Prairie du Sac 2 N Threshold Days by Year (USC00476838)

19 fixed thresholds counted per year at Prairie du Sac 2 N (USC00476838): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prairie du Sac 2 N Thresholds

Prairie du Sac 2 N: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 1921 with 70.
Prairie du Sac 2 N: days with a maximum temperature at or below 0 C (32 F) in 83 years, most in 1937 with 86.
Prairie du Sac 2 N: nights with a minimum temperature at or below 0 C (32 F) in 83 years, most in 1976 with 176.
Prairie du Sac 2 N: nights with a minimum temperature at or below -10 C (14 F) in 83 years, most in 1978 with 88.
19 fixed thresholds have at least one qualifying day at Prairie du Sac 2 N.

Days at or above 30 C (86 F)

83 years with a qualifying day

Days per year at Prairie du Sac 2 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 70 in 1921.

Days at or above 30 C (86 F) per year at Prairie du Sac 2 N
Year	Days	Decade average
1912	33	38.6
1913	44	38.6
1914	51	38.6
1915	14	38.6
1916	50	38.6
1917	24	38.6
1918	41	38.6
1919	52	38.6
1920	48	35.1
1921	70	35.1
1922	58	35.1
1923	41	35.1
1924	12	35.1
1925	36	35.1
1926	20	35.1
1927	25	35.1
1928	14	35.1
1929	27	35.1
1930	36	37.8
1931	50	37.8
1932	34	37.8
1933	42	37.8
1934	48	37.8
1935	28	37.8
1936	44	37.8
1937	41	37.8
1938	18	37.8
1939	37	37.8
1940	24	27.2
1941	35	27.2
1942	26	27.2
1943	35	27.2
1944	23	27.2
1945	19	27.2
1946	25	27.2
1948	31	27.2
1949	27	27.2
1950	8	23.7
1951	5	23.7
1952	29	23.7
1953	29	23.7
1954	20	23.7
1955	42	23.7
1956	21	23.7
1957	21	23.7
1958	22	23.7
1959	40	23.7
1960	21	27.7
1961	27	27.7
1962	22	27.7
1963	44	27.7
1964	36	27.7
1965	23	27.7
1966	29	27.7
1967	13	27.7
1968	31	27.7
1969	31	27.7
1970	39	27
1971	20	27
1972	22	27
1973	19	27
1974	16	27
1975	32	27
1976	40	27
1977	32	27
1978	30	27
1979	20	27
1980	33	28.1
1981	11	28.1
1982	10	28.1
1983	48	28.1
1984	26	28.1
1985	21	28.1
1986	17	28.1
1987	33	28.1
1988	58	28.1
1989	24	28.1
1990	13	21.8
1991	41	21.8
1992	10	21.8
1993	13	21.8
1994	17	21.8
1995	37	21.8

For each year, a bar from the first to the last day at Prairie du Sac 2 N meeting 30 C (86 F).

First to last qualifying date each year at Prairie du Sac 2 N
Year	First date	Last date
1912	1912-05-23	1912-09-10
1913	1913-05-01	1913-09-07
1914	1914-05-21	1914-09-21
1915	1915-04-28	1915-09-13
1916	1916-06-13	1916-09-06
1917	1917-05-18	1917-08-23
1918	1918-05-03	1918-08-27
1919	1919-05-29	1919-09-21
1920	1920-06-08	1920-10-22
1921	1921-05-20	1921-09-10
1922	1922-05-09	1922-10-05
1923	1923-06-01	1923-09-05
1924	1924-06-19	1924-08-30
1925	1925-05-22	1925-09-19
1926	1926-06-12	1926-09-18
1927	1927-06-19	1927-09-17
1928	1928-05-09	1928-09-08
1929	1929-05-28	1929-09-03
1930	1930-04-10	1930-09-23
1931	1931-06-14	1931-09-20
1932	1932-05-14	1932-09-19
1933	1933-06-03	1933-09-08
1934	1934-05-06	1934-08-18
1935	1935-06-13	1935-09-24
1936	1936-05-16	1936-09-22
1937	1937-05-30	1937-09-23
1938	1938-06-22	1938-09-04
1939	1939-05-26	1939-09-15
1940	1940-06-03	1940-09-20
1941	1941-05-20	1941-09-04
1942	1942-05-29	1942-09-01
1943	1943-06-03	1943-08-31
1944	1944-05-30	1944-08-15
1945	1945-06-23	1945-09-07
1946	1946-06-16	1946-08-17
1948	1948-05-20	1948-09-19
1949	1949-05-03	1949-08-26
1950	1950-05-24	1950-08-16
1951	1951-07-24	1951-08-28
1952	1952-05-01	1952-09-28
1953	1953-05-29	1953-09-29
1954	1954-06-11	1954-09-06
1955	1955-06-30	1955-09-18
1956	1956-05-22	1956-09-03
1957	1957-06-15	1957-09-01
1958	1958-06-30	1958-09-03
1959	1959-05-02	1959-09-22
1960	1960-07-17	1960-09-08
1961	1961-06-10	1961-09-10
1962	1962-04-26	1962-09-13
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-09
1965	1965-05-01	1965-09-09
1966	1966-05-26	1966-09-01
1967	1967-05-26	1967-08-03
1968	1968-06-04	1968-08-23
1969	1969-05-27	1969-09-06
1970	1970-05-21	1970-09-07
1971	1971-06-04	1971-10-01
1972	1972-05-18	1972-08-30
1973	1973-06-08	1973-09-01
1974	1974-05-21	1974-08-26
1975	1975-05-18	1975-10-13
1976	1976-06-06	1976-10-01
1977	1977-04-16	1977-08-27
1978	1978-05-26	1978-09-19
1979	1979-05-10	1979-09-11
1980	1980-04-22	1980-09-08
1981	1981-06-05	1981-09-11
1982	1982-07-04	1982-08-18
1983	1983-06-10	1983-09-10
1984	1984-06-12	1984-09-20
1985	1985-04-18	1985-09-07
1986	1986-05-31	1986-08-16
1987	1987-04-20	1987-08-15
1988	1988-05-21	1988-09-17
1989	1989-06-06	1989-08-22
1990	1990-06-12	1990-09-06
1991	1991-04-06	1991-09-09
1992	1992-05-01	1992-08-25
1993	1993-07-02	1993-08-27
1994	1994-04-18	1994-09-15
1995	1995-06-03	1995-09-05

Every Fixed Threshold

Fixed thresholds at Prairie du Sac 2 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	83	70	1921	37
35 C (95 F): Days	56	21	1916	4
40 C (104 F): Days	2	1	1921	1
90 F (32.2 C): Days	81	43	1921	21
100 F (37.8 C): Days	12	7	1988	2
0 C (32 F): Ice days (max	83	86	1937	74
0 C (32 F): Frost days (min	83	176	1976	150
-10 C (14 F): Days with min	83	88	1978	62
-20 C (-4 F): Days with min	83	43	1963	10
-30 C (-22 F): Days with min	32	12	1912	4
-40 C (-40 F): Days with min	1	1	1951	1
20 C (68 F): Tropical nights (min	83	37	1921	24
25 C (77 F): Days with min	14	3	1917	1
10 mm (0.39 in): Days with 10 mm or more rain	80	36	1938	26
25 mm (0.98 in): Days with 25 mm or more rain	80	11	1913	5
50 mm (1.97 in): Days with 50 mm or more rain	46	4	1961	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1951	1
10 cm (3.9 in): Days with 10 cm or more snowfall	46	6	1951	3
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Prairie du Sac 2 N 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).

Prairie du Sac 2 N Threshold Days by Year (USC00476838)

Key Facts for Prairie du Sac 2 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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