Keithsburg Threshold Days by Year (USC00114655)

6 fixed thresholds counted per year at Keithsburg (USC00114655): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Keithsburg Thresholds

Keithsburg: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1973 with 47.
Keithsburg: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1973 with 18.
Keithsburg: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1982 with 6.
Keithsburg: days with 10 cm (3.9 in) or more of snowfall in 45 years, most in 1960 with 5.
6 fixed thresholds have at least one qualifying day at Keithsburg.

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

67 years with a qualifying day

Days per year at Keithsburg with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Keithsburg
Year	Days	Decade average
1933	14	21.3
1934	22	21.3
1935	23	21.3
1936	12	21.3
1937	18	21.3
1938	36	21.3
1939	24	21.3
1940	16	26
1941	32	26
1943	26	26
1944	33	26
1948	19	26
1949	30	26
1950	25	23.6
1951	31	23.6
1952	23	23.6
1953	16	23.6
1954	28	23.6
1955	26	23.6
1956	11	23.6
1957	28	23.6
1958	21	23.6
1959	27	23.6
1960	28	23.7
1961	29	23.7
1962	20	23.7
1963	17	23.7
1964	21	23.7
1965	34	23.7
1966	24	23.7
1967	29	23.7
1968	15	23.7
1969	20	23.7
1970	23	27.9
1971	16	27.9
1972	24	27.9
1973	47	27.9
1974	36	27.9
1975	26	27.9
1976	22	27.9
1977	31	27.9
1978	28	27.9
1979	26	27.9
1980	30	28.5
1981	29	28.5
1982	47	28.5
1983	22	28.5
1984	33	28.5
1985	20	28.5
1986	32	28.5
1987	28	28.5
1988	21	28.5
1989	23	28.5
1990	34	29.8
1991	24	29.8
1992	29	29.8
1993	38	29.8
1994	24	29.8
1995	30	29.8
1996	28	29.8
1997	30	29.8
1998	33	29.8
1999	28	29.8
2000	29	28.3
2001	36	28.3
2002	25	28.3
2003	23	28.3

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

First to last qualifying date each year at Keithsburg
Year	First date	Last date
1933	1933-01-19	1933-09-27
1934	1934-04-04	1934-11-30
1935	1935-01-08	1935-12-15
1936	1936-02-26	1936-12-27
1937	1937-01-02	1937-12-15
1938	1938-01-24	1938-11-07
1939	1939-02-10	1939-11-10
1940	1940-01-14	1940-12-16
1941	1941-01-02	1941-12-26
1943	1943-02-03	1943-11-07
1944	1944-02-18	1944-11-07
1948	1948-01-01	1948-12-30
1949	1949-01-10	1949-12-22
1950	1950-01-01	1950-09-21
1951	1951-02-16	1951-12-21
1952	1952-01-19	1952-12-20
1953	1953-02-20	1953-12-03
1954	1954-02-16	1954-12-30
1955	1955-01-05	1955-10-07
1956	1956-04-29	1956-11-21
1957	1957-01-10	1957-12-25
1958	1958-01-22	1958-11-18
1959	1959-01-21	1959-12-28
1960	1960-01-12	1960-10-31
1961	1961-02-18	1961-12-23
1962	1962-01-26	1962-11-16
1963	1963-03-04	1963-11-23
1964	1964-03-05	1964-12-04
1965	1965-01-03	1965-12-25
1966	1966-01-13	1966-12-28
1967	1967-01-25	1967-11-02
1968	1968-04-04	1968-11-29
1969	1969-01-16	1969-12-07
1970	1970-03-26	1970-12-11
1971	1971-02-20	1971-12-30
1972	1972-03-13	1972-12-12
1973	1973-01-04	1973-12-25
1974	1974-01-20	1974-12-15
1975	1975-01-25	1975-12-14
1976	1976-03-01	1976-11-27
1977	1977-02-24	1977-11-07
1978	1978-01-01	1978-12-30
1979	1979-01-01	1979-12-25
1980	1980-01-16	1980-10-28
1981	1981-04-12	1981-12-01
1982	1982-01-04	1982-12-24
1983	1983-01-23	1983-12-11
1984	1984-02-17	1984-12-29
1985	1985-02-21	1985-12-02
1986	1986-02-04	1986-12-08
1987	1987-03-01	1987-12-28
1988	1988-01-20	1988-12-27
1989	1989-01-06	1989-10-06
1990	1990-01-04	1990-12-29
1991	1991-01-05	1991-12-23
1992	1992-02-15	1992-12-31
1993	1993-02-12	1993-11-25
1994	1994-02-13	1994-12-07
1995	1995-01-14	1995-11-11
1996	1996-01-18	1996-11-30
1997	1997-01-25	1997-12-25
1998	1998-01-04	1998-12-08
1999	1999-01-02	1999-12-06
2000	2000-02-18	2000-12-12
2001	2001-01-29	2001-11-25
2002	2002-01-31	2002-12-19
2003	2003-02-15	2003-12-11

Every Fixed Threshold

Fixed thresholds at Keithsburg
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	67	47	1973	23
25 mm (0.98 in): Days with 25 mm or more rain	67	18	1973	8
50 mm (1.97 in): Days with 50 mm or more rain	50	6	1982	3
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1948	1
10 cm (3.9 in): Days with 10 cm or more snowfall	45	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

Data for Keithsburg 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).

Keithsburg Threshold Days by Year (USC00114655)

Key Facts for Keithsburg Thresholds

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

Every Fixed Threshold

Download the Data

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