Whitewater Wwtp Threshold Days by Year (USC00479190)

17 fixed thresholds counted per year at Whitewater Wwtp (USC00479190): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Whitewater Wwtp Thresholds

Whitewater Wwtp: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 2018 with 42.
Whitewater Wwtp: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 2001 with 14.
Whitewater Wwtp: days with a maximum temperature at or above 30 C (86 F) in 77 years, most in 1955 with 60.
Whitewater Wwtp: days with a maximum temperature at or below 0 C (32 F) in 77 years, most in 2014 with 84.
17 fixed thresholds have at least one qualifying day at Whitewater Wwtp.

Days at or above 30 C (86 F)

77 years with a qualifying day

Days per year at Whitewater Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 1955.

Days at or above 30 C (86 F) per year at Whitewater Wwtp
Year	Days	Decade average
1950	13	39.9
1951	15	39.9
1952	48	39.9
1953	59	39.9
1954	39	39.9
1955	60	39.9
1956	43	39.9
1957	40	39.9
1958	27	39.9
1959	55	39.9
1960	28	33
1961	35	33
1962	31	33
1963	41	33
1964	45	33
1965	26	33
1966	39	33
1967	13	33
1968	34	33
1969	38	33
1970	51	42.1
1971	46	42.1
1972	38	42.1
1973	37	42.1
1974	30	42.1
1975	45	42.1
1976	50	42.1
1977	46	42.1
1978	43	42.1
1979	35	42.1
1980	43	33.6
1981	27	33.6
1982	26	33.6
1983	51	33.6
1984	28	33.6
1985	27	33.6
1986	17	33.6
1987	42	33.6
1988	53	33.6
1989	22	33.6
1990	15	22.2
1991	41	22.2
1992	8	22.2
1993	15	22.2
1994	18	22.2
1995	31	22.2
1996	21	22.2
1997	19	22.2
1998	19	22.2
1999	35	22.2
2000	13	24.6
2001	35	24.6
2002	40	24.6
2003	31	24.6
2004	8	24.6
2005	43	24.6
2006	24	24.6
2007	35	24.6
2008	11	24.6
2009	6	24.6
2010	29	26.8
2011	40	26.8
2012	56	26.8
2013	26	26.8
2014	7	26.8
2015	18	26.8
2016	25	26.8
2017	20	26.8
2018	29	26.8
2019	18	26.8
2020	29	27.4
2021	41	27.4
2022	25	27.4
2023	23	27.4
2024	26	27.4
2025	26	27.4
2026	22	27.4

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

First to last qualifying date each year at Whitewater Wwtp
Year	First date	Last date
1950	1950-05-25	1950-08-17
1951	1951-05-16	1951-09-12
1952	1952-05-01	1952-09-28
1953	1953-05-29	1953-10-20
1954	1954-06-11	1954-09-27
1955	1955-05-03	1955-09-18
1956	1956-05-22	1956-09-22
1957	1957-06-15	1957-09-01
1958	1958-06-29	1958-09-03
1959	1959-05-02	1959-09-23
1960	1960-06-27	1960-09-09
1961	1961-05-14	1961-09-11
1962	1962-05-15	1962-09-12
1963	1963-06-02	1963-10-06
1964	1964-05-18	1964-09-10
1965	1965-05-02	1965-09-09
1966	1966-06-05	1966-09-02
1967	1967-05-26	1967-08-26
1968	1968-06-05	1968-09-04
1969	1969-05-16	1969-09-01
1970	1970-04-30	1970-09-08
1971	1971-06-04	1971-10-03
1972	1972-05-18	1972-08-31
1973	1973-06-08	1973-09-03
1974	1974-05-21	1974-09-11
1975	1975-05-18	1975-10-14
1976	1976-06-07	1976-10-01
1977	1977-04-17	1977-08-28
1978	1978-05-26	1978-09-20
1979	1979-05-08	1979-09-11
1980	1980-04-22	1980-08-29
1981	1981-06-05	1981-09-12
1982	1982-05-14	1982-10-07
1983	1983-06-11	1983-09-11
1984	1984-06-13	1984-09-25
1985	1985-04-22	1985-09-19
1986	1986-04-27	1986-07-25
1987	1987-04-21	1987-08-17
1988	1988-05-29	1988-09-18
1989	1989-05-25	1989-07-28
1990	1990-04-26	1990-09-07
1991	1991-05-13	1991-09-16
1992	1992-05-17	1992-08-26
1993	1993-05-10	1993-08-28
1994	1994-05-22	1994-09-16
1995	1995-06-16	1995-09-06
1996	1996-05-18	1996-09-06
1997	1997-06-21	1997-10-08
1998	1998-05-18	1998-09-27
1999	1999-05-30	1999-09-06
2000	2000-06-02	2000-09-11
2001	2001-05-16	2001-09-04
2002	2002-04-16	2002-09-10
2003	2003-04-16	2003-09-12
2004	2004-06-08	2004-09-13
2005	2005-06-08	2005-10-05
2006	2006-05-29	2006-08-24
2007	2007-05-15	2007-10-08
2008	2008-06-08	2008-09-03
2009	2009-06-23	2009-08-09
2010	2010-05-24	2010-10-10
2011	2011-05-12	2011-09-04
2012	2012-05-20	2012-09-13
2013	2013-05-01	2013-09-11
2014	2014-05-09	2014-08-23
2015	2015-06-10	2015-09-07
2016	2016-05-26	2016-09-07
2017	2017-06-05	2017-09-27
2018	2018-05-25	2018-09-21
2019	2019-06-28	2019-08-06
2020	2020-05-27	2020-08-29
2021	2021-05-02	2021-10-02
2022	2022-05-11	2022-08-07
2023	2023-05-31	2023-09-06
2024	2024-05-19	2024-09-22
2025	2025-05-16	2025-10-05
2026	2026-05-27	2026-10-13

Every Fixed Threshold

Fixed thresholds at Whitewater Wwtp
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	77	60	1955	22
35 C (95 F): Days	44	16	1955	2
90 F (32.2 C): Days	75	39	1955	9
100 F (37.8 C): Days	6	4	1953	4
0 C (32 F): Ice days (max	77	84	2014	36
0 C (32 F): Frost days (min	75	175	1976	92
-10 C (14 F): Days with min	75	84	2014	34
-20 C (-4 F): Days with min	75	34	1963	10
-30 C (-22 F): Days with min	17	7	1994	5
20 C (68 F): Tropical nights (min	75	23	1959	12
25 C (77 F): Days with min	5	2	2006	1
10 mm (0.39 in): Days with 10 mm or more rain	83	42	2018	30
25 mm (0.98 in): Days with 25 mm or more rain	83	14	2001	9
50 mm (1.97 in): Days with 50 mm or more rain	55	4	1950	2
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1950	1
10 cm (3.9 in): Days with 10 cm or more snowfall	63	7	2008	2
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1942	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

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Data for Whitewater 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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

Whitewater Wwtp Threshold Days by Year (USC00479190)

Key Facts for Whitewater Wwtp Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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