Mapleton Post Office Threshold Days by Year

5 fixed thresholds counted per year at Mapleton Post Office (ASN00040123): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mapleton Post Office Thresholds

Mapleton Post Office: days with 10 mm (0.39 in) or more of precipitation in 109 years, most in 1921 with 70.
Mapleton Post Office: days with 25 mm (0.98 in) or more of precipitation in 109 years, most in 1974 with 35.
Mapleton Post Office: days with 50 mm (1.97 in) or more of precipitation in 109 years, most in 1974 with 19.
Mapleton Post Office: days with 100 mm (3.94 in) or more of precipitation in 84 years, most in 2022 with 8.
5 fixed thresholds have at least one qualifying day at Mapleton Post Office.

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

109 years with a qualifying day

Days per year at Mapleton Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1921.

Days with 10 mm (0.39 in) or more of precipitation per year at Mapleton Post Office
Year	Days	Decade average
1903	54	47.7
1904	58	47.7
1905	35	47.7
1906	54	47.7
1907	33	47.7
1908	51	47.7
1909	49	47.7
1910	49	44.2
1911	45	44.2
1912	46	44.2
1913	51	44.2
1914	57	44.2
1915	29	44.2
1916	53	44.2
1917	38	44.2
1918	46	44.2
1919	28	44.2
1920	52	48.8
1921	70	48.8
1922	44	48.8
1923	40	48.8
1924	46	48.8
1925	54	48.8
1926	44	48.8
1927	55	48.8
1928	47	48.8
1929	36	48.8
1930	56	43.5
1931	49	43.5
1932	24	43.5
1933	47	43.5
1934	51	43.5
1935	46	43.5
1936	32	43.5
1937	43	43.5
1938	46	43.5
1939	41	43.5
1940	39	43.1
1941	40	43.1
1942	50	43.1
1943	44	43.1
1944	40	43.1
1945	43	43.1
1946	39	43.1
1947	49	43.1
1948	35	43.1
1949	52	43.1
1950	67	49
1951	20	49
1952	42	49
1953	46	49
1954	58	49
1955	51	49
1956	60	49
1957	27	49
1958	63	49
1959	56	49
1960	40	42.9
1961	55	42.9
1962	53	42.9
1963	41	42.9
1964	39	42.9
1965	41	42.9
1966	38	42.9
1967	46	42.9
1968	30	42.9
1969	46	42.9
1970	40	46.3
1971	45	46.3
1972	46	46.3
1973	47	46.3
1974	69	46.3
1975	47	46.3
1976	60	46.3
1977	24	46.3
1978	49	46.3
1979	36	46.3
1980	39	48.1
1981	45	48.1
1982	35	48.1
1983	63	48.1
1984	42	48.1
1985	48	48.1
1986	40	48.1
1987	56	48.1
1988	53	48.1
1989	60	48.1
1990	56	44.4
1991	35	44.4
1992	43	44.4
1993	40	44.4
1996	39	44.4
1997	41	44.4
1998	44	44.4
1999	57	44.4
2000	32	35.5
2001	22	35.5
2003	29	35.5
2006	35	35.5
2007	51	35.5
2009	44	35.5
2010	48	39
2011	40	39
2014	29	39
2021	46	46.2
2022	56	46.2
2023	30	46.2
2024	54	46.2
2025	45	46.2

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

First to last qualifying date each year at Mapleton Post Office
Year	First date	Last date
1903	1903-02-09	1903-12-14
1904	1904-01-01	1904-12-24
1905	1905-01-16	1905-12-31
1906	1906-01-02	1906-12-25
1907	1907-01-07	1907-12-30
1908	1908-01-03	1908-12-28
1909	1909-01-17	1909-12-31
1910	1910-01-01	1910-12-26
1911	1911-01-03	1911-12-04
1912	1912-01-02	1912-12-25
1913	1913-01-01	1913-12-28
1914	1914-01-14	1914-12-31
1915	1915-01-02	1915-12-16
1916	1916-01-04	1916-12-29
1917	1917-01-19	1917-12-25
1918	1918-01-03	1918-12-27
1919	1919-01-16	1919-12-18
1920	1920-01-02	1920-12-09
1921	1921-01-05	1921-12-31
1922	1922-01-01	1922-12-27
1923	1923-01-07	1923-12-27
1924	1924-01-07	1924-12-31
1925	1925-01-08	1925-12-30
1926	1926-01-02	1926-12-31
1927	1927-01-05	1927-12-26
1928	1928-01-09	1928-12-20
1929	1929-01-19	1929-12-31
1930	1930-01-01	1930-12-18
1931	1931-01-16	1931-12-23
1932	1932-01-13	1932-12-22
1933	1933-01-18	1933-12-29
1934	1934-01-02	1934-12-28
1935	1935-01-06	1935-12-28
1936	1936-01-09	1936-12-16
1937	1937-01-04	1937-12-17
1938	1938-01-08	1938-11-29
1939	1939-01-24	1939-12-27
1940	1940-01-05	1940-12-22
1941	1941-01-07	1941-12-30
1942	1942-01-17	1942-12-31
1943	1943-01-01	1943-12-31
1944	1944-01-03	1944-12-22
1945	1945-01-03	1945-12-19
1946	1946-01-14	1946-12-16
1947	1947-01-05	1947-12-21
1948	1948-01-02	1948-12-19
1949	1949-01-01	1949-12-17
1950	1950-01-05	1950-12-26
1951	1951-01-10	1951-12-17
1952	1952-01-09	1952-12-24
1953	1953-01-01	1953-12-28
1954	1954-01-04	1954-12-19
1955	1955-01-24	1955-12-31
1956	1956-01-05	1956-12-24
1957	1957-01-10	1957-12-17
1958	1958-01-01	1958-12-31
1959	1959-01-03	1959-12-28
1960	1960-01-01	1960-12-07
1961	1961-01-04	1961-12-20
1962	1962-01-03	1962-12-29
1963	1963-01-01	1963-12-16
1964	1964-01-02	1964-12-30
1965	1965-01-05	1965-12-20
1966	1966-01-19	1966-12-30
1967	1967-01-01	1967-12-09
1968	1968-01-09	1968-12-03
1969	1969-01-02	1969-12-29
1970	1970-01-02	1970-12-31
1971	1971-01-19	1971-12-28
1972	1972-01-08	1972-12-29
1973	1973-01-08	1973-12-21
1974	1974-01-02	1974-12-30
1975	1975-01-06	1975-12-24
1976	1976-01-11	1976-12-24
1977	1977-01-05	1977-11-19
1978	1978-01-07	1978-12-30
1979	1979-01-20	1979-12-28
1980	1980-01-07	1980-12-30
1981	1981-01-01	1981-12-30
1982	1982-01-09	1982-12-20
1983	1983-01-02	1983-12-31
1984	1984-01-01	1984-12-30
1985	1985-01-01	1985-12-23
1986	1986-01-10	1986-12-23
1987	1987-01-05	1987-12-25
1988	1988-01-01	1988-12-30
1989	1989-01-06	1989-12-25
1990	1990-01-16	1990-12-31
1991	1991-01-01	1991-12-22
1992	1992-01-01	1992-12-31
1993	1993-01-06	1993-12-24
1996	1996-01-04	1996-12-19
1997	1997-01-21	1997-12-29
1998	1998-01-13	1998-12-31
1999	1999-01-01	1999-12-19
2000	2000-01-06	2000-12-29
2001	2001-02-01	2001-12-07
2003	2003-02-05	2003-12-29
2006	2006-01-07	2006-12-28
2007	2007-01-04	2007-12-31
2009	2009-01-04	2009-12-31
2010	2010-02-01	2010-12-29
2011	2011-01-01	2011-12-24
2014	2014-01-07	2014-12-19
2021	2021-01-01	2021-12-29
2022	2022-01-04	2022-12-30
2023	2023-01-03	2023-12-31
2024	2024-01-02	2024-12-30
2025	2025-01-03	2025-12-29

Every Fixed Threshold

Fixed thresholds at Mapleton 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	109	70	1921	45
25 mm (0.98 in): Days with 25 mm or more rain	109	35	1974	19
50 mm (1.97 in): Days with 50 mm or more rain	109	19	1974	8
100 mm (3.94 in): Days with 100 mm or more rain	84	8	2022	3
200 mm (7.87 in): Days with 200 mm or more rain	34	3	1911	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

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

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

Mapleton Post Office Threshold Days by Year

Key Facts for Mapleton Post Office Thresholds

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

Every Fixed Threshold

Download the Data

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