Winona Fire Twr Threshold Days by Year

6 fixed thresholds counted per year at Winona Fire Twr (USC00169809): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Winona Fire Twr Thresholds

Winona Fire Twr: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1974 with 63.
Winona Fire Twr: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1979 with 36.
Winona Fire Twr: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1982 with 11.
Winona Fire Twr: days with 100 mm (3.94 in) or more of precipitation in 19 years, most in 1958 with 3.
6 fixed thresholds have at least one qualifying day at Winona Fire Twr.

Days with 10 mm (0.39 in) or more of precipitation

43 years with a qualifying day

Days per year at Winona Fire Twr with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 63 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Winona Fire Twr
Year	Days	Decade average
1952	36	42.6
1953	47	42.6
1954	27	42.6
1955	45	42.6
1956	42	42.6
1957	60	42.6
1958	46	42.6
1959	38	42.6
1960	42	41.4
1961	62	41.4
1962	35	41.4
1963	37	41.4
1964	39	41.4
1965	38	41.4
1966	40	41.4
1967	39	41.4
1968	51	41.4
1969	31	41.4
1970	42	50.6
1971	34	50.6
1972	49	50.6
1973	57	50.6
1974	63	50.6
1975	55	50.6
1976	51	50.6
1977	47	50.6
1978	45	50.6
1979	63	50.6
1980	35	46.2
1981	44	46.2
1982	53	46.2
1983	53	46.2
1984	46	46.2
1998	45	39
1999	33	39
2000	42	39.1
2001	50	39.1
2002	38	39.1
2003	34	39.1
2004	41	39.1
2005	30	39.1
2006	42	39.1
2007	36	39.1

For each year, a bar from the first to the last day at Winona Fire Twr meeting 10 mm (0.39 in).

First to last qualifying date each year at Winona Fire Twr
Year	First date	Last date
1952	1952-01-04	1952-12-31
1953	1953-01-23	1953-12-28
1954	1954-01-10	1954-12-29
1955	1955-01-09	1955-12-04
1956	1956-01-18	1956-12-22
1957	1957-01-04	1957-12-28
1958	1958-01-13	1958-12-23
1959	1959-01-21	1959-12-17
1960	1960-01-01	1960-12-31
1961	1961-01-07	1961-12-17
1962	1962-01-05	1962-12-29
1963	1963-01-05	1963-12-21
1964	1964-01-06	1964-12-20
1965	1965-01-03	1965-12-19
1966	1966-01-02	1966-12-28
1967	1967-01-13	1967-12-31
1968	1968-01-04	1968-12-30
1969	1969-02-01	1969-12-30
1970	1970-01-06	1970-12-30
1971	1971-01-04	1971-12-17
1972	1972-01-02	1972-12-30
1973	1973-01-03	1973-12-26
1974	1974-01-03	1974-12-30
1975	1975-01-03	1975-12-29
1976	1976-01-02	1976-12-25
1977	1977-01-03	1977-12-29
1978	1978-01-08	1978-12-31
1979	1979-01-01	1979-12-24
1980	1980-01-03	1980-12-09
1981	1981-01-06	1981-12-31
1982	1982-01-03	1982-12-27
1983	1983-01-01	1983-12-22
1984	1984-01-09	1984-12-05
1998	1998-01-05	1998-12-28
1999	1999-01-02	1999-12-21
2000	2000-02-14	2000-12-28
2001	2001-01-11	2001-12-23
2002	2002-01-06	2002-12-31
2003	2003-01-26	2003-12-29
2004	2004-01-08	2004-12-22
2005	2005-01-03	2005-12-15
2006	2006-01-17	2006-12-30
2007	2007-01-05	2007-12-28

Every Fixed Threshold

Fixed thresholds at Winona Fire Twr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	43	63	1974	36
25 mm (0.98 in): Days with 25 mm or more rain	43	36	1979	18
50 mm (1.97 in): Days with 50 mm or more rain	42	11	1982	10
100 mm (3.94 in): Days with 100 mm or more rain	19	3	1958	2
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1958	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

Data for Winona Fire Twr 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).

Winona Fire Twr Threshold Days by Year

Key Facts for Winona Fire Twr Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

Related