Baraboo Wwtp Threshold Days by Year

18 fixed thresholds counted per year at Baraboo Wwtp (USC00470516): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Baraboo Wwtp Thresholds

Baraboo Wwtp: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 2018 with 43.
Baraboo Wwtp: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 2018 with 16.
Baraboo Wwtp: days with a maximum temperature at or above 30 C (86 F) in 78 years, most in 1988 with 59.
Baraboo Wwtp: days with a maximum temperature at or below 0 C (32 F) in 78 years, most in 1978 with 88.
18 fixed thresholds have at least one qualifying day at Baraboo Wwtp.

Days at or above 30 C (86 F)

78 years with a qualifying day

Days per year at Baraboo Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1988.

Days at or above 30 C (86 F) per year at Baraboo Wwtp
Year	Days	Decade average
1893	33	33
1950	11	26.6
1951	13	26.6
1952	41	26.6
1953	31	26.6
1954	22	26.6
1955	49	26.6
1956	23	26.6
1957	22	26.6
1958	20	26.6
1959	34	26.6
1960	17	23.9
1961	33	23.9
1962	20	23.9
1963	41	23.9
1964	38	23.9
1965	19	23.9
1966	21	23.9
1967	9	23.9
1968	25	23.9
1969	16	23.9
1970	33	24.7
1971	24	24.7
1972	27	24.7
1973	23	24.7
1974	16	24.7
1975	30	24.7
1976	35	24.7
1977	25	24.7
1978	23	24.7
1979	11	24.7
1980	28	26.6
1981	11	26.6
1982	7	26.6
1983	44	26.6
1984	18	26.6
1985	21	26.6
1986	18	26.6
1987	35	26.6
1988	59	26.6
1989	25	26.6
1990	20	24.2
1991	40	24.2
1992	14	24.2
1993	12	24.2
1994	19	24.2
1995	40	24.2
1996	18	24.2
1997	15	24.2
1998	32	24.2
1999	32	24.2
2000	14	28
2001	39	28
2002	41	28
2003	39	28
2004	10	28
2005	41	28
2006	27	28
2007	42	28
2008	13	28
2009	14	28
2010	30	28.5
2011	36	28.5
2012	47	28.5
2013	30	28.5
2014	13	28.5
2015	16	28.5
2016	25	28.5
2017	25	28.5
2018	38	28.5
2019	25	28.5
2020	34	32.4
2021	37	32.4
2022	26	32.4
2023	38	32.4
2024	28	32.4
2025	39	32.4
2026	25	32.4

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

First to last qualifying date each year at Baraboo Wwtp
Year	First date	Last date
1893	1893-06-12	1893-09-14
1950	1950-06-08	1950-08-16
1951	1951-07-15	1951-08-30
1952	1952-04-28	1952-09-28
1953	1953-05-29	1953-10-02
1954	1954-06-11	1954-09-06
1955	1955-05-03	1955-09-18
1956	1956-05-22	1956-09-03
1957	1957-05-01	1957-09-01
1958	1958-06-30	1958-09-03
1959	1959-05-02	1959-09-09
1960	1960-07-21	1960-09-08
1961	1961-06-10	1961-09-10
1962	1962-05-15	1962-09-12
1963	1963-06-02	1963-10-06
1964	1964-05-18	1964-09-09
1965	1965-05-02	1965-08-17
1966	1966-05-26	1966-08-31
1967	1967-05-26	1967-07-29
1968	1968-06-05	1968-09-03
1969	1969-05-28	1969-08-30
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	1973-09-02
1974	1974-05-21	1974-08-26
1975	1975-05-18	1975-10-13
1976	1976-06-07	1976-10-01
1977	1977-05-16	1977-08-27
1978	1978-05-26	1978-09-19
1979	1979-06-15	1979-08-30
1980	1980-04-22	1980-09-08
1981	1981-06-05	1981-08-13
1982	1982-06-28	1982-08-03
1983	1983-06-12	1983-09-09
1984	1984-07-09	1984-09-12
1985	1985-04-19	1985-09-07
1986	1986-05-31	1986-08-25
1987	1987-04-20	1987-08-15
1988	1988-05-28	1988-09-17
1989	1989-06-21	1989-08-22
1990	1990-04-25	1990-09-12
1991	1991-04-06	1991-09-09
1992	1992-05-02	1992-08-26
1993	1993-06-23	1993-08-27
1994	1994-06-07	1994-09-16
1995	1995-05-21	1995-09-06
1996	1996-05-19	1996-09-08
1997	1997-06-23	1997-08-04
1998	1998-05-15	1998-09-14
1999	1999-05-29	1999-09-05
2000	2000-06-09	2000-09-02
2001	2001-05-16	2001-08-10
2002	2002-04-16	2002-09-10
2003	2003-04-15	2003-09-19
2004	2004-06-08	2004-09-13
2005	2005-06-08	2005-10-05
2006	2006-05-29	2006-08-05
2007	2007-04-30	2007-10-08
2008	2008-06-21	2008-09-03
2009	2009-06-20	2009-08-17
2010	2010-05-24	2010-08-30
2011	2011-05-13	2011-09-02
2012	2012-05-19	2012-09-12
2013	2013-05-01	2013-09-11
2014	2014-06-01	2014-09-05
2015	2015-06-10	2015-09-07
2016	2016-05-07	2016-09-07
2017	2017-05-17	2017-09-26
2018	2018-05-25	2018-09-18
2019	2019-06-28	2019-10-01
2020	2020-05-25	2020-08-29
2021	2021-05-02	2021-10-02
2022	2022-05-11	2022-09-02
2023	2023-05-31	2023-10-02
2024	2024-05-19	2024-09-20
2025	2025-05-16	2025-10-05
2026	2026-05-27	2026-09-03

Every Fixed Threshold

Fixed thresholds at Baraboo Wwtp
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	78	59	1988	25
35 C (95 F): Days	39	16	1988	1
90 F (32.2 C): Days	74	41	1988	9
100 F (37.8 C): Days	5	8	2012	1
0 C (32 F): Ice days (max	78	88	1978	36
0 C (32 F): Frost days (min	77	201	1996	97
-10 C (14 F): Days with min	77	95	1978	36
-20 C (-4 F): Days with min	77	50	1978	14
-30 C (-22 F): Days with min	35	12	1979	2
-40 C (-40 F): Days with min	3	2	1996	2
20 C (68 F): Tropical nights (min	73	25	2025	8
25 C (77 F): Days with min	10	2	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	82	43	2018	27
25 mm (0.98 in): Days with 25 mm or more rain	82	16	2018	9
50 mm (1.97 in): Days with 50 mm or more rain	58	7	2010	1
100 mm (3.94 in): Days with 100 mm or more rain	8	2	2008	2
10 cm (3.9 in): Days with 10 cm or more snowfall	66	10	2008	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	2	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 1893.

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Data for Baraboo Wwtp 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Baraboo Wwtp Threshold Days by Year

Key Facts for Baraboo Wwtp Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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