Pratt 3NW Threshold Days by Year (USC00146549)

21 fixed thresholds counted per year at Pratt 3NW (USC00146549): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pratt 3NW Thresholds

Pratt 3NW: days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 1973 with 35.
Pratt 3NW: days with 25 mm (0.98 in) or more of precipitation in 115 years, most in 1957 with 14.
Pratt 3NW: nights with a minimum temperature at or below 0 C (32 F) in 105 years, most in 2013 with 145.
Pratt 3NW: nights with a minimum temperature at or below -10 C (14 F) in 105 years, most in 2014 with 43.
21 fixed thresholds have at least one qualifying day at Pratt 3NW.

Days at or above 30 C (86 F)

103 years with a qualifying day

Days per year at Pratt 3NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 142 in 1956.

Days at or above 30 C (86 F) per year at Pratt 3NW
Year	Days	Decade average
1896	90	96
1897	107	96
1899	91	96
1901	106	99.7
1903	90	99.7
1905	99	99.7
1906	83	99.7
1908	114	99.7
1909	106	99.7
1912	106	87.2
1915	59	87.2
1916	99	87.2
1917	81	87.2
1919	91	87.2
1920	92	98.4
1921	123	98.4
1922	102	98.4
1923	100	98.4
1924	80	98.4
1925	105	98.4
1926	106	98.4
1927	95	98.4
1928	93	98.4
1929	88	98.4
1930	102	113.2
1931	118	113.2
1932	94	113.2
1933	116	113.2
1934	118	113.2
1935	95	113.2
1936	118	113.2
1937	119	113.2
1938	118	113.2
1939	134	113.2
1940	108	98.2
1941	102	98.2
1942	99	98.2
1943	104	98.2
1944	94	98.2
1945	90	98.2
1946	93	98.2
1947	103	98.2
1948	102	98.2
1949	87	98.2
1950	77	106.4
1951	77	106.4
1952	122	106.4
1953	128	106.4
1954	128	106.4
1955	114	106.4
1956	142	106.4
1957	81	106.4
1958	93	106.4
1959	102	106.4
1960	93	97.3
1961	80	97.3
1962	98	97.3
1963	120	97.3
1965	95	97.3
1966	98	97.3
1967	91	97.3
1968	102	97.3
1969	99	97.3
1970	119	99
1971	106	99
1972	107	99
1973	96	99
1974	85	99
1975	97	99
1976	86	99
1977	91	99
1978	101	99
1979	102	99
1980	115	98
1981	94	98
1983	82	98
1984	104	98
1988	95	98
1993	86	97.6
1994	116	97.6
1995	90	97.6
1996	91	97.6
1997	90	97.6
1998	121	97.6
1999	89	97.6
2000	108	88.7
2002	77	88.7
2004	70	88.7
2005	101	88.7
2006	104	88.7
2007	87	88.7
2009	74	88.7
2010	89	89.6
2011	108	89.6
2012	111	89.6
2013	82	89.6
2014	84	89.6
2015	80	89.6
2016	87	89.6
2017	76	89.6
2021	112	112.7
2022	117	112.7
2023	109	112.7

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

First to last qualifying date each year at Pratt 3NW
Year	First date	Last date
1896	1896-04-10	1896-10-01
1897	1897-04-18	1897-10-04
1899	1899-04-10	1899-10-21
1901	1901-03-02	1901-09-27
1903	1903-04-01	1903-10-19
1905	1905-03-27	1905-09-28
1906	1906-04-10	1906-10-12
1908	1908-03-16	1908-10-15
1909	1909-04-04	1909-10-06
1912	1912-04-05	1912-10-28
1915	1915-05-13	1915-10-29
1916	1916-03-12	1916-10-06
1917	1917-03-22	1917-10-15
1919	1919-04-22	1919-10-03
1920	1920-05-22	1920-10-10
1921	1921-04-23	1921-10-16
1922	1922-05-17	1922-10-28
1923	1923-05-10	1923-09-29
1924	1924-04-15	1924-11-05
1925	1925-03-05	1925-10-03
1926	1926-04-16	1926-10-17
1927	1927-04-26	1927-10-27
1928	1928-04-01	1928-10-10
1929	1929-04-03	1929-10-16
1930	1930-04-09	1930-10-09
1931	1931-04-07	1931-10-10
1932	1932-05-14	1932-09-21
1933	1933-04-08	1933-09-29
1934	1934-04-09	1934-10-08
1935	1935-02-21	1935-10-15
1936	1936-04-12	1936-10-05
1937	1937-04-16	1937-10-30
1938	1938-03-21	1938-10-17
1939	1939-04-23	1939-10-26
1940	1940-03-31	1940-10-23
1941	1941-05-13	1941-10-14
1942	1942-04-04	1942-10-01
1943	1943-03-29	1943-10-18
1944	1944-05-14	1944-09-26
1945	1945-05-19	1945-10-18
1946	1946-03-31	1946-09-26
1947	1947-05-03	1947-10-21
1948	1948-04-10	1948-10-15
1949	1949-04-22	1949-10-08
1950	1950-03-25	1950-10-31
1951	1951-04-24	1951-10-04
1952	1952-04-08	1952-10-25
1953	1953-03-20	1953-10-12
1954	1954-02-14	1954-10-13
1955	1955-04-15	1955-10-25
1956	1956-03-25	1956-10-11
1957	1957-05-29	1957-10-05
1958	1958-05-21	1958-10-19
1959	1959-04-30	1959-09-22
1960	1960-04-24	1960-10-05
1961	1961-04-19	1961-10-22
1962	1962-02-12	1962-10-14
1963	1963-03-28	1963-10-18
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-27
1967	1967-04-04	1967-10-05
1968	1968-04-16	1968-10-30
1969	1969-05-21	1969-10-09
1970	1970-04-27	1970-10-04
1971	1971-03-31	1971-10-13
1972	1972-03-10	1972-10-11
1973	1973-05-18	1973-10-24
1974	1974-04-27	1974-09-12
1975	1975-04-23	1975-10-21
1976	1976-03-25	1976-10-11
1977	1977-04-27	1977-10-26
1978	1978-03-31	1978-10-20
1979	1979-05-06	1979-10-21
1980	1980-04-21	1980-11-09
1981	1981-04-11	1981-09-30
1983	1983-05-27	1983-10-02
1984	1984-05-24	1984-10-02
1988	1988-03-20	1988-10-22
1993	1993-05-27	1993-10-07
1994	1994-03-17	1994-10-02
1995	1995-04-07	1995-10-22
1996	1996-02-22	1996-09-22
1997	1997-03-21	1997-10-06
1998	1998-04-25	1998-10-14
1999	1999-04-01	1999-10-21
2000	2000-05-12	2000-10-03
2002	2002-04-02	2002-10-03
2004	2004-04-16	2004-09-19
2005	2005-04-21	2005-10-19
2006	2006-04-12	2006-11-09
2007	2007-03-22	2007-10-20
2009	2009-04-22	2009-09-28
2010	2010-04-06	2010-10-17
2011	2011-04-04	2011-10-05
2012	2012-04-02	2012-10-24
2013	2013-04-30	2013-10-05
2014	2014-04-10	2014-10-27
2015	2015-03-17	2015-10-14
2016	2016-03-23	2016-10-30
2017	2017-03-20	2017-10-15
2021	2021-04-26	2021-10-10
2022	2022-04-12	2022-10-21
2023	2023-04-04	2023-10-22

Every Fixed Threshold

Fixed thresholds at Pratt 3NW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	103	142	1956	109
35 C (95 F): Days	103	82	1956	42
40 C (104 F): Days	80	37	1934	7
45 C (113 F): Days	1	4	1936	4
90 F (32.2 C): Days	103	124	1956	91
100 F (37.8 C): Days	102	56	1936	24
110 F (43.3 C): Days	14	10	1936	2
0 C (32 F): Ice days (max	103	45	1978	5
0 C (32 F): Frost days (min	105	145	2013	107
-10 C (14 F): Days with min	105	43	2014	13
-20 C (-4 F): Days with min	53	12	1905	1
-30 C (-22 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	105	72	2021	53
25 C (77 F): Days with min	51	17	1934	3
10 mm (0.39 in): Days with 10 mm or more rain	115	35	1973	28
25 mm (0.98 in): Days with 25 mm or more rain	115	14	1957	4
50 mm (1.97 in): Days with 50 mm or more rain	85	3	1903	1
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1903	1
10 cm (3.9 in): Days with 10 cm or more snowfall	61	6	1960	2
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	1998	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	2009	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

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Data for Pratt 3NW 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).

Pratt 3NW Threshold Days by Year (USC00146549)

Key Facts for Pratt 3NW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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