Cedar Rapids #1 Threshold Days by Year (USC00131319)

19 fixed thresholds counted per year at Cedar Rapids #1 (USC00131319): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cedar Rapids #1 Thresholds

Cedar Rapids #1: days with a maximum temperature at or above 30 C (86 F) in 130 years, most in 1921 with 80.
Cedar Rapids #1: days with a maximum temperature at or above 90 F (32.2 C) in 130 years, most in 1925 with 59.
Cedar Rapids #1: days with a maximum temperature at or below 0 C (32 F) in 130 years, most in 1978 with 81.
Cedar Rapids #1: nights with a minimum temperature at or below 0 C (32 F) in 130 years, most in 1925 with 177.
19 fixed thresholds have at least one qualifying day at Cedar Rapids #1.

Days at or above 30 C (86 F)

130 years with a qualifying day

Days per year at Cedar Rapids #1 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 80 in 1921.

Days at or above 30 C (86 F) per year at Cedar Rapids #1
Year	Days	Decade average
1893	27	56.9
1894	59	56.9
1895	57	56.9
1896	71	56.9
1897	67	56.9
1898	50	56.9
1899	67	56.9
1900	68	48.2
1901	79	48.2
1902	29	48.2
1903	31	48.2
1904	29	48.2
1905	38	48.2
1906	62	48.2
1907	42	48.2
1908	57	48.2
1909	47	48.2
1910	67	56.6
1911	68	56.6
1912	44	56.6
1913	70	56.6
1914	68	56.6
1915	40	56.6
1916	60	56.6
1917	32	56.6
1918	50	56.6
1919	67	56.6
1920	59	56.5
1921	80	56.5
1922	67	56.5
1925	79	56.5
1926	50	56.5
1927	41	56.5
1928	30	56.5
1929	46	56.5
1930	75	61.8
1931	76	61.8
1932	48	61.8
1933	67	61.8
1934	63	61.8
1935	51	61.8
1936	73	61.8
1937	59	61.8
1938	53	61.8
1939	53	61.8
1940	52	46
1941	54	46
1942	36	46
1943	47	46
1944	50	46
1945	33	46
1946	32	46
1947	58	46
1948	49	46
1949	49	46
1950	21	42.4
1951	21	42.4
1952	59	42.4
1953	49	42.4
1954	51	42.4
1955	67	42.4
1958	23	42.4
1959	48	42.4
1960	37	34.6
1961	36	34.6
1962	37	34.6
1963	51	34.6
1964	47	34.6
1965	23	34.6
1966	40	34.6
1967	18	34.6
1968	36	34.6
1969	21	34.6
1970	56	48.1
1971	54	48.1
1972	42	48.1
1973	54	48.1
1974	35	48.1
1975	62	48.1
1976	51	48.1
1977	51	48.1
1978	44	48.1
1979	32	48.1
1980	55	44.3
1981	18	44.3
1982	15	44.3
1983	69	44.3
1984	40	44.3
1985	46	44.3
1986	35	44.3
1987	53	44.3
1988	74	44.3
1989	38	44.3
1990	31	35.9
1991	57	35.9
1992	14	35.9
1993	20	35.9
1994	33	35.9
1995	57	35.9
1996	26	35.9
1997	37	35.9
1998	43	35.9
1999	41	35.9
2000	25	38.2
2001	42	38.2
2002	52	38.2
2003	39	38.2
2004	17	38.2
2005	60	38.2
2006	41	38.2
2007	62	38.2
2008	30	38.2
2009	14	38.2
2010	47	52.8
2011	60	52.8
2012	78	52.8
2013	54	52.8
2014	27	52.8
2015	33	52.8
2016	68	52.8
2017	52	52.8
2018	62	52.8
2019	47	52.8
2020	53	57
2021	65	57
2022	52	57
2023	65	57
2024	50	57
2025	63	57
2026	51	57

For each year, a bar from the first to the last day at Cedar Rapids #1 meeting 30 C (86 F).

First to last qualifying date each year at Cedar Rapids #1
Year	First date	Last date
1893	1893-06-12	1893-09-21
1894	1894-05-14	1894-09-08
1895	1895-04-30	1895-09-22
1896	1896-04-11	1896-09-09
1897	1897-05-07	1897-10-15
1898	1898-04-16	1898-09-29
1899	1899-06-03	1899-10-23
1900	1900-05-11	1900-10-05
1901	1901-04-28	1901-09-24
1902	1902-04-21	1902-08-03
1903	1903-05-17	1903-09-09
1904	1904-05-23	1904-09-29
1905	1905-06-05	1905-10-05
1906	1906-05-12	1906-09-20
1907	1907-06-17	1907-09-20
1908	1908-05-18	1908-09-27
1909	1909-05-06	1909-09-21
1910	1910-03-24	1910-10-17
1911	1911-05-10	1911-09-15
1912	1912-05-23	1912-09-10
1913	1913-05-02	1913-09-08
1914	1914-05-11	1914-09-22
1915	1915-04-19	1915-09-14
1916	1916-05-08	1916-10-09
1917	1917-05-18	1917-09-06
1918	1918-05-04	1918-08-28
1919	1919-05-30	1919-10-01
1920	1920-05-22	1920-10-11
1921	1921-05-18	1921-09-16
1922	1922-05-10	1922-10-05
1925	1925-04-12	1925-09-28
1926	1926-04-30	1926-09-21
1927	1927-06-19	1927-10-27
1928	1928-05-03	1928-10-10
1929	1929-04-04	1929-09-27
1930	1930-04-10	1930-10-10
1931	1931-04-08	1931-09-20
1932	1932-05-14	1932-08-30
1933	1933-06-01	1933-09-25
1934	1934-05-05	1934-09-25
1935	1935-06-12	1935-09-24
1936	1936-05-06	1936-09-22
1937	1937-05-29	1937-09-30
1938	1938-06-14	1938-10-09
1939	1939-04-24	1939-10-07
1940	1940-05-13	1940-09-21
1941	1941-05-15	1941-09-22
1942	1942-04-29	1942-09-16
1943	1943-05-28	1943-09-03
1944	1944-05-14	1944-09-17
1945	1945-06-23	1945-09-07
1946	1946-06-07	1946-09-06
1947	1947-06-09	1947-10-14
1948	1948-04-18	1948-09-19
1949	1949-04-25	1949-08-26
1950	1950-05-24	1950-10-31
1951	1951-06-19	1951-10-01
1952	1952-04-28	1952-09-30
1953	1953-05-25	1953-10-02
1954	1954-06-09	1954-09-27
1955	1955-04-18	1955-09-18
1958	1958-05-14	1958-09-03
1959	1959-05-02	1959-09-09
1960	1960-05-14	1960-09-08
1961	1961-05-13	1961-09-10
1962	1962-05-05	1962-10-10
1963	1963-05-08	1963-10-06
1964	1964-05-06	1964-09-09
1965	1965-05-01	1965-09-10
1966	1966-05-05	1966-09-01
1967	1967-05-18	1967-08-02
1968	1968-05-02	1968-09-03
1969	1969-05-27	1969-08-30
1970	1970-04-28	1970-09-20
1971	1971-06-03	1971-10-01
1972	1972-05-18	1972-09-18
1973	1973-06-08	1973-09-01
1974	1974-06-14	1974-08-27
1975	1975-05-18	1975-10-13
1976	1976-06-05	1976-10-03
1977	1977-05-14	1977-08-28
1978	1978-05-25	1978-09-12
1979	1979-05-30	1979-09-10
1980	1980-04-21	1980-09-20
1981	1981-04-27	1981-09-11
1982	1982-07-03	1982-08-19
1983	1983-06-09	1983-09-10
1984	1984-06-05	1984-09-24
1985	1985-04-18	1985-09-19
1986	1986-03-29	1986-09-26
1987	1987-04-20	1987-08-22
1988	1988-05-21	1988-09-18
1989	1989-05-29	1989-08-27
1990	1990-04-24	1990-10-05
1991	1991-04-06	1991-09-13
1992	1992-05-16	1992-08-10
1993	1993-06-17	1993-09-13
1994	1994-04-18	1994-09-15
1995	1995-06-07	1995-09-13
1996	1996-05-17	1996-08-21
1997	1997-06-20	1997-10-06
1998	1998-05-14	1998-09-26
1999	1999-06-05	1999-09-05
2000	2000-06-01	2000-09-18
2001	2001-05-15	2001-09-03
2002	2002-04-15	2002-09-30
2003	2003-04-14	2003-09-11
2004	2004-04-16	2004-09-14
2005	2005-06-06	2005-10-04
2006	2006-05-24	2006-10-04
2007	2007-04-29	2007-10-07
2008	2008-06-05	2008-09-03
2009	2009-04-24	2009-08-14
2010	2010-05-23	2010-10-09
2011	2011-05-10	2011-09-13
2012	2012-05-03	2012-09-11
2013	2013-04-30	2013-09-19
2014	2014-05-07	2014-09-05
2015	2015-06-04	2015-09-16
2016	2016-05-06	2016-09-21
2017	2017-05-13	2017-09-26
2018	2018-05-24	2018-10-03
2019	2019-05-16	2019-09-30
2020	2020-05-25	2020-09-07
2021	2021-05-01	2021-09-30
2022	2022-05-09	2022-09-21
2023	2023-05-07	2023-10-03
2024	2024-04-14	2024-10-11
2025	2025-05-14	2025-10-04
2026	2026-03-21	2026-10-12

Every Fixed Threshold

Fixed thresholds at Cedar Rapids #1
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	130	80	1921	51
35 C (95 F): Days	100	32	1936	5
40 C (104 F): Days	11	6	1936	5
90 F (32.2 C): Days	130	59	1925	23
100 F (37.8 C): Days	37	19	1936	3
110 F (43.3 C): Days	1	1	1911	1
0 C (32 F): Ice days (max	130	81	1978	28
0 C (32 F): Frost days (min	130	177	1925	69
-10 C (14 F): Days with min	130	74	1978	25
-20 C (-4 F): Days with min	129	34	1936	4
-30 C (-22 F): Days with min	23	6	1905	2
20 C (68 F): Tropical nights (min	130	55	1921	37
25 C (77 F): Days with min	52	7	1988	5
10 mm (0.39 in): Days with 10 mm or more rain	128	45	1993	37
25 mm (0.98 in): Days with 25 mm or more rain	128	15	1951	11
50 mm (1.97 in): Days with 50 mm or more rain	107	6	1961	3
100 mm (3.94 in): Days with 100 mm or more rain	19	2	1914	1
10 cm (3.9 in): Days with 10 cm or more snowfall	106	7	2019	3
25 cm (9.8 in): Days with 25 cm or more snowfall	12	1	1897	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Cedar Rapids #1 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Cedar Rapids #1 Threshold Days by Year (USC00131319)

Key Facts for Cedar Rapids #1 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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