Waseca Threshold Days by Year (CA004048520)

16 fixed thresholds counted per year at Waseca (CA004048520): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waseca Thresholds

Waseca: days with a maximum temperature at or below 0 C (32 F) in 75 years, most in 1951 with 153.
Waseca: nights with a minimum temperature at or below 0 C (32 F) in 75 years, most in 1928 with 236.
Waseca: nights with a minimum temperature at or below -10 C (14 F) in 75 years, most in 1909 with 151.
Waseca: nights with a minimum temperature at or below -20 C (-4 F) in 75 years, most in 1955 with 88.
16 fixed thresholds have at least one qualifying day at Waseca.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Waseca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 1961.

Days at or above 30 C (86 F) per year at Waseca
Year	Days	Decade average
1908	1	1
1909	1	1
1910	6	5.4
1911	1	5.4
1912	6	5.4
1913	2	5.4
1914	8	5.4
1915	3	5.4
1916	1	5.4
1917	3	5.4
1918	9	5.4
1919	15	5.4
1920	9	5.7
1921	2	5.7
1922	9	5.7
1923	1	5.7
1924	3	5.7
1925	5	5.7
1926	9	5.7
1927	2	5.7
1928	5	5.7
1929	12	5.7
1930	6	9.2
1931	5	9.2
1932	3	9.2
1933	9	9.2
1934	7	9.2
1935	9	9.2
1936	21	9.2
1937	16	9.2
1938	6	9.2
1939	10	9.2
1940	5	8.8
1941	11	8.8
1942	3	8.8
1943	4	8.8
1944	5	8.8
1946	12	8.8
1947	20	8.8
1948	8	8.8
1949	11	8.8
1950	5	5.4
1951	2	5.4
1953	6	5.4
1954	2	5.4
1955	6	5.4
1956	3	5.4
1957	5	5.4
1958	11	5.4
1959	9	5.4
1960	8	7.9
1961	26	7.9
1962	5	7.9
1963	5	7.9
1964	6	7.9
1965	10	7.9
1966	4	7.9
1967	6	7.9
1968	4	7.9
1969	5	7.9
1970	5	3.8
1971	7	3.8
1972	4	3.8
1973	2	3.8
1974	4	3.8
1975	4	3.8
1976	2	3.8
1977	2	3.8
1978	4	3.8
1979	4	3.8
1980	2	6.5
1981	12	6.5
1982	3	6.5
1983	9	6.5

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

First to last qualifying date each year at Waseca
Year	First date	Last date
1908	1908-07-03	1908-07-03
1909	1909-08-14	1909-08-14
1910	1910-04-24	1910-07-22
1911	1911-05-05	1911-05-05
1912	1912-06-20	1912-06-27
1913	1913-06-09	1913-07-20
1914	1914-07-03	1914-08-03
1915	1915-08-07	1915-08-10
1916	1916-07-17	1916-07-17
1917	1917-07-16	1917-07-23
1918	1918-06-14	1918-08-02
1919	1919-05-19	1919-08-18
1920	1920-07-15	1920-08-23
1921	1921-07-08	1921-07-20
1922	1922-05-25	1922-08-03
1923	1923-06-12	1923-06-12
1924	1924-07-01	1924-07-03
1925	1925-07-11	1925-08-26
1926	1926-07-05	1926-08-24
1927	1927-07-25	1927-09-06
1928	1928-05-21	1928-08-10
1929	1929-07-14	1929-08-31
1930	1930-06-07	1930-07-15
1931	1931-07-22	1931-08-19
1932	1932-08-09	1932-09-06
1933	1933-06-14	1933-08-13
1934	1934-05-25	1934-08-28
1935	1935-06-28	1935-08-23
1936	1936-05-26	1936-08-13
1937	1937-06-02	1937-09-19
1938	1938-06-19	1938-09-19
1939	1939-04-29	1939-08-23
1940	1940-08-06	1940-08-31
1941	1941-06-23	1941-08-12
1942	1942-07-02	1942-08-17
1943	1943-07-07	1943-08-07
1944	1944-05-28	1944-07-23
1946	1946-05-27	1946-08-23
1947	1947-07-01	1947-08-08
1948	1948-05-25	1948-09-02
1949	1949-04-28	1949-08-17
1950	1950-07-25	1950-09-03
1951	1951-05-23	1951-06-13
1953	1953-05-07	1953-08-19
1954	1954-07-05	1954-07-08
1955	1955-07-15	1955-08-15
1956	1956-06-09	1956-07-20
1957	1957-07-11	1957-07-26
1958	1958-06-26	1958-08-25
1959	1959-05-15	1959-08-01
1960	1960-05-12	1960-08-11
1961	1961-05-21	1961-08-25
1962	1962-06-25	1962-09-27
1963	1963-07-04	1963-07-22
1964	1964-06-27	1964-07-12
1965	1965-06-11	1965-08-22
1966	1966-07-07	1966-09-18
1967	1967-07-04	1967-09-05
1968	1968-06-26	1968-07-09
1969	1969-07-10	1969-08-21
1970	1970-06-02	1970-08-07
1971	1971-05-13	1971-08-21
1972	1972-05-31	1972-08-25
1973	1973-06-23	1973-08-13
1974	1974-06-23	1974-08-05
1975	1975-07-05	1975-07-27
1976	1976-08-22	1976-08-25
1977	1977-04-26	1977-07-21
1978	1978-06-04	1978-08-10
1979	1979-07-18	1979-08-19
1980	1980-04-29	1980-07-22
1981	1981-07-03	1981-09-17
1982	1982-06-21	1982-07-30
1983	1983-08-01	1983-09-01

Every Fixed Threshold

Fixed thresholds at Waseca
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	26	1961	9
35 C (95 F): Days	15	5	1919	1
90 F (32.2 C): Days	49	15	1947	3
100 F (37.8 C): Days	1	1	1919	1
0 C (32 F): Ice days (max	75	153	1951	127
0 C (32 F): Frost days (min	75	236	1928	217
-10 C (14 F): Days with min	75	151	1909	110
-20 C (-4 F): Days with min	75	88	1955	44
-30 C (-22 F): Days with min	75	42	1916	16
-40 C (-40 F): Days with min	43	9	1936	2
20 C (68 F): Tropical nights (min	4	3	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	72	22	1916	15
25 mm (0.98 in): Days with 25 mm or more rain	57	7	1944	2
50 mm (1.97 in): Days with 50 mm or more rain	7	2	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	64	10	1924	2
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1924	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Waseca 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).

Waseca Threshold Days by Year (CA004048520)

Key Facts for Waseca Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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