Carlisle Threshold Days by Year (USC00361234)

18 fixed thresholds counted per year at Carlisle (USC00361234): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Carlisle Thresholds

Carlisle: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1870 with 48.
Carlisle: days with 25 mm (0.98 in) or more of precipitation in 73 years, most in 1870 with 20.
Carlisle: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 1930 with 106.
Carlisle: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 1930 with 74.
18 fixed thresholds have at least one qualifying day at Carlisle.

Days at or above 30 C (86 F)

66 years with a qualifying day

Days per year at Carlisle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 106 in 1930.

Days at or above 30 C (86 F) per year at Carlisle
Year	Days	Decade average
1896	52	48.8
1897	43	48.8
1898	59	48.8
1899	41	48.8
1900	62	62
1918	41	41
1919	41	41
1920	33	57.2
1921	64	57.2
1922	57	57.2
1923	48	57.2
1924	39	57.2
1925	68	57.2
1926	69	57.2
1927	58	57.2
1928	58	57.2
1929	78	57.2
1930	106	78.6
1931	78	78.6
1932	82	78.6
1933	78	78.6
1934	74	78.6
1935	74	78.6
1936	77	78.6
1937	63	78.6
1938	76	78.6
1939	78	78.6
1940	52	51.5
1941	79	51.5
1942	45	51.5
1943	64	51.5
1944	59	51.5
1945	37	51.5
1946	23	51.5
1947	50	51.5
1948	45	51.5
1949	61	51.5
1950	46	68.6
1951	77	68.6
1952	72	68.6
1953	70	68.6
1954	67	68.6
1955	74	68.6
1956	52	68.6
1957	87	68.6
1958	59	68.6
1959	82	68.6
1960	51	60
1961	64	60
1962	62	60
1963	54	60
1964	63	60
1965	68	60
1966	84	60
1967	34	60
1968	71	60
1969	49	60
1970	58	47.6
1971	46	47.6
1972	32	47.6
1973	42	47.6
1974	40	47.6
1975	49	47.6
1976	50	47.6
1977	61	47.6
1978	50	47.6

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

First to last qualifying date each year at Carlisle
Year	First date	Last date
1896	1896-04-16	1896-09-27
1897	1897-04-24	1897-10-16
1898	1898-05-20	1898-09-18
1899	1899-05-01	1899-09-08
1900	1900-05-08	1900-10-06
1918	1918-05-06	1918-08-25
1919	1919-05-04	1919-10-03
1920	1920-05-28	1920-08-30
1921	1921-04-25	1921-09-29
1922	1922-04-10	1922-10-06
1923	1923-04-21	1923-09-04
1924	1924-05-06	1924-09-01
1925	1925-04-23	1925-09-28
1926	1926-05-01	1926-10-05
1927	1927-04-20	1927-10-07
1928	1928-05-03	1928-10-17
1929	1929-04-06	1929-09-29
1930	1930-05-01	1930-10-14
1931	1931-05-16	1931-10-05
1932	1932-05-07	1932-09-22
1933	1933-04-29	1933-10-01
1934	1934-05-05	1934-09-09
1935	1935-04-27	1935-10-22
1936	1936-04-30	1936-09-23
1937	1937-04-18	1937-09-04
1938	1938-03-22	1938-10-17
1939	1939-04-25	1939-10-10
1940	1940-05-07	1940-09-21
1941	1941-04-14	1941-10-08
1942	1942-04-06	1942-09-17
1943	1943-05-06	1943-09-06
1944	1944-05-04	1944-09-03
1945	1945-03-29	1945-09-29
1946	1946-05-25	1946-09-11
1947	1947-05-14	1947-10-23
1948	1948-05-10	1948-09-20
1949	1949-05-04	1949-10-11
1950	1950-06-07	1950-10-02
1951	1951-04-29	1951-10-06
1952	1952-04-22	1952-09-15
1953	1953-05-10	1953-10-01
1954	1954-04-20	1954-10-12
1955	1955-05-04	1955-09-15
1956	1956-04-28	1956-09-23
1957	1957-04-27	1957-09-23
1958	1958-04-19	1958-09-27
1959	1959-05-07	1959-10-06
1960	1960-04-14	1960-09-09
1961	1961-06-01	1961-09-25
1962	1962-04-26	1962-10-11
1963	1963-04-02	1963-10-07
1964	1964-04-17	1964-09-23
1965	1965-05-03	1965-10-15
1966	1966-06-04	1966-09-11
1967	1967-06-09	1967-10-04
1968	1968-06-06	1968-10-02
1969	1969-05-03	1969-09-18
1970	1970-05-09	1970-09-27
1971	1971-05-19	1971-09-16
1972	1972-07-11	1972-09-26
1973	1973-06-04	1973-09-05
1974	1974-04-29	1974-09-13
1975	1975-05-20	1975-10-14
1976	1976-04-16	1976-09-13
1977	1977-03-30	1977-09-20
1978	1978-05-20	1978-09-21

Every Fixed Threshold

Fixed thresholds at Carlisle
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	66	106	1930	50
35 C (95 F): Days	62	34	1930	1
40 C (104 F): Days	6	8	1930	3
90 F (32.2 C): Days	66	74	1930	14
100 F (37.8 C): Days	33	18	1930	1
0 C (32 F): Ice days (max	66	41	1978	41
0 C (32 F): Frost days (min	65	147	1943	130
-10 C (14 F): Days with min	64	44	1978	44
-20 C (-4 F): Days with min	27	8	1936	4
20 C (68 F): Tropical nights (min	64	48	1973	28
25 C (77 F): Days with min	7	3	1968	1
10 mm (0.39 in): Days with 10 mm or more rain	73	48	1870	43
25 mm (0.98 in): Days with 25 mm or more rain	73	20	1870	10
50 mm (1.97 in): Days with 50 mm or more rain	53	6	1876	1
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1873	1
10 cm (3.9 in): Days with 10 cm or more snowfall	50	8	1929	4
25 cm (9.8 in): Days with 25 cm or more snowfall	22	3	1928	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1928	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Carlisle 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).

Carlisle Threshold Days by Year (USC00361234)

Key Facts for Carlisle Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related