Koondrook State Forest Threshold Days by Year (ASN00075038)

3 fixed thresholds counted per year at Koondrook State Forest (ASN00075038): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koondrook State Forest Thresholds

Koondrook State Forest: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1956 with 31.
Koondrook State Forest: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1958 with 9.
Koondrook State Forest: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1941 with 1.
3 fixed thresholds have at least one qualifying day at Koondrook State Forest.

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

41 years with a qualifying day

Days per year at Koondrook State Forest with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Koondrook State Forest
Year	Days	Decade average
1939	16	16
1940	7	11.2
1941	12	11.2
1942	13	11.2
1943	4	11.2
1944	6	11.2
1945	17	11.2
1946	14	11.2
1947	14	11.2
1948	9	11.2
1949	16	11.2
1950	22	15.4
1951	13	15.4
1952	14	15.4
1953	9	15.4
1954	18	15.4
1955	20	15.4
1956	31	15.4
1957	6	15.4
1958	12	15.4
1959	9	15.4
1960	20	11.9
1962	9	11.9
1963	14	11.9
1964	14	11.9
1965	10	11.9
1966	12	11.9
1967	4	11.9
1968	11	11.9
1969	13	11.9
1970	16	14.5
1971	13	14.5
1972	6	14.5
1973	30	14.5
1974	20	14.5
1975	17	14.5
1976	9	14.5
1977	4	14.5
1978	16	14.5
1979	14	14.5
1980	10	10

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

First to last qualifying date each year at Koondrook State Forest
Year	First date	Last date
1939	1939-02-16	1939-11-15
1940	1940-01-06	1940-11-11
1941	1941-01-04	1941-11-05
1942	1942-01-19	1942-11-22
1943	1943-02-18	1943-11-18
1944	1944-03-21	1944-12-21
1945	1945-01-15	1945-12-27
1946	1946-01-18	1946-12-29
1947	1947-03-01	1947-12-25
1948	1948-04-11	1948-12-26
1949	1949-01-10	1949-11-12
1950	1950-02-03	1950-12-19
1951	1951-01-06	1951-10-11
1952	1952-02-15	1952-12-10
1953	1953-01-14	1953-10-21
1954	1954-01-27	1954-12-11
1955	1955-02-10	1955-12-03
1956	1956-01-18	1956-11-14
1957	1957-02-06	1957-07-10
1958	1958-01-29	1958-11-29
1959	1959-01-26	1959-12-24
1960	1960-01-09	1960-12-31
1962	1962-01-16	1962-12-30
1963	1963-01-02	1963-10-26
1964	1964-04-08	1964-11-18
1965	1965-05-31	1965-12-01
1966	1966-02-15	1966-12-13
1967	1967-05-19	1967-09-15
1968	1968-01-22	1968-12-16
1969	1969-02-10	1969-10-29
1970	1970-01-02	1970-12-10
1971	1971-01-31	1971-12-21
1972	1972-01-06	1972-11-02
1973	1973-01-20	1973-12-30
1974	1974-01-03	1974-11-27
1975	1975-03-19	1975-12-14
1976	1976-01-13	1976-12-24
1977	1977-02-20	1977-09-10
1978	1978-01-24	1978-12-25
1979	1979-01-15	1979-10-12
1980	1980-03-08	1980-10-13

Every Fixed Threshold

Fixed thresholds at Koondrook State Forest
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	41	31	1956	10
25 mm (0.98 in): Days with 25 mm or more rain	35	9	1958	1
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

Data for Koondrook State Forest 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).

Koondrook State Forest Threshold Days by Year (ASN00075038)

Key Facts for Koondrook State Forest Thresholds

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

Every Fixed Threshold

Download the Data

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