Anderson Threshold Days by Year (USC00230164)

18 fixed thresholds counted per year at Anderson (USC00230164): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Anderson Thresholds

Anderson: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 1953 with 124.
Anderson: days with a maximum temperature at or above 90 F (32.2 C) in 63 years, most in 1954 with 99.
Anderson: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1978 with 35.
Anderson: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1949 with 137.
18 fixed thresholds have at least one qualifying day at Anderson.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Anderson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 124 in 1953.

Days at or above 30 C (86 F) per year at Anderson
Year	Days	Decade average
1945	45	76.8
1946	91	76.8
1947	91	76.8
1948	80	76.8
1949	77	76.8
1950	41	88.1
1951	78	88.1
1952	106	88.1
1953	124	88.1
1954	116	88.1
1955	90	88.1
1956	99	88.1
1957	67	88.1
1958	78	88.1
1959	82	88.1
1960	82	71
1961	62	71
1962	83	71
1963	103	71
1964	67	71
1965	67	71
1966	52	71
1967	49	71
1968	66	71
1969	79	71
1970	77	69.8
1971	74	69.8
1972	79	69.8
1973	68	69.8
1974	59	69.8
1975	78	69.8
1976	42	69.8
1977	80	69.8
1978	87	69.8
1979	54	69.8
1980	103	72.2
1981	63	72.2
1982	71	72.2
1983	75	72.2
1984	76	72.2
1985	66	72.2
1986	65	72.2
1987	76	72.2
1988	80	72.2
1989	47	72.2
1990	81	64.5
1991	93	64.5
1992	39	64.5
1993	54	64.5
1994	58	64.5
1995	59	64.5
1996	55	64.5
1997	48	64.5
1998	93	64.5
1999	65	64.5
2000	76	69.5
2001	80	69.5
2002	74	69.5
2003	57	69.5
2004	36	69.5
2005	92	69.5
2006	80	69.5
2007	61	69.5

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

First to last qualifying date each year at Anderson
Year	First date	Last date
1945	1945-04-22	1945-11-07
1946	1946-04-01	1946-11-01
1947	1947-05-01	1947-10-22
1948	1948-04-07	1948-09-24
1949	1949-04-25	1949-10-10
1950	1950-05-05	1950-11-01
1951	1951-04-15	1951-10-05
1952	1952-04-28	1952-10-13
1953	1953-04-22	1953-10-18
1954	1954-04-05	1954-10-09
1955	1955-04-15	1955-10-06
1956	1956-03-06	1956-10-12
1957	1957-05-15	1957-09-20
1958	1958-04-23	1958-09-25
1959	1959-04-30	1959-09-28
1960	1960-05-22	1960-10-11
1961	1961-04-24	1961-09-24
1962	1962-04-29	1962-10-11
1963	1963-03-28	1963-10-14
1964	1964-05-20	1964-10-31
1965	1965-04-04	1965-10-10
1966	1966-05-07	1966-09-25
1967	1967-03-11	1967-10-05
1968	1968-05-02	1968-10-30
1969	1969-04-16	1969-10-04
1970	1970-05-20	1970-09-20
1971	1971-06-02	1971-09-29
1972	1972-04-12	1972-09-20
1973	1973-05-10	1973-10-04
1974	1974-03-31	1974-08-31
1975	1975-05-07	1975-10-12
1976	1976-06-13	1976-10-02
1977	1977-05-27	1977-10-27
1978	1978-05-23	1978-10-21
1979	1979-05-07	1979-10-20
1980	1980-04-21	1980-11-08
1981	1981-04-12	1981-10-05
1982	1982-04-16	1982-10-05
1983	1983-05-28	1983-10-03
1984	1984-05-12	1984-09-23
1985	1985-04-18	1985-09-22
1986	1986-06-10	1986-09-23
1987	1987-04-17	1987-09-14
1988	1988-04-04	1988-09-22
1989	1989-04-22	1989-10-14
1990	1990-05-25	1990-09-27
1991	1991-05-13	1991-10-18
1992	1992-06-16	1992-09-14
1993	1993-06-16	1993-09-22
1994	1994-06-05	1994-09-30
1995	1995-03-22	1995-09-14
1996	1996-02-22	1996-09-11
1997	1997-03-21	1997-09-19
1998	1998-05-18	1998-09-29
1999	1999-06-04	1999-09-07
2000	2000-05-08	2000-10-03
2001	2001-04-09	2001-09-14
2002	2002-04-17	2002-10-05
2003	2003-05-06	2003-08-28
2004	2004-06-13	2004-09-24
2005	2005-05-11	2005-10-19
2006	2006-04-13	2006-10-02
2007	2007-04-30	2007-10-07

Every Fixed Threshold

Fixed thresholds at Anderson
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	124	1953	61
35 C (95 F): Days	58	72	1954	12
40 C (104 F): Days	8	13	1954	1
90 F (32.2 C): Days	63	99	1954	25
100 F (37.8 C): Days	32	43	1954	5
110 F (43.3 C): Days	1	2	1954	2
0 C (32 F): Ice days (max	63	35	1978	14
0 C (32 F): Frost days (min	62	137	1949	100
-10 C (14 F): Days with min	62	35	1963	9
-20 C (-4 F): Days with min	35	8	1979	1
20 C (68 F): Tropical nights (min	62	65	1998	61
25 C (77 F): Days with min	15	5	2006	5
10 mm (0.39 in): Days with 10 mm or more rain	61	56	1973	40
25 mm (0.98 in): Days with 25 mm or more rain	61	21	1985	13
50 mm (1.97 in): Days with 50 mm or more rain	58	7	1970	2
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1993	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	3	1958	1
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1958	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Anderson 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).

Anderson Threshold Days by Year (USC00230164)

Key Facts for Anderson Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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