Mitcham Post Office Threshold Days by Year (ASN00023010)

3 fixed thresholds counted per year at Mitcham Post Office (ASN00023010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mitcham Post Office Thresholds

Mitcham Post Office: days with 10 mm (0.39 in) or more of precipitation in 80 years, most in 1920 with 35.
Mitcham Post Office: days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 1889 with 9.
Mitcham Post Office: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1889 with 2.
3 fixed thresholds have at least one qualifying day at Mitcham Post Office.

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

80 years with a qualifying day

Days per year at Mitcham Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1920.

Days with 10 mm (0.39 in) or more of precipitation per year at Mitcham Post Office
Year	Days	Decade average
1884	18	15.5
1885	13	15.5
1886	10	15.5
1887	21	15.5
1888	10	15.5
1889	21	15.5
1890	25	17.3
1891	13	17.3
1892	14	17.3
1893	20	17.3
1894	21	17.3
1895	24	17.3
1896	13	17.3
1897	11	17.3
1898	15	17.3
1899	17	17.3
1900	22	19.6
1901	17	19.6
1902	12	19.6
1903	22	19.6
1904	22	19.6
1905	18	19.6
1906	28	19.6
1907	11	19.6
1908	19	19.6
1909	25	19.6
1910	15	16.5
1911	12	16.5
1912	12	16.5
1913	12	16.5
1914	9	16.5
1915	19	16.5
1916	27	16.5
1917	27	16.5
1918	16	16.5
1919	16	16.5
1920	35	22.7
1921	27	22.7
1923	23	22.7
1924	23	22.7
1925	13	22.7
1926	19	22.7
1928	19	22.7
1930	16	17.6
1933	19	17.6
1934	14	17.6
1935	23	17.6
1936	15	17.6
1937	18	17.6
1938	14	17.6
1939	22	17.6
1940	11	16.7
1941	19	16.7
1942	24	16.7
1943	15	16.7
1944	12	16.7
1945	18	16.7
1946	14	16.7
1947	21	16.7
1948	16	16.7
1949	17	16.7
1950	15	17.7
1951	21	17.7
1952	21	17.7
1953	21	17.7
1954	11	17.7
1955	22	17.7
1956	24	17.7
1957	12	17.7
1958	23	17.7
1959	7	17.7
1960	18	15
1961	9	15
1962	11	15
1963	18	15
1964	15	15
1965	12	15
1966	18	15
1967	8	15
1968	26	15

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

First to last qualifying date each year at Mitcham Post Office
Year	First date	Last date
1884	1884-01-21	1884-12-15
1885	1885-02-28	1885-09-26
1886	1886-04-22	1886-08-19
1887	1887-01-18	1887-12-22
1888	1888-05-03	1888-09-24
1889	1889-01-02	1889-12-05
1890	1890-02-05	1890-11-24
1891	1891-01-05	1891-12-12
1892	1892-01-23	1892-12-12
1893	1893-04-01	1893-11-13
1894	1894-03-24	1894-12-25
1895	1895-01-04	1895-11-30
1896	1896-01-13	1896-12-28
1897	1897-01-09	1897-09-29
1898	1898-03-01	1898-10-28
1899	1899-02-28	1899-12-27
1900	1900-03-01	1900-11-17
1901	1901-03-30	1901-12-31
1902	1902-03-26	1902-12-18
1903	1903-01-21	1903-12-11
1904	1904-01-04	1904-11-02
1905	1905-01-03	1905-10-30
1906	1906-03-24	1906-12-17
1907	1907-04-05	1907-11-23
1908	1908-03-06	1908-12-21
1909	1909-01-04	1909-12-22
1910	1910-03-05	1910-12-23
1911	1911-02-01	1911-12-05
1912	1912-06-14	1912-12-07
1913	1913-02-14	1913-12-23
1914	1914-01-26	1914-11-25
1915	1915-01-20	1915-09-20
1916	1916-04-05	1916-11-16
1917	1917-02-14	1917-12-18
1918	1918-01-15	1918-10-26
1919	1919-02-17	1919-12-27
1920	1920-03-06	1920-12-27
1921	1921-01-02	1921-12-03
1923	1923-01-05	1923-12-18
1924	1924-02-15	1924-11-07
1925	1925-02-07	1925-09-28
1926	1926-02-25	1926-12-25
1928	1928-01-21	1928-10-05
1930	1930-05-12	1930-12-26
1933	1933-01-20	1933-09-19
1934	1934-04-12	1934-12-29
1935	1935-03-14	1935-12-24
1936	1936-01-02	1936-12-17
1937	1937-01-19	1937-12-11
1938	1938-02-21	1938-10-31
1939	1939-01-16	1939-11-06
1940	1940-01-05	1940-12-19
1941	1941-01-24	1941-12-08
1942	1942-01-20	1942-11-04
1943	1943-02-11	1943-12-17
1944	1944-02-08	1944-12-21
1945	1945-01-10	1945-12-17
1946	1946-01-18	1946-12-25
1947	1947-02-09	1947-12-23
1948	1948-04-09	1948-12-16
1949	1949-02-21	1949-11-21
1950	1950-02-01	1950-12-20
1951	1951-04-17	1951-12-31
1952	1952-01-25	1952-11-27
1953	1953-01-05	1953-12-07
1954	1954-04-14	1954-12-12
1955	1955-02-09	1955-12-03
1956	1956-01-20	1956-09-10
1957	1957-04-10	1957-11-18
1958	1958-03-27	1958-10-18
1959	1959-02-16	1959-12-27
1960	1960-02-01	1960-11-12
1961	1961-04-04	1961-09-14
1962	1962-02-20	1962-12-29
1963	1963-01-14	1963-09-12
1964	1964-04-08	1964-11-18
1965	1965-04-18	1965-12-05
1966	1966-02-15	1966-12-05
1967	1967-01-15	1967-08-13
1968	1968-01-20	1968-12-23

Every Fixed Threshold

Fixed thresholds at Mitcham Post Office
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	80	35	1920	26
25 mm (0.98 in): Days with 25 mm or more rain	77	9	1889	4
50 mm (1.97 in): Days with 50 mm or more rain	22	2	1889	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

Data for Mitcham Post Office 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).

Mitcham Post Office Threshold Days by Year (ASN00023010)

Key Facts for Mitcham Post Office Thresholds

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

Every Fixed Threshold

Download the Data

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