Coldwater Threshold Days by Year (USC00401916)

19 fixed thresholds counted per year at Coldwater (USC00401916): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coldwater Thresholds

Coldwater: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1900 with 60.
Coldwater: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1912 with 28.
Coldwater: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1960 with 127.
Coldwater: nights with a minimum temperature at or above 20 C (68 F) in 67 years, most in 1943 with 85.
19 fixed thresholds have at least one qualifying day at Coldwater.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Coldwater with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 132 in 1925.

Days at or above 30 C (86 F) per year at Coldwater
Year	Days	Decade average
1898	94	100.5
1899	107	100.5
1900	78	75.1
1901	66	75.1
1903	75	75.1
1904	81	75.1
1906	63	75.1
1908	87	75.1
1909	76	75.1
1910	77	77.7
1911	106	77.7
1912	61	77.7
1913	87	77.7
1914	81	77.7
1915	71	77.7
1917	55	77.7
1918	85	77.7
1919	76	77.7
1920	54	95.9
1921	117	95.9
1924	88	95.9
1925	132	95.9
1926	95	95.9
1927	94	95.9
1928	91	95.9
1929	96	95.9
1930	106	106.1
1931	119	106.1
1932	94	106.1
1933	111	106.1
1934	101	106.1
1935	90	106.1
1938	113	106.1
1939	115	106.1
1940	98	96.9
1941	129	96.9
1942	96	96.9
1943	112	96.9
1945	107	96.9
1946	77	96.9
1947	101	96.9
1948	75	96.9
1949	77	96.9
1950	63	106.9
1951	109	106.9
1952	105	106.9
1953	129	106.9
1954	126	106.9
1955	116	106.9
1956	100	106.9
1957	107	106.9
1960	98	78.1
1961	61	78.1
1962	100	78.1
1963	79	78.1
1964	94	78.1
1965	83	78.1
1966	66	78.1
1967	34	78.1
1968	79	78.1
1969	87	78.1
1970	94	81.4
1971	78	81.4
1972	68	81.4
1973	88	81.4
1975	79	81.4

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

First to last qualifying date each year at Coldwater
Year	First date	Last date
1898	1898-05-03	1898-10-05
1899	1899-04-20	1899-10-13
1900	1900-05-14	1900-10-02
1901	1901-04-29	1901-09-11
1903	1903-05-22	1903-10-04
1904	1904-05-21	1904-10-10
1906	1906-04-27	1906-09-24
1908	1908-05-21	1908-09-24
1909	1909-05-29	1909-10-05
1910	1910-03-27	1910-10-18
1911	1911-05-09	1911-10-06
1912	1912-05-22	1912-09-17
1913	1913-05-30	1913-09-09
1914	1914-05-23	1914-09-22
1915	1915-04-26	1915-09-29
1917	1917-04-27	1917-09-08
1918	1918-05-21	1918-10-06
1919	1919-06-07	1919-10-10
1920	1920-05-23	1920-10-17
1921	1921-05-19	1921-09-29
1924	1924-04-25	1924-10-19
1925	1925-04-15	1925-10-04
1926	1926-05-09	1926-10-19
1927	1927-04-28	1927-10-25
1928	1928-05-04	1928-10-14
1929	1929-03-24	1929-09-29
1930	1930-05-01	1930-10-15
1931	1931-04-17	1931-10-25
1932	1932-05-08	1932-09-18
1933	1933-05-14	1933-10-01
1934	1934-04-04	1934-09-28
1935	1935-05-11	1935-10-13
1938	1938-05-02	1938-10-18
1939	1939-05-17	1939-10-24
1940	1940-04-02	1940-10-31
1941	1941-04-12	1941-10-23
1942	1942-04-27	1942-09-19
1943	1943-04-29	1943-10-20
1945	1945-04-14	1945-10-01
1946	1946-04-21	1946-10-07
1947	1947-05-15	1947-10-25
1948	1948-05-23	1948-09-22
1949	1949-05-05	1949-10-11
1950	1950-05-08	1950-10-31
1951	1951-04-27	1951-10-06
1952	1952-05-01	1952-10-01
1953	1953-05-22	1953-10-23
1954	1954-04-14	1954-10-12
1955	1955-04-17	1955-10-23
1956	1956-04-28	1956-09-30
1957	1957-04-26	1957-09-22
1960	1960-04-24	1960-09-23
1961	1961-06-02	1961-09-30
1962	1962-05-01	1962-09-16
1963	1963-05-09	1963-10-26
1964	1964-04-20	1964-09-22
1965	1965-04-23	1965-10-17
1966	1966-06-08	1966-09-04
1967	1967-04-05	1967-10-06
1968	1968-05-24	1968-10-01
1969	1969-05-15	1969-10-12
1970	1970-04-29	1970-09-26
1971	1971-04-19	1971-10-16
1972	1972-05-22	1972-09-27
1973	1973-06-02	1973-10-07
1975	1975-05-21	1975-10-14

Every Fixed Threshold

Fixed thresholds at Coldwater
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	132	1925	79
35 C (95 F): Days	60	70	1954	4
40 C (104 F): Days	10	12	1930	7
90 F (32.2 C): Days	66	113	1954	25
100 F (37.8 C): Days	27	30	1930	2
110 F (43.3 C): Days	1	1	1930	1
0 C (32 F): Ice days (max	59	19	1963	1
0 C (32 F): Frost days (min	67	127	1960	82
-10 C (14 F): Days with min	60	30	1963	8
-20 C (-4 F): Days with min	7	7	1940	1
-30 C (-22 F): Days with min	2	1	1940	1
20 C (68 F): Tropical nights (min	67	85	1943	17
25 C (77 F): Days with min	10	2	1913	1
10 mm (0.39 in): Days with 10 mm or more rain	70	60	1900	57
25 mm (0.98 in): Days with 25 mm or more rain	70	28	1912	22
50 mm (1.97 in): Days with 50 mm or more rain	65	9	1951	7
100 mm (3.94 in): Days with 100 mm or more rain	16	2	1975	2
10 cm (3.9 in): Days with 10 cm or more snowfall	14	2	1929	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1964	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Coldwater 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).

Coldwater Threshold Days by Year (USC00401916)

Key Facts for Coldwater Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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