Richland Ctr Threshold Days by Year (USC00477158)

20 fixed thresholds counted per year at Richland Ctr (USC00477158): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Richland Ctr Thresholds

Richland Ctr: days with a maximum temperature at or above 30 C (86 F) in 88 years, most in 1931 with 69.
Richland Ctr: days with a maximum temperature at or below 0 C (32 F) in 88 years, most in 2014 with 85.
Richland Ctr: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1996 with 184.
Richland Ctr: nights with a minimum temperature at or below -10 C (14 F) in 88 years, most in 1978 with 87.
20 fixed thresholds have at least one qualifying day at Richland Ctr.

Days at or above 30 C (86 F)

88 years with a qualifying day

Days per year at Richland Ctr with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 69 in 1931.

Days at or above 30 C (86 F) per year at Richland Ctr
Year	Days	Decade average
1922	42	35.1
1923	57	35.1
1924	13	35.1
1925	33	35.1
1926	25	35.1
1927	33	35.1
1928	30	35.1
1929	48	35.1
1930	62	47.7
1931	69	47.7
1932	28	47.7
1933	55	47.7
1934	56	47.7
1935	31	47.7
1936	56	47.7
1937	52	47.7
1938	23	47.7
1939	45	47.7
1940	41	49.5
1941	55	49.5
1942	27	49.5
1943	61	49.5
1944	65	49.5
1945	24	49.5
1946	40	49.5
1947	62	49.5
1948	56	49.5
1949	64	49.5
1950	33	38.3
1951	19	38.3
1952	48	38.3
1953	41	38.3
1954	38	38.3
1955	61	38.3
1956	36	38.3
1957	40	38.3
1958	28	38.3
1959	39	38.3
1960	22	34.6
1961	35	34.6
1962	26	34.6
1963	50	34.6
1964	44	34.6
1965	25	34.6
1966	39	34.6
1967	29	34.6
1968	41	34.6
1969	35	34.6
1970	52	43
1971	45	43
1972	47	43
1973	39	43
1974	33	43
1975	59	43
1976	67	43
1977	36	43
1978	27	43
1979	25	43
1980	46	37.6
1981	6	37.6
1982	19	37.6
1983	58	37.6
1984	36	37.6
1985	36	37.6
1986	32	37.6
1988	68	37.6
1992	11	22.1
1993	14	22.1
1994	18	22.1
1995	39	22.1
1996	16	22.1
1997	18	22.1
1998	28	22.1
1999	33	22.1
2000	15	25.6
2001	35	25.6
2002	33	25.6
2003	35	25.6
2005	29	25.6
2006	26	25.6
2007	32	25.6
2008	14	25.6
2009	11	25.6
2010	25	32.8
2011	40	32.8
2012	61	32.8
2013	28	32.8
2014	10	32.8

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

First to last qualifying date each year at Richland Ctr
Year	First date	Last date
1922	1922-05-10	1922-10-05
1923	1923-05-27	1923-09-05
1924	1924-06-19	1924-08-30
1925	1925-04-22	1925-09-19
1926	1926-05-01	1926-09-17
1927	1927-05-21	1927-09-17
1928	1928-05-02	1928-10-11
1929	1929-05-28	1929-09-27
1930	1930-04-10	1930-09-23
1931	1931-05-27	1931-09-20
1932	1932-05-14	1932-08-30
1933	1933-06-04	1933-09-09
1934	1934-05-05	1934-08-18
1935	1935-06-13	1935-09-24
1936	1936-05-06	1936-09-22
1937	1937-05-30	1937-09-23
1938	1938-06-21	1938-09-10
1939	1939-04-24	1939-09-28
1940	1940-05-13	1940-09-20
1941	1941-05-15	1941-09-21
1942	1942-04-30	1942-09-01
1943	1943-05-29	1943-09-04
1944	1944-05-15	1944-09-18
1945	1945-06-23	1945-09-09
1946	1946-05-27	1946-08-26
1947	1947-06-09	1947-10-21
1948	1948-05-20	1948-09-20
1949	1949-05-03	1949-10-08
1950	1950-05-24	1950-10-18
1951	1951-05-18	1951-08-30
1952	1952-04-28	1952-09-28
1953	1953-05-29	1953-10-16
1954	1954-06-11	1954-09-07
1955	1955-05-03	1955-09-19
1956	1956-05-22	1956-09-03
1957	1957-04-30	1957-09-02
1958	1958-06-28	1958-09-03
1959	1959-05-02	1959-09-09
1960	1960-04-23	1960-09-08
1961	1961-06-10	1961-09-11
1962	1962-05-16	1962-08-30
1963	1963-06-02	1963-10-07
1964	1964-05-19	1964-09-10
1965	1965-05-02	1965-08-16
1966	1966-05-26	1966-09-02
1967	1967-05-18	1967-10-04
1968	1968-05-15	1968-09-04
1969	1969-05-05	1969-08-31
1970	1970-04-29	1970-09-08
1971	1971-06-04	1971-10-01
1972	1972-05-18	1972-09-16
1973	1973-06-08	1973-09-02
1974	1974-05-21	1974-08-26
1975	1975-05-18	1975-10-14
1976	1976-06-07	1976-10-02
1977	1977-05-15	1977-08-28
1978	1978-05-26	1978-09-12
1979	1979-05-10	1979-09-06
1980	1980-04-22	1980-09-09
1981	1981-06-06	1981-09-12
1982	1982-05-17	1982-09-12
1983	1983-06-11	1983-09-10
1984	1984-06-06	1984-09-25
1985	1985-04-19	1985-09-20
1986	1986-06-01	1986-09-27
1988	1988-05-08	1988-09-18
1992	1992-05-01	1992-08-24
1993	1993-06-22	1993-08-26
1994	1994-04-18	1994-09-15
1995	1995-06-18	1995-09-14
1996	1996-05-18	1996-09-07
1997	1997-06-14	1997-10-06
1998	1998-05-15	1998-09-14
1999	1999-05-29	1999-09-05
2000	2000-06-09	2000-09-19
2001	2001-05-16	2001-08-10
2002	2002-04-16	2002-09-10
2003	2003-04-15	2003-09-12
2005	2005-06-07	2005-10-05
2006	2006-05-29	2006-08-05
2007	2007-04-30	2007-10-08
2008	2008-06-08	2008-09-03
2009	2009-04-25	2009-08-15
2010	2010-05-24	2010-10-10
2011	2011-05-11	2011-09-02
2012	2012-05-16	2012-09-14
2013	2013-05-01	2013-09-20
2014	2014-05-31	2014-08-30

Every Fixed Threshold

Fixed thresholds at Richland Ctr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	88	69	1931	10
35 C (95 F): Days	57	29	1931	12
40 C (104 F): Days	2	4	1936	1
90 F (32.2 C): Days	86	47	1931	2
100 F (37.8 C): Days	12	11	1936	6
110 F (43.3 C): Days	1	1	1936	1
0 C (32 F): Ice days (max	88	85	2014	85
0 C (32 F): Frost days (min	88	184	1996	173
-10 C (14 F): Days with min	88	87	1978	86
-20 C (-4 F): Days with min	88	44	2008	38
-30 C (-22 F): Days with min	47	12	1936	3
-40 C (-40 F): Days with min	2	2	1951	2
20 C (68 F): Tropical nights (min	86	21	1940	5
25 C (77 F): Days with min	8	2	1976	1
10 mm (0.39 in): Days with 10 mm or more rain	88	39	1965	29
25 mm (0.98 in): Days with 25 mm or more rain	88	17	1978	9
50 mm (1.97 in): Days with 50 mm or more rain	63	6	1961	2
100 mm (3.94 in): Days with 100 mm or more rain	11	2	1978	1
10 cm (3.9 in): Days with 10 cm or more snowfall	72	10	1985	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

Data for Richland Ctr 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).

Richland Ctr Threshold Days by Year (USC00477158)

Key Facts for Richland Ctr Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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