Bluff Post Office Threshold Days by Year

5 fixed thresholds counted per year at Bluff Post Office (ASN00035012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bluff Post Office Thresholds

Bluff Post Office: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1974 with 34.
Bluff Post Office: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 1976 with 18.
Bluff Post Office: days with 50 mm (1.97 in) or more of precipitation in 67 years, most in 1933 with 6.
Bluff Post Office: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1918 with 2.
5 fixed thresholds have at least one qualifying day at Bluff Post Office.

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

84 years with a qualifying day

Days per year at Bluff Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Bluff Post Office
Year	Days	Decade average
1909	27	27
1910	29	19.1
1911	23	19.1
1912	16	19.1
1913	18	19.1
1914	16	19.1
1915	7	19.1
1916	21	19.1
1917	28	19.1
1918	26	19.1
1919	7	19.1
1920	18	20
1921	22	20
1922	18	20
1923	12	20
1924	27	20
1925	23	20
1926	9	20
1927	32	20
1928	25	20
1929	14	20
1930	18	19.2
1931	17	19.2
1932	16	19.2
1933	32	19.2
1939	13	19.2
1940	20	18.8
1941	15	18.8
1942	19	18.8
1943	27	18.8
1946	10	18.8
1947	21	18.8
1948	16	18.8
1949	22	18.8
1950	19	17.4
1951	12	17.4
1952	19	17.4
1953	19	17.4
1954	18	17.4
1962	19	17.3
1963	19	17.3
1964	18	17.3
1965	13	17.3
1966	13	17.3
1967	21	17.3
1968	24	17.3
1969	11	17.3
1970	15	22.6
1971	21	22.6
1972	12	22.6
1973	27	22.6
1974	34	22.6
1975	27	22.6
1976	29	22.6
1977	21	22.6
1978	28	22.6
1979	12	22.6
1980	15	18.5
1981	20	18.5
1982	7	18.5
1983	27	18.5
1984	24	18.5
1985	17	18.5
1986	17	18.5
1987	15	18.5
1988	14	18.5
1989	29	18.5
1990	19	17.2
1991	21	17.2
1992	11	17.2
1993	14	17.2
1994	7	17.2
1995	20	17.2
1996	20	17.2
1997	17	17.2
1998	28	17.2
1999	15	17.2
2000	15	13
2001	15	13
2002	12	13
2003	11	13
2004	11	13
2006	7	13
2007	20	13

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

First to last qualifying date each year at Bluff Post Office
Year	First date	Last date
1909	1909-01-16	1909-12-31
1910	1910-01-01	1910-12-10
1911	1911-01-10	1911-12-31
1912	1912-02-10	1912-12-31
1913	1913-01-08	1913-12-28
1914	1914-01-16	1914-12-31
1915	1915-01-07	1915-12-28
1916	1916-02-04	1916-12-31
1917	1917-01-01	1917-12-16
1918	1918-01-04	1918-12-27
1919	1919-01-15	1919-08-25
1920	1920-01-01	1920-12-09
1921	1921-01-07	1921-12-31
1922	1922-01-09	1922-12-22
1923	1923-01-02	1923-12-27
1924	1924-01-07	1924-12-20
1925	1925-01-05	1925-12-31
1926	1926-01-04	1926-12-27
1927	1927-01-11	1927-12-24
1928	1928-01-09	1928-12-24
1929	1929-02-21	1929-12-31
1930	1930-01-03	1930-11-26
1931	1931-01-17	1931-12-10
1932	1932-01-14	1932-12-22
1933	1933-01-19	1933-12-18
1939	1939-01-19	1939-10-29
1940	1940-01-18	1940-12-23
1941	1941-01-05	1941-12-08
1942	1942-01-29	1942-12-31
1943	1943-01-15	1943-12-29
1946	1946-01-08	1946-12-30
1947	1947-01-11	1947-12-10
1948	1948-01-03	1948-12-30
1949	1949-01-10	1949-12-12
1950	1950-01-03	1950-12-05
1951	1951-01-09	1951-12-21
1952	1952-01-09	1952-12-22
1953	1953-01-01	1953-12-28
1954	1954-01-15	1954-12-16
1962	1962-01-05	1962-12-30
1963	1963-01-10	1963-12-14
1964	1964-01-21	1964-12-27
1965	1965-01-24	1965-12-15
1966	1966-01-24	1966-11-08
1967	1967-01-02	1967-12-08
1968	1968-01-08	1968-12-20
1969	1969-03-19	1969-12-24
1970	1970-01-21	1970-12-30
1971	1971-01-18	1971-12-27
1972	1972-01-04	1972-12-30
1973	1973-01-09	1973-12-27
1974	1974-01-01	1974-12-28
1975	1975-01-02	1975-12-25
1976	1976-01-14	1976-12-23
1977	1977-01-04	1977-12-06
1978	1978-01-06	1978-12-31
1979	1979-02-06	1979-12-24
1980	1980-01-06	1980-12-31
1981	1981-01-20	1981-12-25
1982	1982-01-20	1982-12-21
1983	1983-01-03	1983-12-04
1984	1984-01-17	1984-12-21
1985	1985-01-07	1985-12-28
1986	1986-02-13	1986-12-29
1987	1987-01-14	1987-12-30
1988	1988-01-05	1988-12-28
1989	1989-01-03	1989-12-14
1990	1990-01-15	1990-12-30
1991	1991-01-04	1991-12-31
1992	1992-01-03	1992-12-18
1993	1993-01-06	1993-12-24
1994	1994-03-02	1994-12-02
1995	1995-01-04	1995-12-27
1996	1996-01-03	1996-12-31
1997	1997-01-28	1997-12-29
1998	1998-01-31	1998-12-30
1999	1999-01-04	1999-11-09
2000	2000-02-15	2000-12-29
2001	2001-01-30	2001-12-31
2002	2002-01-05	2002-12-21
2003	2003-02-05	2003-12-12
2004	2004-01-15	2004-12-11
2006	2006-01-09	2006-12-28
2007	2007-01-29	2007-12-28

Every Fixed Threshold

Fixed thresholds at Bluff 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	84	34	1974	20
25 mm (0.98 in): Days with 25 mm or more rain	84	18	1976	4
50 mm (1.97 in): Days with 50 mm or more rain	67	6	1933	1
100 mm (3.94 in): Days with 100 mm or more rain	17	2	1918	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1973	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

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Data for Bluff 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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

Bluff Post Office Threshold Days by Year

Key Facts for Bluff Post Office Thresholds

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

Every Fixed Threshold

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