Merredin Research Station Threshold Days by Year (ASN00010093)

13 fixed thresholds counted per year at Merredin Research Station (ASN00010093): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Merredin Research Station Thresholds

Merredin Research Station: days with 10 mm (0.39 in) or more of precipitation in 92 years, most in 1963 with 21.
Merredin Research Station: nights with a minimum temperature at or above 20 C (68 F) in 70 years, most in 1978 with 47.
Merredin Research Station: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1972 with 121.
Merredin Research Station: days with a maximum temperature at or above 35 C (95 F) in 68 years, most in 1972 with 63.
13 fixed thresholds have at least one qualifying day at Merredin Research Station.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Merredin Research Station with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 121 in 1972.

Days at or above 30 C (86 F) per year at Merredin Research Station
Year	Days	Decade average
1913	90	97.9
1914	117	97.9
1915	98	97.9
1916	100	97.9
1917	79	97.9
1918	99	97.9
1919	102	97.9
1920	108	95.1
1921	102	95.1
1922	98	95.1
1923	103	95.1
1924	78	95.1
1926	94	95.1
1927	92	95.1
1928	102	95.1
1929	79	95.1
1930	107	101.4
1931	100	101.4
1932	104	101.4
1933	84	101.4
1934	92	101.4
1935	87	101.4
1936	117	101.4
1937	104	101.4
1938	110	101.4
1939	109	101.4
1940	103	99.6
1941	104	99.6
1942	87	99.6
1943	86	99.6
1944	107	99.6
1945	107	99.6
1946	101	99.6
1947	89	99.6
1948	107	99.6
1949	105	99.6
1950	117	103.3
1951	88	103.3
1952	86	103.3
1953	106	103.3
1954	102	103.3
1955	96	103.3
1956	107	103.3
1957	120	103.3
1958	115	103.3
1959	96	103.3
1960	86	91.8
1961	110	91.8
1962	98	91.8
1963	91	91.8
1964	88	91.8
1965	98	91.8
1966	93	91.8
1968	70	91.8
1970	108	106.3
1972	121	106.3
1973	102	106.3
1974	101	106.3
1975	91	106.3
1976	105	106.3
1977	116	106.3
1978	110	106.3
1979	103	106.3
1980	116	99.6
1981	94	99.6
1982	106	99.6
1983	107	99.6
1984	75	99.6

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

First to last qualifying date each year at Merredin Research Station
Year	First date	Last date
1913	1913-01-07	1913-12-31
1914	1914-01-01	1914-12-31
1915	1915-01-01	1915-12-31
1916	1916-01-01	1916-12-30
1917	1917-01-03	1917-12-31
1918	1918-01-01	1918-12-31
1919	1919-01-01	1919-12-31
1920	1920-01-01	1920-12-30
1921	1921-01-03	1921-12-31
1922	1922-01-01	1922-12-31
1923	1923-01-01	1923-12-26
1924	1924-01-06	1924-12-31
1926	1926-01-02	1926-12-31
1927	1927-01-02	1927-12-30
1928	1928-01-01	1928-12-31
1929	1929-01-01	1929-12-31
1930	1930-01-01	1930-12-31
1931	1931-01-01	1931-12-31
1932	1932-01-01	1932-12-31
1933	1933-01-01	1933-12-26
1934	1934-01-01	1934-12-29
1935	1935-01-09	1935-12-31
1936	1936-01-01	1936-12-31
1937	1937-01-02	1937-12-29
1938	1938-01-04	1938-12-31
1939	1939-01-01	1939-12-31
1940	1940-01-01	1940-12-29
1941	1941-01-02	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-03	1943-12-30
1944	1944-01-01	1944-12-31
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-30
1947	1947-01-02	1947-12-29
1948	1948-01-03	1948-12-30
1949	1949-01-02	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-04	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-31
1955	1955-01-03	1955-12-31
1956	1956-01-01	1956-12-31
1957	1957-01-01	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-27
1960	1960-01-04	1960-12-27
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-29
1963	1963-01-02	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1968	1968-01-02	1968-12-31
1970	1970-01-01	1970-12-31
1972	1972-01-02	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-30
1977	1977-01-01	1977-12-31
1978	1978-01-03	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-31
1981	1981-01-01	1981-12-30
1982	1982-01-02	1982-12-30
1983	1983-01-01	1983-12-29
1984	1984-01-02	1984-12-31

Every Fixed Threshold

Fixed thresholds at Merredin Research Station
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	121	1972	75
35 C (95 F): Days	68	63	1972	28
40 C (104 F): Days	68	19	1956	4
45 C (113 F): Days	2	1	1913	1
90 F (32.2 C): Days	68	98	1972	49
100 F (37.8 C): Days	68	30	1977	10
110 F (43.3 C): Days	22	4	1944	2
0 C (32 F): Frost days (min	66	46	1914	1
20 C (68 F): Tropical nights (min	70	47	1978	15
25 C (77 F): Days with min	56	6	1982	3
10 mm (0.39 in): Days with 10 mm or more rain	92	21	1963	13
25 mm (0.98 in): Days with 25 mm or more rain	68	6	1995	2
50 mm (1.97 in): Days with 50 mm or more rain	10	1	1917	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.

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Data for Merredin Research Station 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).

Merredin Research Station Threshold Days by Year (ASN00010093)

Key Facts for Merredin Research Station Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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