Mitiamo Threshold Days by Year (ASN00080037)

4 fixed thresholds counted per year at Mitiamo (ASN00080037): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mitiamo Thresholds

Mitiamo: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1973 with 29.
Mitiamo: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1973 with 9.
Mitiamo: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1974 with 2.
Mitiamo: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1950 with 1.
4 fixed thresholds have at least one qualifying day at Mitiamo.

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

61 years with a qualifying day

Days per year at Mitiamo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Mitiamo
Year	Days	Decade average
1913	14	12.8
1914	7	12.8
1915	8	12.8
1916	19	12.8
1917	21	12.8
1918	8	12.8
1920	13	11.7
1921	18	11.7
1922	11	11.7
1923	14	11.7
1924	17	11.7
1925	7	11.7
1927	5	11.7
1928	13	11.7
1929	7	11.7
1930	9	12
1931	15	12
1932	16	12
1933	12	12
1934	13	12
1935	15	12
1936	14	12
1937	9	12
1938	4	12
1939	13	12
1940	4	9.1
1941	6	9.1
1942	17	9.1
1943	3	9.1
1944	6	9.1
1946	12	9.1
1947	12	9.1
1948	8	9.1
1949	14	9.1
1950	14	14.1
1951	15	14.1
1952	12	14.1
1953	8	14.1
1954	14	14.1
1955	16	14.1
1956	25	14.1
1957	8	14.1
1958	16	14.1
1959	13	14.1
1960	14	9.9
1962	10	9.9
1963	10	9.9
1964	9	9.9
1965	9	9.9
1966	8	9.9
1967	4	9.9
1968	11	9.9
1969	14	9.9
1970	12	11.9
1971	7	11.9
1972	7	11.9
1973	29	11.9
1974	22	11.9
1975	10	11.9
1976	3	11.9
1977	5	11.9

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

First to last qualifying date each year at Mitiamo
Year	First date	Last date
1913	1913-02-14	1913-12-31
1914	1914-03-25	1914-12-25
1915	1915-04-11	1915-10-23
1916	1916-01-06	1916-12-09
1917	1917-02-21	1917-11-22
1918	1918-01-29	1918-10-30
1920	1920-05-11	1920-11-15
1921	1921-01-03	1921-11-05
1922	1922-02-28	1922-10-02
1923	1923-05-08	1923-12-18
1924	1924-01-02	1924-12-15
1925	1925-01-13	1925-11-20
1927	1927-05-11	1927-12-10
1928	1928-01-18	1928-10-15
1929	1929-02-22	1929-12-02
1930	1930-03-12	1930-12-25
1931	1931-01-08	1931-11-16
1932	1932-02-09	1932-12-16
1933	1933-01-22	1933-12-02
1934	1934-01-09	1934-12-01
1935	1935-01-05	1935-12-25
1936	1936-04-07	1936-12-31
1937	1937-01-01	1937-10-18
1938	1938-02-05	1938-07-25
1939	1939-02-17	1939-11-16
1940	1940-04-25	1940-09-27
1941	1941-01-04	1941-11-04
1942	1942-01-19	1942-11-21
1943	1943-02-18	1943-10-12
1944	1944-04-09	1944-12-21
1946	1946-01-18	1946-12-30
1947	1947-03-01	1947-12-23
1948	1948-02-16	1948-12-26
1949	1949-02-21	1949-11-22
1950	1950-02-03	1950-10-17
1951	1951-01-08	1951-10-11
1952	1952-04-25	1952-11-20
1953	1953-04-04	1953-11-07
1954	1954-01-29	1954-12-12
1955	1955-02-11	1955-10-21
1956	1956-01-11	1956-11-16
1957	1957-02-08	1957-10-23
1958	1958-01-30	1958-11-29
1959	1959-01-26	1959-12-25
1960	1960-01-09	1960-12-03
1962	1962-01-17	1962-12-31
1963	1963-01-02	1963-06-07
1964	1964-04-08	1964-10-08
1965	1965-05-11	1965-12-07
1966	1966-01-13	1966-12-26
1967	1967-05-19	1967-08-28
1968	1968-01-21	1968-12-16
1969	1969-02-22	1969-12-02
1970	1970-01-02	1970-11-12
1971	1971-01-31	1971-11-08
1972	1972-01-18	1972-11-03
1973	1973-01-13	1973-12-31
1974	1974-01-04	1974-11-26
1975	1975-03-19	1975-10-31
1976	1976-11-02	1976-12-24
1977	1977-02-23	1977-09-13

Every Fixed Threshold

Fixed thresholds at Mitiamo
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	61	29	1973	5
25 mm (0.98 in): Days with 25 mm or more rain	45	9	1973	2
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1974	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Mitiamo 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).

Mitiamo Threshold Days by Year (ASN00080037)

Key Facts for Mitiamo Thresholds

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

Every Fixed Threshold

Download the Data

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