Rosedale Threshold Days by Year (ASN00085071)

3 fixed thresholds counted per year at Rosedale (ASN00085071): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rosedale Thresholds

Rosedale: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1952 with 35.
Rosedale: days with 25 mm (0.98 in) or more of precipitation in 92 years, most in 1880 with 12.
Rosedale: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1880 with 5.
3 fixed thresholds have at least one qualifying day at Rosedale.

Days with 10 mm (0.39 in) or more of precipitation

96 years with a qualifying day

Days per year at Rosedale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1952.

Days with 10 mm (0.39 in) or more of precipitation per year at Rosedale
Year	Days	Decade average
1879	21	21
1880	27	20.4
1881	31	20.4
1882	16	20.4
1883	21	20.4
1884	17	20.4
1885	14	20.4
1886	21	20.4
1888	17	20.4
1889	20	20.4
1890	19	18.6
1891	26	18.6
1892	23	18.6
1893	22	18.6
1894	14	18.6
1895	14	18.6
1896	14	18.6
1897	18	18.6
1898	15	18.6
1899	21	18.6
1900	19	15.9
1901	19	15.9
1902	21	15.9
1903	15	15.9
1904	17	15.9
1905	15	15.9
1906	18	15.9
1907	9	15.9
1908	9	15.9
1909	17	15.9
1910	15	16.9
1911	25	16.9
1912	11	16.9
1913	18	16.9
1914	13	16.9
1915	15	16.9
1916	17	16.9
1917	17	16.9
1918	19	16.9
1919	19	16.9
1920	12	15.9
1921	15	15.9
1922	17	15.9
1923	21	15.9
1924	27	15.9
1925	10	15.9
1926	15	15.9
1927	11	15.9
1928	17	15.9
1929	14	15.9
1930	28	18.8
1931	16	18.8
1932	18	18.8
1933	18	18.8
1934	20	18.8
1935	23	18.8
1936	15	18.8
1937	15	18.8
1938	13	18.8
1939	22	18.8
1940	13	19.5
1941	22	19.5
1942	19	19.5
1943	19	19.5
1944	11	19.5
1945	15	19.5
1946	23	19.5
1947	26	19.5
1948	21	19.5
1949	26	19.5
1950	18	18.7
1951	15	18.7
1952	35	18.7
1953	17	18.7
1954	16	18.7
1955	14	18.7
1956	25	18.7
1957	16	18.7
1958	17	18.7
1959	14	18.7
1960	22	15.1
1961	20	15.1
1962	11	15.1
1963	19	15.1
1964	18	15.1
1965	10	15.1
1966	14	15.1
1967	5	15.1
1968	12	15.1
1969	20	15.1
1970	20	15
1971	10	15
1972	8	15
1973	22	15
2003	8	12
2004	16	12

For each year, a bar from the first to the last day at Rosedale meeting 10 mm (0.39 in).

First to last qualifying date each year at Rosedale
Year	First date	Last date
1879	1879-01-02	1879-11-27
1880	1880-01-08	1880-12-16
1881	1881-02-04	1881-12-18
1882	1882-03-14	1882-12-09
1883	1883-01-07	1883-12-12
1884	1884-01-20	1884-12-17
1885	1885-01-06	1885-12-20
1886	1886-01-07	1886-12-14
1888	1888-01-04	1888-12-16
1889	1889-01-03	1889-12-21
1890	1890-02-13	1890-12-23
1891	1891-01-09	1891-12-16
1892	1892-01-14	1892-12-31
1893	1893-01-07	1893-12-29
1894	1894-03-18	1894-12-25
1895	1895-01-05	1895-12-17
1896	1896-02-25	1896-11-27
1897	1897-01-09	1897-11-02
1898	1898-02-12	1898-11-22
1899	1899-01-02	1899-11-08
1900	1900-01-23	1900-11-19
1901	1901-01-02	1901-11-18
1902	1902-01-05	1902-12-20
1903	1903-02-02	1903-12-29
1904	1904-01-03	1904-11-04
1905	1905-01-03	1905-12-04
1906	1906-03-11	1906-12-24
1907	1907-04-19	1907-12-28
1908	1908-01-10	1908-12-22
1909	1909-01-05	1909-12-04
1910	1910-01-15	1910-12-23
1911	1911-01-13	1911-12-13
1912	1912-02-08	1912-12-04
1913	1913-01-03	1913-11-24
1914	1914-01-26	1914-12-21
1915	1915-01-07	1915-11-29
1916	1916-01-29	1916-12-14
1917	1917-01-02	1917-12-31
1918	1918-01-15	1918-10-28
1919	1919-02-18	1919-12-28
1920	1920-01-09	1920-12-17
1921	1921-01-02	1921-11-15
1922	1922-01-09	1922-12-31
1923	1923-01-19	1923-12-27
1924	1924-01-03	1924-12-27
1925	1925-01-13	1925-11-18
1926	1926-01-07	1926-12-18
1927	1927-01-28	1927-10-21
1928	1928-02-13	1928-10-29
1929	1929-01-26	1929-12-16
1930	1930-02-08	1930-12-26
1931	1931-01-26	1931-12-22
1932	1932-02-15	1932-12-02
1933	1933-01-27	1933-12-15
1934	1934-01-06	1934-12-31
1935	1935-01-07	1935-12-27
1936	1936-01-04	1936-12-19
1937	1937-01-02	1937-12-27
1938	1938-02-05	1938-12-01
1939	1939-02-03	1939-12-05
1940	1940-01-22	1940-12-28
1941	1941-01-04	1941-12-05
1942	1942-01-20	1942-11-27
1943	1943-01-18	1943-12-06
1944	1944-03-10	1944-12-27
1945	1945-01-11	1945-11-12
1946	1946-01-17	1946-12-30
1947	1947-01-08	1947-12-26
1948	1948-01-02	1948-12-29
1949	1949-01-01	1949-12-20
1950	1950-01-17	1950-12-30
1951	1951-02-26	1951-12-20
1952	1952-02-18	1952-12-12
1953	1953-01-06	1953-12-10
1954	1954-01-29	1954-12-15
1955	1955-02-11	1955-12-24
1956	1956-01-10	1956-12-27
1957	1957-02-15	1957-12-31
1958	1958-02-01	1958-12-17
1959	1959-03-05	1959-12-28
1960	1960-04-22	1960-12-16
1961	1961-01-02	1961-12-18
1962	1962-01-20	1962-12-04
1963	1963-01-02	1963-12-11
1964	1964-04-08	1964-12-24
1965	1965-01-19	1965-12-08
1966	1966-02-14	1966-12-14
1967	1967-03-31	1967-12-13
1968	1968-01-21	1968-12-27
1969	1969-01-26	1969-12-12
1970	1970-01-03	1970-12-30
1971	1971-01-30	1971-12-27
1972	1972-01-12	1972-11-11
1973	1973-01-13	1973-12-24
2003	2003-03-02	2003-12-05
2004	2004-01-30	2004-12-09

Every Fixed Threshold

Fixed thresholds at Rosedale
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	96	35	1952	16
25 mm (0.98 in): Days with 25 mm or more rain	92	12	1880	1
50 mm (1.97 in): Days with 50 mm or more rain	33	5	1880	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1879.

Download the Data

Data for Rosedale 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).

Rosedale Threshold Days by Year (ASN00085071)

Key Facts for Rosedale Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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