Buchanan Threshold Days by Year (USC00441121)

18 fixed thresholds counted per year at Buchanan (USC00441121): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Buchanan Thresholds

Buchanan: days with 10 mm (0.39 in) or more of precipitation in 105 years, most in 1948 with 58.
Buchanan: days with 25 mm (0.98 in) or more of precipitation in 105 years, most in 2003 with 22.
Buchanan: days with a maximum temperature at or above 30 C (86 F) in 83 years, most in 1925 with 110.
Buchanan: days with a maximum temperature at or above 90 F (32.2 C) in 83 years, most in 1925 with 80.
18 fixed thresholds have at least one qualifying day at Buchanan.

Days at or above 30 C (86 F)

83 years with a qualifying day

Days per year at Buchanan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 110 in 1925.

Days at or above 30 C (86 F) per year at Buchanan
Year	Days	Decade average
1918	69	83.5
1919	98	83.5
1920	59	76.7
1921	92	76.7
1922	79	76.7
1923	80	76.7
1924	43	76.7
1925	110	76.7
1926	94	76.7
1927	67	76.7
1928	75	76.7
1929	68	76.7
1930	105	90.4
1931	99	90.4
1932	106	90.4
1933	75	90.4
1934	100	90.4
1935	76	90.4
1936	99	90.4
1937	65	90.4
1938	76	90.4
1939	103	90.4
1940	57	81.8
1941	91	81.8
1942	89	81.8
1943	97	81.8
1944	98	81.8
1945	89	81.8
1946	69	81.8
1947	81	81.8
1948	74	81.8
1949	73	81.8
1950	60	80.5
1951	79	80.5
1952	86	80.5
1953	96	80.5
1954	92	80.5
1955	68	80.5
1956	79	80.5
1957	89	80.5
1958	67	80.5
1959	89	80.5
1960	79	76.2
1961	69	76.2
1962	68	76.2
1963	91	76.2
1964	82	76.2
1965	87	76.2
1966	80	76.2
1967	58	76.2
1968	67	76.2
1969	81	76.2
1970	93	54
1971	66	54
1972	38	54
1973	56	54
1974	30	54
1975	52	54
1976	49	54
1977	68	54
1978	61	54
1979	27	54
1980	74	61.4
1981	60	61.4
1982	50	61.4
1983	73	61.4
1984	50	61.4
1990	97	87.5
1991	110	87.5
1992	62	87.5
1993	94	87.5
1994	81	87.5
1995	68	87.5
1996	83	87.5
1997	79	87.5
1998	109	87.5
1999	92	87.5
2000	76	73
2001	91	73
2002	99	73
2003	60	73
2004	39	73
2012	52	52

For each year, a bar from the first to the last day at Buchanan meeting 30 C (86 F).

First to last qualifying date each year at Buchanan
Year	First date	Last date
1918	1918-05-04	1918-09-16
1919	1919-04-09	1919-10-28
1920	1920-04-22	1920-09-26
1921	1921-03-21	1921-10-10
1922	1922-04-08	1922-10-06
1923	1923-05-19	1923-09-24
1924	1924-06-19	1924-09-13
1925	1925-04-13	1925-09-28
1926	1926-05-01	1926-10-05
1927	1927-04-20	1927-10-02
1928	1928-05-03	1928-10-13
1929	1929-03-24	1929-09-30
1930	1930-04-11	1930-09-26
1931	1931-05-16	1931-10-07
1932	1932-05-04	1932-09-23
1933	1933-05-14	1933-10-12
1934	1934-04-02	1934-09-27
1935	1935-04-26	1935-09-22
1936	1936-04-15	1936-09-28
1937	1937-04-18	1937-10-06
1938	1938-03-22	1938-10-19
1939	1939-04-24	1939-10-27
1940	1940-05-06	1940-10-06
1941	1941-04-14	1941-10-19
1942	1942-04-05	1942-09-19
1943	1943-05-06	1943-10-03
1944	1944-05-01	1944-10-07
1945	1945-03-17	1945-10-18
1946	1946-04-03	1946-09-29
1947	1947-04-24	1947-10-23
1948	1948-03-21	1948-09-21
1949	1949-04-26	1949-11-10
1950	1950-04-24	1950-11-01
1951	1951-05-02	1951-10-06
1952	1952-04-20	1952-10-01
1953	1953-05-01	1953-10-20
1954	1954-04-15	1954-10-13
1955	1955-04-19	1955-09-20
1956	1956-04-28	1956-09-23
1957	1957-04-20	1957-09-22
1958	1958-04-19	1958-10-10
1959	1959-04-08	1959-10-06
1960	1960-04-16	1960-09-10
1961	1961-04-24	1961-09-25
1962	1962-04-26	1962-10-12
1963	1963-03-30	1963-10-08
1964	1964-04-17	1964-09-23
1965	1965-05-01	1965-09-22
1966	1966-03-22	1966-09-10
1967	1967-04-02	1967-09-20
1968	1968-03-21	1968-09-25
1969	1969-04-27	1969-09-17
1970	1970-04-29	1970-09-26
1971	1971-04-13	1971-09-15
1972	1972-04-15	1972-09-26
1973	1973-06-03	1973-09-29
1974	1974-04-28	1974-09-12
1975	1975-05-20	1975-09-04
1976	1976-04-16	1976-09-10
1977	1977-04-11	1977-09-19
1978	1978-05-20	1978-09-21
1979	1979-06-09	1979-08-30
1980	1980-04-23	1980-09-22
1981	1981-04-28	1981-10-01
1982	1982-05-12	1982-09-17
1983	1983-04-27	1983-09-19
1984	1984-04-26	1984-09-21
1990	1990-03-12	1990-10-09
1991	1991-04-07	1991-10-05
1992	1992-04-23	1992-09-22
1993	1993-05-01	1993-09-26
1994	1994-04-14	1994-10-02
1995	1995-04-08	1995-10-06
1996	1996-04-12	1996-09-10
1997	1997-04-04	1997-10-07
1998	1998-03-27	1998-09-30
1999	1999-04-08	1999-09-09
2000	2000-03-08	2000-10-04
2001	2001-04-07	2001-10-24
2002	2002-04-15	2002-10-05
2003	2003-04-03	2003-09-02
2004	2004-05-08	2004-08-29
2012	2012-04-17	2012-09-08

Every Fixed Threshold

Fixed thresholds at Buchanan
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	83	110	1925	52
35 C (95 F): Days	71	43	1930	7
40 C (104 F): Days	8	6	1930	1
90 F (32.2 C): Days	83	80	1925	17
100 F (37.8 C): Days	28	18	1930	10
0 C (32 F): Ice days (max	75	26	1977	1
0 C (32 F): Frost days (min	83	122	1941	79
-10 C (14 F): Days with min	82	26	1977	7
-20 C (-4 F): Days with min	11	3	1940	1
20 C (68 F): Tropical nights (min	83	54	2012	54
25 C (77 F): Days with min	4	2	1923	1
10 mm (0.39 in): Days with 10 mm or more rain	105	58	1948	38
25 mm (0.98 in): Days with 25 mm or more rain	105	22	2003	5
50 mm (1.97 in): Days with 50 mm or more rain	83	6	2004	3
100 mm (3.94 in): Days with 100 mm or more rain	12	1	1893	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	9	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	3	1960	1
50 cm (19.7 in): Days with 50 cm or more snowfall	2	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

Data for Buchanan 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).

Buchanan Threshold Days by Year (USC00441121)

Key Facts for Buchanan Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related