Harvey Post Office Threshold Days by Year

4 fixed thresholds counted per year at Harvey Post Office (ASN00009554): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harvey Post Office Thresholds

Harvey Post Office: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1917 with 56.
Harvey Post Office: days with 25 mm (0.98 in) or more of precipitation in 80 years, most in 1945 with 16.
Harvey Post Office: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1945 with 4.
Harvey Post Office: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1945 with 1.
4 fixed thresholds have at least one qualifying day at Harvey Post Office.

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

80 years with a qualifying day

Days per year at Harvey Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Harvey Post Office
Year	Days	Decade average
1907	35	31.7
1908	30	31.7
1909	30	31.7
1910	41	36.5
1911	27	36.5
1912	31	36.5
1913	35	36.5
1914	21	36.5
1915	41	36.5
1916	37	36.5
1917	56	36.5
1918	46	36.5
1919	30	36.5
1920	36	36.9
1921	37	36.9
1922	30	36.9
1923	46	36.9
1924	35	36.9
1925	25	36.9
1926	56	36.9
1927	40	36.9
1928	38	36.9
1929	26	36.9
1930	36	35.6
1931	36	35.6
1932	37	35.6
1933	39	35.6
1934	34	35.6
1935	41	35.6
1936	28	35.6
1937	36	35.6
1938	31	35.6
1939	38	35.6
1940	22	34.9
1941	41	34.9
1942	43	34.9
1943	29	34.9
1944	23	34.9
1945	45	34.9
1946	40	34.9
1947	35	34.9
1948	37	34.9
1949	34	34.9
1950	35	34.2
1951	32	34.2
1952	34	34.2
1953	30	34.2
1954	29	34.2
1955	43	34.2
1956	40	34.2
1957	38	34.2
1958	33	34.2
1959	28	34.2
1960	31	33.7
1961	37	33.7
1962	34	33.7
1963	42	33.7
1964	42	33.7
1965	34	33.7
1966	26	33.7
1967	36	33.7
1968	35	33.7
1969	20	33.7
1970	30	30.9
1971	35	30.9
1972	24	30.9
1973	43	30.9
1974	41	30.9
1975	22	30.9
1976	22	30.9
1977	29	30.9
1978	33	30.9
1979	30	30.9
1981	21	29.6
1982	28	29.6
1983	35	29.6
1984	37	29.6
1985	28	29.6
1986	31	29.6
1987	27	29.6

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

First to last qualifying date each year at Harvey Post Office
Year	First date	Last date
1907	1907-03-27	1907-10-24
1908	1908-02-26	1908-11-26
1909	1909-03-27	1909-10-26
1910	1910-01-04	1910-11-27
1911	1911-04-22	1911-10-19
1912	1912-04-02	1912-10-20
1913	1913-03-16	1913-12-07
1914	1914-02-17	1914-12-12
1915	1915-02-21	1915-10-20
1916	1916-04-16	1916-11-23
1917	1917-02-10	1917-12-20
1918	1918-01-19	1918-10-28
1919	1919-04-18	1919-10-15
1920	1920-03-29	1920-10-10
1921	1921-02-19	1921-11-04
1922	1922-04-29	1922-12-07
1923	1923-01-20	1923-10-08
1924	1924-02-03	1924-11-10
1925	1925-03-04	1925-10-11
1926	1926-02-24	1926-11-19
1927	1927-03-13	1927-10-24
1928	1928-01-09	1928-12-21
1929	1929-05-02	1929-09-04
1930	1930-05-05	1930-10-18
1931	1931-03-05	1931-10-07
1932	1932-03-28	1932-11-30
1933	1933-01-16	1933-10-19
1934	1934-03-09	1934-09-24
1935	1935-02-25	1935-12-01
1936	1936-01-11	1936-09-30
1937	1937-02-11	1937-10-08
1938	1938-03-16	1938-11-02
1939	1939-01-24	1939-11-25
1940	1940-05-23	1940-12-06
1941	1941-04-01	1941-11-17
1942	1942-02-28	1942-10-22
1943	1943-01-31	1943-09-20
1944	1944-04-29	1944-12-15
1945	1945-03-26	1945-12-25
1946	1946-05-13	1946-12-23
1947	1947-04-16	1947-10-25
1948	1948-03-29	1948-12-24
1949	1949-04-17	1949-10-28
1950	1950-05-04	1950-12-27
1951	1951-02-22	1951-12-05
1952	1952-03-28	1952-11-05
1953	1953-02-02	1953-11-16
1954	1954-04-12	1954-11-11
1955	1955-02-15	1955-12-14
1956	1956-03-04	1956-11-29
1957	1957-03-19	1957-10-20
1958	1958-04-17	1958-11-03
1959	1959-04-13	1959-12-31
1960	1960-01-01	1960-10-15
1961	1961-03-27	1961-12-15
1962	1962-04-26	1962-11-30
1963	1963-04-22	1963-10-17
1964	1964-04-11	1964-12-19
1965	1965-03-26	1965-12-01
1966	1966-01-03	1966-12-27
1967	1967-02-18	1967-11-16
1968	1968-01-27	1968-10-21
1969	1969-03-13	1969-11-24
1970	1970-02-05	1970-12-30
1971	1971-02-06	1971-11-23
1972	1972-04-20	1972-10-28
1973	1973-01-08	1973-09-29
1974	1974-02-04	1974-11-19
1975	1975-04-15	1975-09-26
1976	1976-01-07	1976-11-12
1977	1977-02-21	1977-11-24
1978	1978-05-15	1978-12-22
1979	1979-03-15	1979-11-18
1981	1981-03-06	1981-11-26
1982	1982-01-21	1982-12-12
1983	1983-03-30	1983-11-07
1984	1984-04-11	1984-12-28
1985	1985-02-10	1985-11-08
1986	1986-02-22	1986-11-09
1987	1987-03-16	1987-12-24

Every Fixed Threshold

Fixed thresholds at Harvey Post Office
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	80	56	1917	27
25 mm (0.98 in): Days with 25 mm or more rain	80	16	1945	7
50 mm (1.97 in): Days with 50 mm or more rain	45	4	1945	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1945	1

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

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Data for Harvey Post Office 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Harvey Post Office Threshold Days by Year

Key Facts for Harvey Post Office Thresholds

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

Every Fixed Threshold

Download the Data

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