Parsons 3 SE Threshold Days by Year (USC00466867)

16 fixed thresholds counted per year at Parsons 3 SE (USC00466867): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Parsons 3 SE Thresholds

Parsons 3 SE: days with a maximum temperature at or above 30 C (86 F) in 91 years, most in 1921 with 82.
Parsons 3 SE: days with a maximum temperature at or below 0 C (32 F) in 91 years, most in 1978 with 47.
Parsons 3 SE: nights with a minimum temperature at or below 0 C (32 F) in 90 years, most in 1917 with 166.
Parsons 3 SE: nights with a minimum temperature at or below -10 C (14 F) in 90 years, most in 1968 with 52.
16 fixed thresholds have at least one qualifying day at Parsons 3 SE.

Days at or above 30 C (86 F)

91 years with a qualifying day

Days per year at Parsons 3 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 82 in 1921.

Days at or above 30 C (86 F) per year at Parsons 3 SE
Year	Days	Decade average
1899	37	37
1900	60	29
1901	46	29
1904	25	29
1905	19	29
1906	20	29
1907	8	29
1908	37	29
1909	17	29
1910	35	32.9
1911	54	32.9
1912	24	32.9
1913	39	32.9
1914	41	32.9
1915	22	32.9
1916	19	32.9
1917	19	32.9
1918	42	32.9
1919	34	32.9
1920	16	45.3
1921	82	45.3
1923	59	45.3
1924	34	45.3
1925	63	45.3
1928	18	45.3
1933	54	60.6
1934	68	60.6
1935	45	60.6
1936	75	60.6
1937	61	60.6
1940	42	34.3
1946	32	34.3
1947	39	34.3
1948	24	34.3
1950	17	24.3
1958	12	24.3
1959	44	24.3
1960	22	21.9
1961	19	21.9
1962	21	21.9
1963	14	21.9
1964	33	21.9
1965	22	21.9
1966	23	21.9
1967	12	21.9
1968	26	21.9
1969	27	21.9
1970	31	15.8
1971	19	15.8
1972	13	15.8
1973	37	15.8
1974	8	15.8
1975	17	15.8
1976	6	15.8
1977	17	15.8
1978	5	15.8
1979	5	15.8
1980	21	22.4
1981	11	22.4
1982	15	22.4
1983	32	22.4
1984	15	22.4
1985	11	22.4
1986	19	22.4
1987	36	22.4
1988	46	22.4
1989	18	22.4
1990	9	18.9
1991	32	18.9
1992	4	18.9
1993	37	18.9
1994	15	18.9
1995	24	18.9
1996	6	18.9
1997	6	18.9
1998	14	18.9
1999	42	18.9
2000	9	16.1
2001	15	16.1
2002	29	16.1
2003	10	16.1
2004	4	16.1
2005	28	16.1
2006	18	16.1
2011	20	35.2
2015	32	35.2
2016	54	35.2
2017	43	35.2
2018	20	35.2
2019	42	35.2
2020	27	27

For each year, a bar from the first to the last day at Parsons 3 SE meeting 30 C (86 F).

First to last qualifying date each year at Parsons 3 SE
Year	First date	Last date
1899	1899-06-04	1899-09-07
1900	1900-05-08	1900-09-28
1901	1901-06-05	1901-08-23
1904	1904-05-25	1904-10-18
1905	1905-05-04	1905-10-09
1906	1906-05-24	1906-09-19
1907	1907-05-14	1907-08-12
1908	1908-04-24	1908-09-25
1909	1909-06-21	1909-09-14
1910	1910-04-05	1910-10-18
1911	1911-05-11	1911-09-23
1912	1912-05-22	1912-09-14
1913	1913-04-25	1913-09-08
1914	1914-04-28	1914-09-22
1915	1915-04-25	1915-09-16
1916	1916-05-13	1916-08-20
1917	1917-06-12	1917-08-29
1918	1918-05-12	1918-08-26
1919	1919-05-27	1919-10-03
1920	1920-05-29	1920-10-23
1921	1921-04-25	1921-09-20
1923	1923-05-15	1923-09-07
1924	1924-05-07	1924-09-01
1925	1925-04-13	1925-09-22
1928	1928-06-18	1928-09-16
1933	1933-04-29	1933-09-25
1934	1934-05-06	1934-09-26
1935	1935-05-28	1935-09-25
1936	1936-05-01	1936-09-27
1937	1937-05-22	1937-09-23
1940	1940-05-06	1940-09-21
1946	1946-05-25	1946-10-07
1947	1947-05-28	1947-10-22
1948	1948-05-10	1948-08-30
1950	1950-05-05	1950-08-30
1958	1958-06-25	1958-08-13
1959	1959-05-03	1959-09-28
1960	1960-04-23	1960-09-08
1961	1961-06-12	1961-09-23
1962	1962-05-01	1962-09-13
1963	1963-05-09	1963-07-25
1964	1964-06-09	1964-09-12
1965	1965-06-07	1965-09-23
1966	1966-06-10	1966-08-08
1967	1967-06-12	1967-08-03
1968	1968-06-07	1968-08-24
1969	1969-05-30	1969-09-02
1970	1970-05-01	1970-09-27
1971	1971-05-19	1971-09-10
1972	1972-06-16	1972-08-27
1973	1973-06-05	1973-09-06
1974	1974-05-15	1974-07-19
1975	1975-05-22	1975-09-06
1976	1976-04-19	1976-08-26
1977	1977-07-07	1977-09-03
1978	1978-06-03	1978-08-20
1979	1979-05-10	1979-08-10
1980	1980-06-24	1980-09-05
1981	1981-06-16	1981-09-01
1982	1982-05-19	1982-09-13
1983	1983-06-27	1983-09-21
1984	1984-06-07	1984-09-14
1985	1985-07-14	1985-09-10
1986	1986-04-01	1986-08-17
1987	1987-05-30	1987-08-22
1988	1988-06-15	1988-08-29
1989	1989-05-26	1989-09-11
1990	1990-04-28	1990-08-29
1991	1991-05-17	1991-09-17
1992	1992-07-09	1992-08-28
1993	1993-06-10	1993-09-15
1994	1994-06-14	1994-07-21
1995	1995-06-21	1995-09-01
1996	1996-04-30	1996-07-01
1997	1997-06-22	1997-08-18
1998	1998-05-30	1998-09-16
1999	1999-05-07	1999-09-04
2000	2000-05-08	2000-08-09
2001	2001-04-24	2001-08-27
2002	2002-06-05	2002-09-11
2003	2003-07-06	2003-08-29
2004	2004-06-16	2004-08-31
2005	2005-06-06	2005-08-21
2006	2006-05-30	2006-08-27
2011	2011-06-01	2011-09-06
2015	2015-05-05	2015-09-09
2016	2016-05-28	2016-09-27
2017	2017-04-29	2017-09-27
2018	2018-05-04	2018-09-07
2019	2019-05-02	2019-09-13
2020	2020-05-26	2020-08-15

Every Fixed Threshold

Fixed thresholds at Parsons 3 SE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	91	82	1921	27
35 C (95 F): Days	17	15	1921	2
90 F (32.2 C): Days	74	56	1921	8
100 F (37.8 C): Days	7	4	1925	1
0 C (32 F): Ice days (max	91	47	1978	13
0 C (32 F): Frost days (min	90	166	1917	110
-10 C (14 F): Days with min	90	52	1968	8
-20 C (-4 F): Days with min	62	13	1978	2
-30 C (-22 F): Days with min	2	1	1912	1
20 C (68 F): Tropical nights (min	57	16	2019	9
10 mm (0.39 in): Days with 10 mm or more rain	89	89	2018	50
25 mm (0.98 in): Days with 25 mm or more rain	89	29	2018	13
50 mm (1.97 in): Days with 50 mm or more rain	64	11	1924	1
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1911	1
10 cm (3.9 in): Days with 10 cm or more snowfall	74	12	2003	1
25 cm (9.8 in): Days with 25 cm or more snowfall	24	2	1928	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Parsons 3 SE 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).

Parsons 3 SE Threshold Days by Year (USC00466867)

Key Facts for Parsons 3 SE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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