Blockton 1W Threshold Days by Year (USC00130745)

6 fixed thresholds counted per year at Blockton 1W (USC00130745): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blockton 1W Thresholds

Blockton 1W: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1993 with 45.
Blockton 1W: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1982 with 19.
Blockton 1W: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1960 with 5.
Blockton 1W: days with 10 cm (3.9 in) or more of snowfall in 40 years, most in 1997 with 5.
6 fixed thresholds have at least one qualifying day at Blockton 1W.

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

66 years with a qualifying day

Days per year at Blockton 1W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1993.

Days with 10 mm (0.39 in) or more of precipitation per year at Blockton 1W
Year	Days	Decade average
1943	25	27.7
1944	36	27.7
1945	31	27.7
1946	21	27.7
1947	31	27.7
1948	24	27.7
1949	26	27.7
1950	23	26
1951	36	26
1952	20	26
1953	19	26
1954	32	26
1955	18	26
1956	21	26
1957	28	26
1958	22	26
1959	41	26
1960	25	27.3
1961	38	27.3
1962	18	27.3
1963	29	27.3
1964	31	27.3
1965	31	27.3
1966	22	27.3
1967	24	27.3
1968	22	27.3
1969	33	27.3
1970	29	28.4
1971	23	28.4
1972	30	28.4
1973	41	28.4
1974	18	28.4
1975	31	28.4
1976	18	28.4
1977	30	28.4
1978	35	28.4
1979	29	28.4
1980	25	26.8
1981	29	26.8
1982	39	26.8
1983	21	26.8
1984	30	26.8
1985	25	26.8
1986	37	26.8
1987	31	26.8
1988	9	26.8
1989	22	26.8
1990	34	33.3
1991	38	33.3
1992	39	33.3
1993	45	33.3
1994	27	33.3
1995	30	33.3
1996	39	33.3
1997	27	33.3
1998	27	33.3
1999	27	33.3
2000	27	28.5
2001	39	28.5
2002	21	28.5
2003	28	28.5
2004	26	28.5
2005	25	28.5
2006	33	28.5
2009	29	28.5
2010	29	29

For each year, a bar from the first to the last day at Blockton 1W meeting 10 mm (0.39 in).

First to last qualifying date each year at Blockton 1W
Year	First date	Last date
1943	1943-02-03	1943-12-10
1944	1944-01-27	1944-12-10
1945	1945-02-21	1945-12-24
1946	1946-01-05	1946-11-16
1947	1947-01-30	1947-12-04
1948	1948-01-01	1948-11-19
1949	1949-01-10	1949-12-11
1950	1950-01-03	1950-10-02
1951	1951-02-25	1951-11-12
1952	1952-03-10	1952-12-22
1953	1953-02-05	1953-12-03
1954	1954-02-19	1954-10-21
1955	1955-01-05	1955-10-28
1956	1956-03-27	1956-11-19
1957	1957-01-09	1957-12-31
1958	1958-03-05	1958-11-17
1959	1959-01-29	1959-12-28
1960	1960-01-12	1960-10-29
1961	1961-02-17	1961-12-22
1962	1962-01-26	1962-11-16
1963	1963-03-04	1963-11-22
1964	1964-03-08	1964-12-10
1965	1965-01-01	1965-12-24
1966	1966-01-02	1966-10-13
1967	1967-02-01	1967-10-24
1968	1968-04-19	1968-12-18
1969	1969-03-24	1969-10-31
1970	1970-04-01	1970-12-10
1971	1971-01-03	1971-12-15
1972	1972-03-12	1972-12-30
1973	1973-01-03	1973-12-04
1974	1974-01-20	1974-10-31
1975	1975-01-02	1975-12-14
1976	1976-02-18	1976-09-25
1977	1977-03-11	1977-12-17
1978	1978-02-13	1978-11-17
1979	1979-01-13	1979-11-21
1980	1980-01-16	1980-12-08
1981	1981-03-04	1981-11-30
1982	1982-01-02	1982-12-28
1983	1983-03-26	1983-11-27
1984	1984-03-17	1984-12-14
1985	1985-02-21	1985-11-12
1986	1986-02-04	1986-12-07
1987	1987-02-28	1987-12-20
1988	1988-04-02	1988-11-16
1989	1989-01-29	1989-10-29
1990	1990-01-04	1990-12-03
1991	1991-03-02	1991-12-23
1992	1992-02-15	1992-12-15
1993	1993-03-21	1993-12-14
1994	1994-01-27	1994-12-07
1995	1995-01-06	1995-11-11
1996	1996-01-18	1996-11-30
1997	1997-02-04	1997-12-25
1998	1998-03-08	1998-12-07
1999	1999-02-19	1999-11-23
2000	2000-02-18	2000-11-07
2001	2001-01-14	2001-10-31
2002	2002-01-31	2002-10-25
2003	2003-02-15	2003-12-10
2004	2004-03-05	2004-11-04
2005	2005-01-05	2005-12-24
2006	2006-03-05	2006-12-19
2009	2009-03-08	2009-12-25
2010	2010-03-11	2010-11-13

Every Fixed Threshold

Fixed thresholds at Blockton 1W
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	66	45	1993	29
25 mm (0.98 in): Days with 25 mm or more rain	66	19	1982	15
50 mm (1.97 in): Days with 50 mm or more rain	54	5	1960	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1959	1
10 cm (3.9 in): Days with 10 cm or more snowfall	40	5	1997	3
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1978	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

Data for Blockton 1W 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).

Blockton 1W Threshold Days by Year (USC00130745)

Key Facts for Blockton 1W Thresholds

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

Every Fixed Threshold

Download the Data

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