Summerland Cda Threshold Days by Year (CA001127800)

15 fixed thresholds counted per year at Summerland Cda (CA001127800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Summerland Cda Thresholds

Summerland Cda: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1958 with 54.
Summerland Cda: days with a maximum temperature at or above 90 F (32.2 C) in 68 years, most in 1958 with 32.
Summerland Cda: days with a maximum temperature at or below 0 C (32 F) in 68 years, most in 1916 with 64.
Summerland Cda: nights with a minimum temperature at or below 0 C (32 F) in 68 years, most in 1948 with 161.
15 fixed thresholds have at least one qualifying day at Summerland Cda.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Summerland Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 1958.

Days at or above 30 C (86 F) per year at Summerland Cda
Year	Days	Decade average
1916	20	19.8
1917	27	19.8
1918	15	19.8
1919	17	19.8
1920	27	26.4
1921	16	26.4
1922	24	26.4
1923	22	26.4
1924	34	26.4
1925	33	26.4
1926	26	26.4
1927	29	26.4
1928	29	26.4
1929	24	26.4
1930	26	26.2
1931	26	26.2
1932	26	26.2
1933	27	26.2
1934	22	26.2
1935	18	26.2
1936	33	26.2
1937	22	26.2
1938	36	26.2
1939	26	26.2
1940	40	25.9
1941	33	25.9
1942	38	25.9
1943	25	25.9
1944	26	25.9
1945	28	25.9
1946	19	25.9
1947	19	25.9
1948	14	25.9
1949	17	25.9
1950	29	24.7
1951	34	24.7
1952	30	24.7
1953	18	24.7
1954	10	24.7
1955	22	24.7
1956	25	24.7
1957	7	24.7
1958	54	24.7
1959	18	24.7
1960	34	25.5
1961	41	25.5
1962	20	25.5
1963	18	25.5
1964	8	25.5
1965	29	25.5
1966	12	25.5
1967	46	25.5
1968	18	25.5
1969	29	25.5
1970	43	27.1
1971	35	27.1
1972	20	27.1
1973	34	27.1
1974	24	27.1
1975	13	27.1
1976	9	27.1
1977	33	27.1
1978	31	27.1
1979	29	27.1
1980	12	14.8
1981	20	14.8
1982	16	14.8
1983	11	14.8

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

First to last qualifying date each year at Summerland Cda
Year	First date	Last date
1916	1916-06-14	1916-09-01
1917	1917-06-15	1917-08-29
1918	1918-06-09	1918-08-25
1919	1919-06-19	1919-08-18
1920	1920-06-21	1920-08-22
1921	1921-06-23	1921-08-15
1922	1922-06-03	1922-08-27
1923	1923-06-28	1923-08-30
1924	1924-05-14	1924-09-07
1925	1925-06-20	1925-08-20
1926	1926-06-05	1926-08-07
1927	1927-06-07	1927-08-16
1928	1928-05-21	1928-09-03
1929	1929-05-22	1929-08-17
1930	1930-06-15	1930-08-29
1931	1931-05-30	1931-08-24
1932	1932-06-10	1932-09-07
1933	1933-06-13	1933-08-27
1934	1934-05-27	1934-08-28
1935	1935-06-07	1935-09-09
1936	1936-05-25	1936-08-29
1937	1937-06-02	1937-09-12
1938	1938-05-22	1938-09-02
1939	1939-05-14	1939-08-24
1940	1940-05-22	1940-09-11
1941	1941-05-23	1941-08-22
1942	1942-06-27	1942-09-03
1943	1943-06-29	1943-08-28
1944	1944-05-27	1944-09-12
1945	1945-05-30	1945-08-16
1946	1946-06-19	1946-09-01
1947	1947-05-25	1947-09-01
1948	1948-06-05	1948-09-13
1949	1949-05-13	1949-08-05
1950	1950-06-11	1950-09-03
1951	1951-06-14	1951-08-21
1952	1952-07-03	1952-09-25
1953	1953-07-06	1953-09-06
1954	1954-05-18	1954-08-08
1955	1955-06-10	1955-09-02
1956	1956-05-17	1956-09-14
1957	1957-06-04	1957-09-06
1958	1958-05-22	1958-08-25
1959	1959-07-10	1959-08-07
1960	1960-06-23	1960-08-18
1961	1961-06-02	1961-08-23
1962	1962-06-23	1962-09-06
1963	1963-05-22	1963-08-17
1964	1964-07-07	1964-07-28
1965	1965-06-09	1965-08-19
1966	1966-07-08	1966-09-05
1967	1967-06-15	1967-09-21
1968	1968-06-18	1968-08-11
1969	1969-05-23	1969-09-12
1970	1970-06-01	1970-08-24
1971	1971-07-15	1971-08-30
1972	1972-05-29	1972-08-29
1973	1973-05-30	1973-09-11
1974	1974-06-14	1974-08-31
1975	1975-07-04	1975-08-04
1976	1976-06-29	1976-09-01
1977	1977-06-06	1977-08-20
1978	1978-06-03	1978-08-09
1979	1979-06-02	1979-08-13
1980	1980-07-02	1980-08-11
1981	1981-07-03	1981-09-18
1982	1982-06-12	1982-08-07
1983	1983-05-28	1983-08-19

Every Fixed Threshold

Fixed thresholds at Summerland Cda
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	54	1958	11
35 C (95 F): Days	55	17	1971	4
40 C (104 F): Days	1	2	1941	2
90 F (32.2 C): Days	68	32	1958	2
100 F (37.8 C): Days	14	3	1941	1
0 C (32 F): Ice days (max	68	64	1916	33
0 C (32 F): Frost days (min	68	161	1948	85
-10 C (14 F): Days with min	68	49	1949	9
-20 C (-4 F): Days with min	34	22	1950	2
-30 C (-22 F): Days with min	1	1	1950	1
20 C (68 F): Tropical nights (min	43	6	1958	1
10 mm (0.39 in): Days with 10 mm or more rain	68	12	1983	12
25 mm (0.98 in): Days with 25 mm or more rain	16	1	1922	1
10 cm (3.9 in): Days with 10 cm or more snowfall	52	6	1949	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1930	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

Data for Summerland Cda 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).

Summerland Cda Threshold Days by Year (CA001127800)

Key Facts for Summerland Cda Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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