Waupaca Threshold Days by Year (USC00478951)

19 fixed thresholds counted per year at Waupaca (USC00478951): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waupaca Thresholds

Waupaca: nights with a minimum temperature at or below 0 C (32 F) in 125 years, most in 1907 with 193.
Waupaca: nights with a minimum temperature at or below -10 C (14 F) in 125 years, most in 2014 with 93.
Waupaca: nights with a minimum temperature at or below -20 C (-4 F) in 125 years, most in 1917 with 42.
Waupaca: days with a maximum temperature at or below 0 C (32 F) in 123 years, most in 1926 with 102.
19 fixed thresholds have at least one qualifying day at Waupaca.

Days at or above 30 C (86 F)

122 years with a qualifying day

Days per year at Waupaca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1921.

Days at or above 30 C (86 F) per year at Waupaca
Year	Days	Decade average
1897	33	28
1899	23	28
1901	45	29
1902	11	29
1903	9	29
1905	16	29
1906	43	29
1907	25	29
1908	46	29
1909	37	29
1910	52	35.8
1911	36	35.8
1912	24	35.8
1913	31	35.8
1914	40	35.8
1915	18	35.8
1916	43	35.8
1917	40	35.8
1918	31	35.8
1919	43	35.8
1920	34	32.9
1921	71	32.9
1922	38	32.9
1923	29	32.9
1924	7	32.9
1925	52	32.9
1926	15	32.9
1928	19	32.9
1929	31	32.9
1930	47	43.7
1931	46	43.7
1932	28	43.7
1933	51	43.7
1934	44	43.7
1935	33	43.7
1936	58	43.7
1937	55	43.7
1938	28	43.7
1939	47	43.7
1940	29	30.9
1941	41	30.9
1942	22	30.9
1943	39	30.9
1944	35	30.9
1945	20	30.9
1946	20	30.9
1947	43	30.9
1948	28	30.9
1949	32	30.9
1950	15	32.4
1951	7	32.4
1952	35	32.4
1953	38	32.4
1954	27	32.4
1955	60	32.4
1956	21	32.4
1957	40	32.4
1958	31	32.4
1959	50	32.4
1960	32	32.7
1961	40	32.7
1962	27	32.7
1963	45	32.7
1964	38	32.7
1965	23	32.7
1966	43	32.7
1967	18	32.7
1968	32	32.7
1969	29	32.7
1970	47	30.9
1971	33	30.9
1974	22	30.9
1975	38	30.9
1976	53	30.9
1977	29	30.9
1978	12	30.9
1979	13	30.9
1980	23	25.7
1981	20	25.7
1982	9	25.7
1983	41	25.7
1984	17	25.7
1985	20	25.7
1986	18	25.7
1987	35	25.7
1988	49	25.7
1989	25	25.7
1990	19	18.3
1991	35	18.3
1992	7	18.3
1993	7	18.3
1994	15	18.3
1995	22	18.3
1996	11	18.3
1997	14	18.3
1998	24	18.3
1999	29	18.3
2000	5	22.5
2001	37	22.5
2002	33	22.5
2003	24	22.5
2004	4	22.5
2005	38	22.5
2006	32	22.5
2007	34	22.5
2008	10	22.5
2009	8	22.5
2010	27	24.3
2011	28	24.3
2012	48	24.3
2013	26	24.3
2014	9	24.3
2015	12	24.3
2016	24	24.3
2017	17	24.3
2018	35	24.3
2019	17	24.3
2020	36	28.2
2021	31	28.2
2022	20	28.2
2023	33	28.2
2024	21	28.2

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

First to last qualifying date each year at Waupaca
Year	First date	Last date
1897	1897-05-18	1897-09-30
1899	1899-06-04	1899-09-16
1901	1901-04-29	1901-09-06
1902	1902-05-19	1902-07-30
1903	1903-06-07	1903-07-28
1905	1905-06-14	1905-08-30
1906	1906-05-17	1906-09-17
1907	1907-05-13	1907-09-19
1908	1908-06-06	1908-09-26
1909	1909-05-05	1909-08-26
1910	1910-06-13	1910-08-24
1911	1911-05-17	1911-09-16
1912	1912-06-22	1912-09-09
1913	1913-05-02	1913-09-07
1914	1914-05-26	1914-09-20
1915	1915-04-24	1915-09-04
1916	1916-05-06	1916-09-06
1917	1917-05-17	1917-08-22
1918	1918-05-05	1918-08-27
1919	1919-05-26	1919-09-08
1920	1920-05-31	1920-09-25
1921	1921-05-20	1921-09-09
1922	1922-05-09	1922-10-05
1923	1923-06-01	1923-08-19
1924	1924-07-16	1924-08-30
1925	1925-04-23	1925-09-18
1926	1926-05-01	1926-08-27
1928	1928-05-24	1928-10-12
1929	1929-05-28	1929-09-04
1930	1930-05-05	1930-09-24
1931	1931-06-11	1931-09-20
1932	1932-05-14	1932-09-19
1933	1933-06-02	1933-09-26
1934	1934-05-06	1934-08-19
1935	1935-06-12	1935-09-24
1936	1936-05-07	1936-09-23
1937	1937-05-29	1937-09-24
1938	1938-05-03	1938-09-29
1939	1939-05-05	1939-09-16
1940	1940-06-03	1940-09-21
1941	1941-05-04	1941-09-22
1942	1942-06-04	1942-09-16
1943	1943-06-03	1943-09-04
1944	1944-05-29	1944-08-15
1945	1945-06-23	1945-09-08
1946	1946-06-16	1946-08-16
1947	1947-06-09	1947-09-18
1948	1948-05-20	1948-09-18
1949	1949-05-03	1949-08-27
1950	1950-05-24	1950-10-18
1951	1951-05-15	1951-07-30
1952	1952-05-01	1952-09-28
1953	1953-05-08	1953-09-03
1954	1954-06-08	1954-09-06
1955	1955-05-02	1955-09-18
1956	1956-05-22	1956-09-03
1957	1957-04-30	1957-09-01
1958	1958-05-17	1958-08-30
1959	1959-05-02	1959-09-09
1960	1960-04-23	1960-09-07
1961	1961-05-13	1961-09-10
1962	1962-04-25	1962-08-29
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-03
1965	1965-05-02	1965-08-15
1966	1966-05-26	1966-09-01
1967	1967-05-26	1967-08-25
1968	1968-05-15	1968-08-24
1969	1969-05-27	1969-08-31
1970	1970-04-29	1970-09-08
1971	1971-06-04	1971-09-08
1974	1974-05-21	1974-09-08
1975	1975-05-19	1975-08-13
1976	1976-06-07	1976-10-02
1977	1977-05-13	1977-08-28
1978	1978-05-27	1978-09-11
1979	1979-06-04	1979-09-06
1980	1980-04-23	1980-08-21
1981	1981-06-07	1981-09-12
1982	1982-05-15	1982-09-12
1983	1983-06-12	1983-09-11
1984	1984-06-06	1984-09-08
1985	1985-04-19	1985-09-20
1986	1986-05-30	1986-08-17
1987	1987-04-21	1987-08-16
1988	1988-05-29	1988-09-03
1989	1989-06-23	1989-08-28
1990	1990-04-25	1990-09-05
1991	1991-04-07	1991-09-10
1992	1992-06-12	1992-08-26
1993	1993-08-11	1993-08-27
1994	1994-05-21	1994-09-15
1995	1995-06-16	1995-08-30
1996	1996-05-19	1996-09-06
1997	1997-06-23	1997-08-03
1998	1998-05-18	1998-09-14
1999	1999-05-29	1999-09-05
2000	2000-05-08	2000-07-17
2001	2001-05-01	2001-08-13
2002	2002-04-16	2002-09-10
2003	2003-04-15	2003-09-08
2004	2004-06-08	2004-07-21
2005	2005-06-08	2005-09-22
2006	2006-05-29	2006-08-05
2007	2007-04-30	2007-09-06
2008	2008-07-08	2008-09-03
2009	2009-05-21	2009-08-15
2010	2010-05-24	2010-08-31
2011	2011-05-31	2011-09-02
2012	2012-05-19	2012-09-05
2013	2013-05-01	2013-09-11
2014	2014-05-27	2014-08-04
2015	2015-07-18	2015-09-07
2016	2016-05-07	2016-09-07
2017	2017-06-05	2017-09-26
2018	2018-05-25	2018-09-18
2019	2019-06-01	2019-08-08
2020	2020-05-26	2020-08-27
2021	2021-05-23	2021-09-20
2022	2022-05-11	2022-09-02
2023	2023-04-13	2023-10-02
2024	2024-05-19	2024-09-20

Every Fixed Threshold

Fixed thresholds at Waupaca
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	122	71	1921	21
35 C (95 F): Days	85	21	1916	3
40 C (104 F): Days	6	4	1936	1
90 F (32.2 C): Days	119	47	1921	3
100 F (37.8 C): Days	27	7	1936	1
0 C (32 F): Ice days (max	123	102	1926	42
0 C (32 F): Frost days (min	125	193	1907	57
-10 C (14 F): Days with min	125	93	2014	38
-20 C (-4 F): Days with min	125	42	1917	10
-30 C (-22 F): Days with min	56	15	1899	3
-40 C (-40 F): Days with min	1	1	1929	1
20 C (68 F): Tropical nights (min	120	20	1955	6
25 C (77 F): Days with min	16	2	1934	2
10 mm (0.39 in): Days with 10 mm or more rain	115	40	1993	34
25 mm (0.98 in): Days with 25 mm or more rain	114	16	2024	16
50 mm (1.97 in): Days with 50 mm or more rain	82	4	1960	4
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1940	1
10 cm (3.9 in): Days with 10 cm or more snowfall	87	11	2019	2
25 cm (9.8 in): Days with 25 cm or more snowfall	19	2	1918	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Waupaca 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).

Waupaca Threshold Days by Year (USC00478951)

Key Facts for Waupaca Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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