Ridgetown Threshold Days by Year

17 fixed thresholds counted per year at Ridgetown (CA006137147): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ridgetown Thresholds

Ridgetown: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 1975 with 41.
Ridgetown: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1932 with 11.
Ridgetown: days with a maximum temperature at or above 30 C (86 F) in 74 years, most in 1894 with 43.
Ridgetown: days with a maximum temperature at or below 0 C (32 F) in 74 years, most in 1926 with 82.
17 fixed thresholds have at least one qualifying day at Ridgetown.

Days at or above 30 C (86 F)

74 years with a qualifying day

Days per year at Ridgetown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1894.

Days at or above 30 C (86 F) per year at Ridgetown
Year	Days	Decade average
1886	14	19.5
1887	31	19.5
1888	14	19.5
1889	19	19.5
1890	18	27.5
1891	25	27.5
1892	27	27.5
1893	29	27.5
1894	43	27.5
1896	29	27.5
1898	26	27.5
1899	23	27.5
1900	19	19
1901	32	19
1902	6	19
1924	12	15.5
1925	21	15.5
1926	11	15.5
1927	12	15.5
1928	17	15.5
1929	20	15.5
1930	25	28.2
1931	33	28.2
1932	19	28.2
1933	38	28.2
1934	42	28.2
1935	23	28.2
1936	42	28.2
1937	23	28.2
1938	19	28.2
1939	18	28.2
1940	12	21.6
1941	31	21.6
1942	8	21.6
1943	20	21.6
1944	34	21.6
1945	15	21.6
1946	16	21.6
1947	24	21.6
1948	18	21.6
1949	38	21.6
1950	13	21.3
1951	13	21.3
1952	34	21.3
1953	29	21.3
1954	29	21.3
1955	37	21.3
1956	11	21.3
1957	11	21.3
1958	6	21.3
1959	30	21.3
1960	11	13.9
1961	13	13.9
1962	14	13.9
1963	17	13.9
1964	27	13.9
1965	9	13.9
1966	17	13.9
1967	7	13.9
1968	13	13.9
1969	11	13.9
1971	16	12.9
1972	9	12.9
1973	19	12.9
1974	10	12.9
1975	12	12.9
1976	10	12.9
1977	14	12.9
1978	16	12.9
1979	10	12.9
1980	11	13
1981	8	13
1982	7	13
1983	26	13

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

First to last qualifying date each year at Ridgetown
Year	First date	Last date
1886	1886-06-14	1886-09-08
1887	1887-05-21	1887-09-13
1888	1888-06-15	1888-08-26
1889	1889-05-09	1889-09-15
1890	1890-06-17	1890-09-07
1891	1891-06-10	1891-09-28
1892	1892-06-12	1892-09-24
1893	1893-06-18	1893-09-07
1894	1894-06-10	1894-09-04
1896	1896-05-08	1896-09-11
1898	1898-06-07	1898-09-03
1899	1899-06-04	1899-09-17
1900	1900-06-25	1900-09-11
1901	1901-06-25	1901-09-07
1902	1902-07-05	1902-07-17
1924	1924-06-20	1924-08-31
1925	1925-04-23	1925-09-11
1926	1926-06-29	1926-08-28
1927	1927-05-22	1927-09-15
1928	1928-07-02	1928-09-10
1929	1929-05-30	1929-09-05
1930	1930-06-04	1930-09-13
1931	1931-06-19	1931-09-21
1932	1932-06-04	1932-08-31
1933	1933-05-24	1933-09-08
1934	1934-05-04	1934-08-19
1935	1935-06-28	1935-09-18
1936	1936-05-09	1936-09-23
1937	1937-05-31	1937-09-03
1938	1938-06-21	1938-08-20
1939	1939-05-31	1939-09-16
1940	1940-07-19	1940-08-18
1941	1941-05-21	1941-09-22
1942	1942-05-30	1942-07-31
1943	1943-06-04	1943-09-01
1944	1944-05-26	1944-09-04
1945	1945-06-14	1945-09-08
1946	1946-06-24	1946-08-16
1947	1947-06-10	1947-09-19
1948	1948-06-04	1948-09-19
1949	1949-05-05	1949-08-27
1950	1950-06-08	1950-08-29
1951	1951-06-01	1951-10-05
1952	1952-06-06	1952-09-14
1953	1953-06-05	1953-09-04
1954	1954-06-10	1954-09-07
1955	1955-06-05	1955-09-19
1956	1956-05-30	1956-08-28
1957	1957-06-17	1957-08-11
1958	1958-06-30	1958-08-03
1959	1959-06-08	1959-09-09
1960	1960-06-04	1960-09-08
1961	1961-06-12	1961-09-11
1962	1962-05-14	1962-08-30
1963	1963-06-06	1963-08-07
1964	1964-05-23	1964-09-10
1965	1965-06-23	1965-09-18
1966	1966-06-19	1966-09-02
1967	1967-06-11	1967-07-09
1968	1968-06-07	1968-08-24
1969	1969-05-28	1969-08-31
1971	1971-06-04	1971-09-08
1972	1972-06-14	1972-07-23
1973	1973-06-10	1973-09-04
1974	1974-06-09	1974-07-28
1975	1975-06-22	1975-08-03
1976	1976-06-07	1976-09-08
1977	1977-05-17	1977-09-01
1978	1978-06-27	1978-09-20
1979	1979-06-10	1979-08-07
1980	1980-06-26	1980-08-27
1981	1981-06-15	1981-07-18
1982	1982-07-07	1982-09-13
1983	1983-06-12	1983-09-10

Every Fixed Threshold

Fixed thresholds at Ridgetown
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	74	43	1894	26
35 C (95 F): Days	31	12	1933	1
40 C (104 F): Days	1	2	1936	2
90 F (32.2 C): Days	67	25	1933	7
100 F (37.8 C): Days	4	7	1936	1
0 C (32 F): Ice days (max	74	82	1926	50
0 C (32 F): Frost days (min	74	178	1888	126
-10 C (14 F): Days with min	74	73	1893	28
-20 C (-4 F): Days with min	59	14	1893	5
20 C (68 F): Tropical nights (min	73	35	1959	33
25 C (77 F): Days with min	7	2	1933	1
10 mm (0.39 in): Days with 10 mm or more rain	75	41	1975	35
25 mm (0.98 in): Days with 25 mm or more rain	75	11	1932	9
50 mm (1.97 in): Days with 50 mm or more rain	43	2	1926	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1938	1
10 cm (3.9 in): Days with 10 cm or more snowfall	69	8	1898	4
25 cm (9.8 in): Days with 25 cm or more snowfall	8	3	1900	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

Download the Data

Data for Ridgetown 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).

Ridgetown Threshold Days by Year

Key Facts for Ridgetown Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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