Boolarra Threshold Days by Year

4 fixed thresholds counted per year at Boolarra (ASN00085014): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boolarra Thresholds

Boolarra: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1952 with 44.
Boolarra: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1919 with 10.
Boolarra: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1923 with 2.
Boolarra: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Boolarra.

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

53 years with a qualifying day

Days per year at Boolarra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1952.

Days with 10 mm (0.39 in) or more of precipitation per year at Boolarra
Year	Days	Decade average
1904	32	31
1905	35	31
1906	35	31
1907	34	31
1908	19	31
1909	31	31
1910	30	33.6
1911	37	33.6
1912	30	33.6
1913	41	33.6
1914	30	33.6
1915	30	33.6
1916	30	33.6
1917	40	33.6
1918	36	33.6
1919	32	33.6
1920	33	33.5
1921	36	33.5
1922	31	33.5
1923	36	33.5
1924	43	33.5
1925	22	33.5
1926	31	33.5
1927	27	33.5
1928	41	33.5
1929	35	33.5
1931	29	30.2
1932	38	30.2
1933	21	30.2
1934	31	30.2
1935	37	30.2
1936	35	30.2
1937	23	30.2
1938	18	30.2
1939	40	30.2
1940	26	27.4
1941	27	27.4
1942	22	27.4
1945	17	27.4
1946	38	27.4
1947	40	27.4
1948	27	27.4
1949	22	27.4
1950	23	31.9
1951	25	31.9
1952	44	31.9
1953	33	31.9
1954	23	31.9
1955	36	31.9
1956	44	31.9
1957	25	31.9
1958	38	31.9
1959	28	31.9

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

First to last qualifying date each year at Boolarra
Year	First date	Last date
1904	1904-01-01	1904-12-26
1905	1905-01-02	1905-12-10
1906	1906-03-10	1906-12-26
1907	1907-04-18	1907-12-28
1908	1908-01-09	1908-11-26
1909	1909-01-03	1909-12-05
1910	1910-01-14	1910-12-27
1911	1911-01-18	1911-12-26
1912	1912-01-05	1912-12-11
1913	1913-02-05	1913-12-24
1914	1914-01-13	1914-12-26
1915	1915-01-07	1915-11-29
1916	1916-01-28	1916-12-13
1917	1917-02-21	1917-12-31
1918	1918-01-13	1918-12-26
1919	1919-02-18	1919-12-28
1920	1920-01-08	1920-12-24
1921	1921-01-02	1921-12-08
1922	1922-01-09	1922-12-31
1923	1923-01-18	1923-12-16
1924	1924-01-03	1924-12-27
1925	1925-01-13	1925-11-20
1926	1926-01-07	1926-12-22
1927	1927-01-28	1927-12-10
1928	1928-02-10	1928-12-23
1929	1929-01-04	1929-12-16
1931	1931-01-11	1931-11-20
1932	1932-01-10	1932-12-25
1933	1933-01-27	1933-12-15
1934	1934-01-06	1934-12-09
1935	1935-01-06	1935-12-21
1936	1936-01-04	1936-12-19
1937	1937-01-01	1937-12-03
1938	1938-01-07	1938-12-13
1939	1939-02-03	1939-12-05
1940	1940-01-06	1940-12-28
1941	1941-01-04	1941-12-06
1942	1942-01-20	1942-11-28
1945	1945-02-12	1945-11-21
1946	1946-01-17	1946-12-29
1947	1947-01-08	1947-12-21
1948	1948-01-06	1948-12-19
1949	1949-01-17	1949-11-28
1950	1950-02-02	1950-12-30
1951	1951-01-07	1951-12-20
1952	1952-02-01	1952-12-12
1953	1953-01-06	1953-12-31
1954	1954-02-03	1954-12-12
1955	1955-02-14	1955-12-31
1956	1956-01-11	1956-12-29
1957	1957-03-08	1957-12-26
1958	1958-02-18	1958-12-17
1959	1959-01-26	1959-12-12

Every Fixed Threshold

Fixed thresholds at Boolarra
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	53	44	1952	28
25 mm (0.98 in): Days with 25 mm or more rain	53	10	1919	3
50 mm (1.97 in): Days with 50 mm or more rain	9	2	1923	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Boolarra 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Boolarra Threshold Days by Year

Key Facts for Boolarra Thresholds

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

Every Fixed Threshold

Download the Data

Related