York Post Office Threshold Days by Year

14 fixed thresholds counted per year at York Post Office (ASN00010144): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for York Post Office Thresholds

York Post Office: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1960 with 22.
York Post Office: nights with a minimum temperature at or above 20 C (68 F) in 59 years, most in 1961 with 28.
York Post Office: days with a maximum temperature at or above 30 C (86 F) in 58 years, most in 1972 with 129.
York Post Office: days with a maximum temperature at or above 35 C (95 F) in 58 years, most in 1972 with 69.
14 fixed thresholds have at least one qualifying day at York Post Office.

Days at or above 30 C (86 F)

58 years with a qualifying day

Days per year at York Post Office with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1972.

Days at or above 30 C (86 F) per year at York Post Office
Year	Days	Decade average
1934	84	94
1935	80	94
1936	102	94
1937	102	94
1938	94	94
1939	102	94
1940	96	93.7
1941	95	93.7
1942	81	93.7
1943	79	93.7
1944	92	93.7
1945	100	93.7
1946	93	93.7
1947	87	93.7
1948	104	93.7
1949	110	93.7
1950	111	103
1951	93	103
1952	95	103
1953	99	103
1954	102	103
1956	100	103
1957	110	103
1958	119	103
1959	98	103
1960	88	100.2
1961	110	100.2
1962	105	100.2
1963	103	100.2
1964	85	100.2
1965	91	100.2
1966	96	100.2
1967	108	100.2
1969	116	100.2
1970	115	106.1
1971	84	106.1
1972	129	106.1
1974	101	106.1
1976	102	106.1
1977	111	106.1
1978	111	106.1
1979	96	106.1
1980	109	97.2
1981	86	97.2
1982	95	97.2
1983	119	97.2
1984	85	97.2
1985	94	97.2
1986	86	97.2
1987	98	97.2
1988	106	97.2
1989	94	97.2
1990	88	102.7
1991	111	102.7
1992	92	102.7
1993	105	102.7
1994	125	102.7
1995	95	102.7

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

First to last qualifying date each year at York Post Office
Year	First date	Last date
1934	1934-01-01	1934-12-28
1935	1935-01-05	1935-12-31
1936	1936-01-04	1936-12-30
1937	1937-01-02	1937-12-27
1938	1938-01-04	1938-12-30
1939	1939-01-02	1939-12-31
1940	1940-01-01	1940-12-29
1941	1941-01-02	1941-12-31
1942	1942-01-01	1942-12-30
1943	1943-01-03	1943-12-28
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-31
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-30
1949	1949-01-02	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-03	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1956	1956-01-01	1956-12-29
1957	1957-01-03	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-27
1960	1960-01-04	1960-12-27
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-28
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-01	1967-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-05	1971-12-31
1972	1972-01-01	1972-12-31
1974	1974-01-01	1974-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-29
1981	1981-01-01	1981-12-29
1982	1982-01-03	1982-12-29
1983	1983-01-01	1983-12-29
1984	1984-01-02	1984-12-30
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-29
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-02	1992-12-31
1993	1993-01-03	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31

Every Fixed Threshold

Fixed thresholds at York Post Office
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	58	129	1972	95
35 C (95 F): Days	58	69	1972	46
40 C (104 F): Days	57	18	1977	6
45 C (113 F): Days	8	3	1980	2
90 F (32.2 C): Days	58	108	1972	73
100 F (37.8 C): Days	58	35	1972	19
110 F (43.3 C): Days	28	5	1961	1
0 C (32 F): Frost days (min	51	17	1969	2
20 C (68 F): Tropical nights (min	59	28	1961	18
25 C (77 F): Days with min	21	6	1961	1
10 mm (0.39 in): Days with 10 mm or more rain	61	22	1960	16
25 mm (0.98 in): Days with 25 mm or more rain	58	6	1983	5
50 mm (1.97 in): Days with 50 mm or more rain	13	2	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

Data for York 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

York Post Office Threshold Days by Year

Key Facts for York Post Office Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related