Jetmore Threshold Days by Year (USC00144081)

20 fixed thresholds counted per year at Jetmore (USC00144081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jetmore Thresholds

Jetmore: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1956 with 140.
Jetmore: days with a maximum temperature at or above 35 C (95 F) in 70 years, most in 1952 with 76.
Jetmore: days with a maximum temperature at or above 90 F (32.2 C) in 70 years, most in 1956 with 114.
Jetmore: days with a maximum temperature at or below 0 C (32 F) in 70 years, most in 1978 with 39.
20 fixed thresholds have at least one qualifying day at Jetmore.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Jetmore with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 140 in 1956.

Days at or above 30 C (86 F) per year at Jetmore
Year	Days	Decade average
1901	115	102
1902	94	102
1906	98	102
1907	111	102
1908	97	102
1909	97	102
1910	107	92.7
1911	108	92.7
1912	82	92.7
1914	101	92.7
1915	39	92.7
1916	95	92.7
1917	101	92.7
1918	111	92.7
1919	90	92.7
1921	104	89.2
1924	79	89.2
1925	92	89.2
1926	92	89.2
1927	92	89.2
1929	76	89.2
1931	113	110.2
1932	102	110.2
1933	106	110.2
1934	118	110.2
1935	85	110.2
1936	112	110.2
1937	113	110.2
1938	110	110.2
1939	133	110.2
1940	100	96.6
1941	87	96.6
1942	94	96.6
1943	106	96.6
1944	90	96.6
1945	90	96.6
1946	96	96.6
1947	105	96.6
1948	111	96.6
1949	87	96.6
1950	81	103.8
1951	71	103.8
1952	120	103.8
1953	125	103.8
1954	121	103.8
1955	112	103.8
1956	140	103.8
1957	79	103.8
1958	96	103.8
1959	93	103.8
1960	89	98.8
1961	74	98.8
1962	89	98.8
1963	114	98.8
1964	112	98.8
1965	95	98.8
1966	106	98.8
1967	104	98.8
1968	114	98.8
1969	91	98.8
1970	127	111.3
1971	107	111.3
1972	120	111.3
1973	102	111.3
1974	100	111.3
1975	119	111.3
1976	103	111.3
1977	118	111.3
1978	106	111.3
1981	118	118

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

First to last qualifying date each year at Jetmore
Year	First date	Last date
1901	1901-03-02	1901-10-28
1902	1902-04-19	1902-10-24
1906	1906-04-01	1906-10-11
1907	1907-03-19	1907-10-25
1908	1908-03-16	1908-10-16
1909	1909-04-17	1909-10-06
1910	1910-03-05	1910-10-16
1911	1911-04-28	1911-10-14
1912	1912-04-05	1912-10-08
1914	1914-04-16	1914-10-17
1915	1915-04-28	1915-09-19
1916	1916-03-12	1916-10-07
1917	1917-03-30	1917-10-17
1918	1918-02-23	1918-10-15
1919	1919-04-21	1919-10-02
1921	1921-03-18	1921-10-25
1924	1924-04-15	1924-10-01
1925	1925-03-06	1925-10-22
1926	1926-05-16	1926-10-27
1927	1927-04-26	1927-11-10
1929	1929-04-03	1929-10-16
1931	1931-05-15	1931-11-08
1932	1932-04-01	1932-10-17
1933	1933-04-18	1933-09-29
1934	1934-04-10	1934-11-06
1935	1935-04-14	1935-10-15
1936	1936-04-12	1936-10-19
1937	1937-04-16	1937-10-05
1938	1938-03-21	1938-10-31
1939	1939-03-22	1939-10-26
1940	1940-03-31	1940-10-24
1941	1941-05-13	1941-10-13
1942	1942-04-04	1942-10-08
1943	1943-03-29	1943-10-29
1944	1944-05-14	1944-10-24
1945	1945-04-09	1945-11-05
1946	1946-03-31	1946-09-26
1947	1947-05-03	1947-10-21
1948	1948-04-10	1948-10-15
1949	1949-04-22	1949-10-08
1950	1950-03-25	1950-10-31
1951	1951-04-28	1951-10-11
1952	1952-04-08	1952-10-26
1953	1953-03-20	1953-10-12
1954	1954-04-06	1954-10-09
1955	1955-04-15	1955-10-20
1956	1956-03-25	1956-10-14
1957	1957-05-29	1957-10-05
1958	1958-05-21	1958-10-19
1959	1959-04-02	1959-10-25
1960	1960-04-21	1960-10-09
1961	1961-04-19	1961-09-30
1962	1962-04-20	1962-10-14
1963	1963-03-28	1963-10-10
1964	1964-04-01	1964-10-16
1965	1965-04-20	1965-10-10
1966	1966-03-31	1966-10-13
1967	1967-04-04	1967-10-14
1968	1968-03-29	1968-10-30
1969	1969-04-30	1969-10-09
1970	1970-02-17	1970-10-06
1971	1971-03-31	1971-10-07
1972	1972-02-29	1972-10-11
1973	1973-05-17	1973-10-23
1974	1974-04-27	1974-10-10
1975	1975-03-20	1975-10-22
1976	1976-03-19	1976-10-12
1977	1977-04-07	1977-10-26
1978	1978-03-31	1978-10-20
1981	1981-02-20	1981-10-04

Every Fixed Threshold

Fixed thresholds at Jetmore
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	140	1956	118
35 C (95 F): Days	70	76	1952	39
40 C (104 F): Days	54	36	1934	10
45 C (113 F): Days	3	4	1936	4
90 F (32.2 C): Days	70	114	1956	79
100 F (37.8 C): Days	68	53	1934	10
110 F (43.3 C): Days	8	11	1934	2
0 C (32 F): Ice days (max	70	39	1978	4
0 C (32 F): Frost days (min	70	151	1951	118
-10 C (14 F): Days with min	70	55	1916	24
-20 C (-4 F): Days with min	55	10	1916	1
-30 C (-22 F): Days with min	1	1	1918	1
20 C (68 F): Tropical nights (min	70	67	1954	21
25 C (77 F): Days with min	38	19	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	69	34	1951	22
25 mm (0.98 in): Days with 25 mm or more rain	68	12	1961	8
50 mm (1.97 in): Days with 50 mm or more rain	43	5	1912	4
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1909	1
10 cm (3.9 in): Days with 10 cm or more snowfall	30	6	1948	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1939	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Jetmore 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).

Jetmore Threshold Days by Year (USC00144081)

Key Facts for Jetmore Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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