Lake Lonsdale Threshold Days by Year (ASN00079026)

3 fixed thresholds counted per year at Lake Lonsdale (ASN00079026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lake Lonsdale Thresholds

Lake Lonsdale: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1974 with 30.
Lake Lonsdale: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1974 with 8.
Lake Lonsdale: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1913 with 1.
3 fixed thresholds have at least one qualifying day at Lake Lonsdale.

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

66 years with a qualifying day

Days per year at Lake Lonsdale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Lake Lonsdale
Year	Days	Decade average
1913	13	16.6
1914	9	16.6
1915	20	16.6
1916	24	16.6
1917	24	16.6
1918	16	16.6
1919	10	16.6
1921	21	15.6
1922	12	15.6
1923	18	15.6
1924	25	15.6
1925	11	15.6
1926	15	15.6
1927	12	15.6
1928	18	15.6
1929	8	15.6
1930	21	16.2
1931	16	16.2
1932	15	16.2
1933	20	16.2
1934	8	16.2
1935	17	16.2
1943	9	15.6
1944	8	15.6
1945	17	15.6
1946	19	15.6
1947	25	15.6
1948	16	15.6
1949	15	15.6
1950	20	19
1951	27	19
1952	21	19
1953	19	19
1954	16	19
1955	22	19
1956	23	19
1957	10	19
1958	13	19
1959	19	19
1960	25	15.8
1961	12	15.8
1962	14	15.8
1963	16	15.8
1964	26	15.8
1965	14	15.8
1966	13	15.8
1967	7	15.8
1969	15	15.8
1970	9	18
1971	22	18
1972	13	18
1973	28	18
1974	30	18
1975	16	18
1976	15	18
1977	12	18
1978	11	18
1979	24	18
1980	20	17.4
1981	22	17.4
1982	4	17.4
1983	18	17.4
1984	19	17.4
1985	14	17.4
1986	24	17.4
1987	18	17.4

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

First to last qualifying date each year at Lake Lonsdale
Year	First date	Last date
1913	1913-02-14	1913-12-23
1914	1914-02-28	1914-12-23
1915	1915-04-11	1915-09-20
1916	1916-01-28	1916-12-09
1917	1917-01-22	1917-12-31
1918	1918-02-18	1918-10-07
1919	1919-02-03	1919-12-28
1921	1921-01-02	1921-11-27
1922	1922-05-02	1922-12-26
1923	1923-05-08	1923-12-16
1924	1924-02-03	1924-11-23
1925	1925-02-08	1925-11-18
1926	1926-04-05	1926-10-07
1927	1927-03-19	1927-12-02
1928	1928-01-18	1928-10-26
1929	1929-03-24	1929-12-28
1930	1930-02-21	1930-12-25
1931	1931-01-25	1931-11-16
1932	1932-02-05	1932-11-14
1933	1933-01-24	1933-12-05
1934	1934-04-04	1934-11-08
1935	1935-01-05	1935-12-02
1943	1943-02-18	1943-10-18
1944	1944-01-23	1944-12-21
1945	1945-02-19	1945-12-27
1946	1946-01-17	1946-12-29
1947	1947-02-04	1947-12-22
1948	1948-02-15	1948-12-25
1949	1949-01-04	1949-11-22
1950	1950-02-02	1950-12-20
1951	1951-02-19	1951-12-09
1952	1952-01-25	1952-11-26
1953	1953-04-04	1953-12-07
1954	1954-01-28	1954-12-12
1955	1955-02-10	1955-11-11
1956	1956-03-03	1956-11-16
1957	1957-02-07	1957-11-07
1958	1958-01-30	1958-11-29
1959	1959-02-13	1959-12-25
1960	1960-01-04	1960-12-30
1961	1961-02-09	1961-12-15
1962	1962-01-17	1962-10-05
1963	1963-01-14	1963-12-06
1964	1964-01-15	1964-12-26
1965	1965-05-09	1965-12-07
1966	1966-01-13	1966-12-13
1967	1967-02-25	1967-12-30
1969	1969-01-26	1969-12-02
1970	1970-04-11	1970-12-05
1971	1971-01-30	1971-12-10
1972	1972-03-02	1972-11-24
1973	1973-01-31	1973-12-15
1974	1974-01-14	1974-10-25
1975	1975-03-15	1975-12-29
1976	1976-02-09	1976-12-24
1977	1977-01-14	1977-11-29
1978	1978-03-21	1978-12-04
1979	1979-01-17	1979-11-15
1980	1980-01-12	1980-11-06
1981	1981-01-09	1981-10-03
1982	1982-01-25	1982-05-06
1983	1983-03-22	1983-11-27
1984	1984-01-01	1984-11-02
1985	1985-01-03	1985-12-08
1986	1986-04-17	1986-12-17
1987	1987-01-03	1987-10-19

Every Fixed Threshold

Fixed thresholds at Lake Lonsdale
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	66	30	1974	18
25 mm (0.98 in): Days with 25 mm or more rain	61	8	1974	2
50 mm (1.97 in): Days with 50 mm or more rain	19	1	1913	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 Lake Lonsdale 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).

Lake Lonsdale Threshold Days by Year (ASN00079026)

Key Facts for Lake Lonsdale Thresholds

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

Every Fixed Threshold

Download the Data

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