Wilby Threshold Days by Year

3 fixed thresholds counted per year at Wilby (ASN00081055): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilby Thresholds

Wilby: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1956 with 31.
Wilby: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1973 with 10.
Wilby: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1939 with 4.
3 fixed thresholds have at least one qualifying day at Wilby.

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

72 years with a qualifying day

Days per year at Wilby with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Wilby
Year	Days	Decade average
1907	9	13.7
1908	14	13.7
1909	18	13.7
1910	13	15.8
1911	15	15.8
1912	17	15.8
1913	16	15.8
1914	10	15.8
1915	12	15.8
1916	23	15.8
1917	18	15.8
1918	24	15.8
1919	10	15.8
1920	19	14.7
1921	21	14.7
1922	9	14.7
1923	10	14.7
1924	20	14.7
1925	9	14.7
1930	12	15.6
1931	19	15.6
1932	14	15.6
1933	13	15.6
1936	18	15.6
1937	15	15.6
1938	6	15.6
1939	28	15.6
1941	15	16.6
1942	16	16.6
1946	15	16.6
1947	22	16.6
1948	15	16.6
1950	18	18.2
1951	15	18.2
1952	23	18.2
1953	13	18.2
1954	19	18.2
1955	20	18.2
1956	31	18.2
1957	9	18.2
1958	17	18.2
1959	17	18.2
1960	15	14.2
1961	12	14.2
1962	16	14.2
1963	15	14.2
1964	18	14.2
1965	11	14.2
1966	19	14.2
1967	5	14.2
1968	15	14.2
1969	16	14.2
1970	18	18.3
1971	15	18.3
1972	11	18.3
1973	26	18.3
1974	31	18.3
1975	27	18.3
1976	10	18.3
1977	5	18.3
1978	26	18.3
1979	14	18.3
1980	14	17
1981	25	17
1982	6	17
1983	16	17
1984	17	17
1986	18	17
1987	17	17
1988	16	17
1989	24	17
1990	16	16

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

First to last qualifying date each year at Wilby
Year	First date	Last date
1907	1907-03-05	1907-12-28
1908	1908-01-31	1908-11-22
1909	1909-02-25	1909-10-04
1910	1910-01-15	1910-11-04
1911	1911-01-13	1911-12-13
1912	1912-01-06	1912-12-27
1913	1913-01-02	1913-10-29
1914	1914-02-26	1914-12-26
1915	1915-05-14	1915-10-13
1916	1916-01-29	1916-12-09
1917	1917-02-20	1917-11-22
1918	1918-01-11	1918-12-25
1919	1919-02-18	1919-12-28
1920	1920-04-13	1920-11-15
1921	1921-01-02	1921-12-23
1922	1922-05-04	1922-12-27
1923	1923-05-08	1923-12-26
1924	1924-01-06	1924-12-14
1925	1925-01-12	1925-11-20
1930	1930-03-14	1930-12-25
1931	1931-01-07	1931-11-14
1932	1932-03-07	1932-12-09
1933	1933-01-12	1933-12-16
1936	1936-01-04	1936-12-28
1937	1937-01-06	1937-10-19
1938	1938-06-16	1938-08-28
1939	1939-02-17	1939-11-16
1941	1941-01-04	1941-12-26
1942	1942-01-17	1942-11-21
1946	1946-01-18	1946-11-19
1947	1947-02-10	1947-12-21
1948	1948-02-04	1948-12-29
1950	1950-02-03	1950-11-14
1951	1951-01-06	1951-10-25
1952	1952-03-22	1952-12-11
1953	1953-01-15	1953-10-21
1954	1954-01-29	1954-12-12
1955	1955-01-29	1955-12-26
1956	1956-01-18	1956-11-16
1957	1957-03-13	1957-12-31
1958	1958-02-20	1958-12-15
1959	1959-01-26	1959-12-24
1960	1960-01-04	1960-12-16
1961	1961-02-28	1961-12-16
1962	1962-01-12	1962-12-31
1963	1963-01-02	1963-10-28
1964	1964-04-08	1964-12-23
1965	1965-05-31	1965-12-08
1966	1966-01-30	1966-12-14
1967	1967-03-08	1967-09-15
1968	1968-01-11	1968-12-24
1969	1969-02-11	1969-11-15
1970	1970-01-02	1970-11-12
1971	1971-01-31	1971-12-10
1972	1972-01-13	1972-11-24
1973	1973-01-13	1973-12-30
1974	1974-01-04	1974-12-10
1975	1975-01-26	1975-12-29
1976	1976-01-06	1976-12-24
1977	1977-02-06	1977-11-30
1978	1978-01-06	1978-12-25
1979	1979-01-21	1979-11-12
1980	1980-01-12	1980-12-17
1981	1981-01-28	1981-12-13
1982	1982-01-26	1982-05-29
1983	1983-02-23	1983-12-07
1984	1984-01-01	1984-10-28
1986	1986-04-16	1986-12-17
1987	1987-01-03	1987-12-27
1988	1988-02-10	1988-12-26
1989	1989-02-14	1989-11-24
1990	1990-02-09	1990-10-20

Every Fixed Threshold

Fixed thresholds at Wilby
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	72	31	1956	16
25 mm (0.98 in): Days with 25 mm or more rain	68	10	1973	2
50 mm (1.97 in): Days with 50 mm or more rain	15	4	1939	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Wilby 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Wilby Threshold Days by Year

Key Facts for Wilby Thresholds

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

Every Fixed Threshold

Download the Data

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