84	84.2
2019	87	84.2
2020	120	99.3
2021	105	99.3
2022	104	99.3
2023	80	99.3
2024	114	99.3
2025	90	99.3
2026	82	99.3

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

First to last qualifying date each year at Fairfield
Year	First date	Last date
1951	1951-04-09	1951-10-15
1955	1955-05-10	1955-10-29
1956	1956-05-15	1956-09-30
1958	1958-04-12	1958-10-18
1959	1959-04-23	1959-10-25
1960	1960-05-10	1960-09-26
1961	1961-04-03	1961-10-16
1962	1962-04-13	1962-10-02
1963	1963-05-16	1963-10-02
1964	1964-04-13	1964-10-22
1965	1965-04-25	1965-10-27
1966	1966-03-31	1966-11-01
1967	1967-05-15	1967-11-02
1968	1968-04-27	1968-10-27
1969	1969-05-06	1969-10-01
1970	1970-05-03	1970-10-12
1971	1971-06-14	1971-10-13
1972	1972-05-02	1972-10-07
1973	1973-05-11	1973-09-30
1974	1974-05-26	1974-10-20
1975	1975-05-13	1975-10-06
1977	1977-05-31	1977-10-16
1978	1978-05-14	1978-10-23
1979	1979-05-13	1979-10-11
1980	1980-04-28	1980-10-23
1981	1981-04-23	1981-10-24
1982	1982-04-30	1982-10-15
1983	1983-05-17	1983-10-23
1984	1984-04-14	1984-10-09
1985	1985-04-04	1985-10-06
1986	1986-04-21	1986-10-10
1987	1987-04-16	1987-10-18
1988	1988-03-26	1988-10-20
1989	1989-04-06	1989-10-18
1990	1990-04-13	1990-10-12
1991	1991-05-23	1991-10-20
1992	1992-04-19	1992-10-12
1993	1993-04-29	1993-10-27
1994	1994-05-23	1994-10-02
1995	1995-05-19	1995-10-19
1996	1996-04-26	1996-10-09
1997	1997-04-16	1997-10-18
1998	1998-04-29	1998-10-21
1999	1999-04-15	1999-10-16
2000	2000-04-03	2000-10-02
2001	2001-04-25	2001-10-16
2002	2002-04-13	2002-10-10
2003	2003-05-19	2003-10-28
2004	2004-03-16	2004-10-14
2005	2005-05-25	2005-10-18
2006	2006-05-10	2006-10-23
2007	2007-04-28	2007-10-03
2008	2008-04-13	2008-11-15
2009	2009-04-20	2009-09-28
2010	2010-05-31	2010-10-15
2011	2011-05-05	2011-10-22
2012	2012-04-20	2012-10-18
2014	2014-04-29	2014-10-13
2015	2015-04-27	2015-10-23
2016	2016-04-18	2016-10-07
2017	2017-05-01	2017-10-27
2018	2018-05-28	2018-10-13
2019	2019-04-22	2019-10-24
2020	2020-04-24	2020-10-21
2021	2021-04-17	2021-10-05
2022	2022-03-23	2022-10-20
2023	2023-04-26	2023-10-20
2024	2024-04-10	2024-10-09
2025	2025-05-08	2025-10-08
2026	2026-03-17	2026-09-30

Every Fixed Threshold

Fixed thresholds at Fairfield
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	129	1984	82
35 C (95 F): Days	70	75	1984	19
40 C (104 F): Days	54	17	1984	1
45 C (113 F): Days	3	2	2006	2
90 F (32.2 C): Days	70	100	1984	51
100 F (37.8 C): Days	69	47	1984	6
110 F (43.3 C): Days	13	4	1984	1
0 C (32 F): Ice days (max	1	1	1972	1
0 C (32 F): Frost days (min	65	66	1985	6
20 C (68 F): Tropical nights (min	42	13	2017	5
10 mm (0.39 in): Days with 10 mm or more rain	71	44	1983	8
25 mm (0.98 in): Days with 25 mm or more rain	68	15	1996	1
50 mm (1.97 in): Days with 50 mm or more rain	45	4	1982	2
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

Data for Fairfield 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Fairfield Threshold Days by Year (USC00042934)

Key Facts for Fairfield Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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