Lake Bolac (Post Office) Weather Records (ASN00089016)

Record envelope, standing records and threshold days for Lake Bolac (Post Office) (ASN00089016), Australia, with 115 years of record.

Key Facts for Lake Bolac (Post Office)

Lake Bolac (Post Office) (ASN00089016) is a weather station in Australia at -37.71 latitude and 142.84 longitude, 220 m (722 ft) above sea level.
The station reports from 1912 to 2026, 115 years of record.
0 records set at Lake Bolac (Post Office) still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Lake Bolac (Post Office) set a daily record precipitation of 10.0 mm (0.4 in) on 11 July 2026.

About the Station

Location: Australia, -37.71 latitude, 142.84 longitude.
Elevation: 220 m (722 ft).
Period of record: 1912 to 2026, 115 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Lake Bolac (Post Office). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Lake Bolac (Post Office), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

0 standing records

0 records at Lake Bolac (Post Office) still stand.

All-Time Record Progression

2 new records

2 all-time records were set at Lake Bolac (Post Office) between 6 February 1973 and 23 April 1980. Each dot is a new record.

When Lake Bolac (Post Office) set new all-time records
Date	Kind	Detail
1973-02-06	Record daily precipitation	Record daily precipitation 91.4 mm (3.6 in)
1980-04-23	Record daily precipitation	Record daily precipitation 95.8 mm (3.8 in)

Wettest Day of Each Month

Apr: 95.8 mm (3.8 in)

The wettest day on record for each calendar month at Lake Bolac (Post Office). The most was 95.8 mm (3.8 in) on 23 April 1980.

Record daily precipitation for each month at Lake Bolac (Post Office)
Month	Record daily precipitation (mm)	Date
Jan	77.0 mm (3.0 in)	1 January 1937
Feb	91.4 mm (3.6 in)	6 February 1973
Mar	57.9 mm (2.3 in)	5 March 1919
Apr	95.8 mm (3.8 in)	23 April 1980
May	40.8 mm (1.6 in)	3 May 1983
Jun	34.0 mm (1.3 in)	8 June 2025
Jul	32.0 mm (1.3 in)	4 July 1918
Aug	43.9 mm (1.7 in)	24 August 1918
Sep	44.7 mm (1.8 in)	19 September 1913
Oct	60.2 mm (2.4 in)	13 October 2022
Nov	54.4 mm (2.1 in)	13 November 1998
Dec	67.3 mm (2.6 in)	13 December 1966

Latest Records

Latest records at Lake Bolac (Post Office)
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 July 2026	Lake Bolac (Post Office), AU	daily rain	10.0 mm (0.4 in)	2.6 mm (0.10 in)	92 years	20 of 100 (Routine)
5 June 2026	Lake Bolac (Post Office), AU	daily rain	25.0 mm (1.0 in)	2.6 mm (0.10 in)	40 years	28 of 100 (Routine)
11 November 2025	Lake Bolac (Post Office), AU	daily rain	16.4 mm (0.6 in)	1.7 mm (0.07 in)	72 years	20 of 100 (Routine)
26 October 2025	Lake Bolac (Post Office), AU	daily rain	16.6 mm (0.7 in)	2.6 mm (0.10 in)	22 years	20 of 100 (Routine)
25 June 2025	Lake Bolac (Post Office), AU	daily rain (Tie)	14.2 mm (0.6 in)	tie	66 years	7 of 100 (Routine)
8 June 2025	Lake Bolac (Post Office), AU	monthly rain	34.0 mm (1.3 in)	7.2 mm (0.28 in)	3 years	39 of 100 (Notable)
17 January 2024	Lake Bolac (Post Office), AU	daily rain	17.2 mm (0.7 in)	7.6 mm (0.30 in)	44 years	20 of 100 (Routine)
8 January 2024	Lake Bolac (Post Office), AU	daily rain	33.8 mm (1.3 in)	28.6 mm (1.1 in)	48 years	52 of 100 (Notable)
8 June 2023	Lake Bolac (Post Office), AU	daily rain	15.8 mm (0.6 in)	2.8 mm (0.11 in)	1 year	17 of 100 (Routine)
8 April 2023	Lake Bolac (Post Office), AU	daily rain	22.8 mm (0.9 in)	3.5 mm (0.14 in)	58 years	20 of 100 (Routine)
14 October 2022	Lake Bolac (Post Office), AU	daily rain	28.0 mm (1.1 in)	10.2 mm (0.4 in)	67 years	49 of 100 (Notable)
13 October 2022	Lake Bolac (Post Office), AU	monthly rain	60.2 mm (2.4 in)	9.0 mm (0.35 in)	32 years	46 of 100 (Notable)
27 September 2022	Lake Bolac (Post Office), AU	daily rain	18.4 mm (0.7 in)	3.2 mm (0.13 in)	44 years	20 of 100 (Routine)
9 June 2021	Lake Bolac (Post Office), AU	monthly rain	26.8 mm (1.1 in)	1.4 mm (0.06 in)	82 years	47 of 100 (Notable)
8 June 2021	Lake Bolac (Post Office), AU	daily rain	13.0 mm (0.5 in)	2.4 mm (0.09 in)	27 years	20 of 100 (Routine)
4 May 2021	Lake Bolac (Post Office), AU	daily rain	14.0 mm (0.6 in)	2.8 mm (0.11 in)	94 years	20 of 100 (Routine)
29 January 2021	Lake Bolac (Post Office), AU	daily rain	36.2 mm (1.4 in)	4.0 mm (0.16 in)	22 years	20 of 100 (Routine)
2 January 2021	Lake Bolac (Post Office), AU	daily rain	44.0 mm (1.7 in)	7.2 mm (0.28 in)	100 years	47 of 100 (Notable)
23 November 2020	Lake Bolac (Post Office), AU	daily rain	24.6 mm (1.0 in)	9.6 mm (0.38 in)	45 years	20 of 100 (Routine)
12 September 2020	Lake Bolac (Post Office), AU	daily rain	12.6 mm (0.5 in)	1.6 mm (0.06 in)	24 years	20 of 100 (Routine)

Extremes by Year

1912 to 2026

Yearly extremes at Lake Bolac (Post Office): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	95.8 mm (3.8 in)	1980	33.8 mm (1.3 in)	115
Wettest five days (Rx5day)	127.4 mm (5.0 in)	1980	53.1 mm (2.1 in)	115
Longest dry spell (CDD)	71 days	1926	26 days	115

Wettest day (Rx1day)

The wettest day of the year at Lake Bolac (Post Office), 1912 to 2026. The record is 95.8 mm (3.8 in) in 1980, marked on the chart; the median year is 33.8 mm (1.3 in).

Wettest day (Rx1day) at Lake Bolac (Post Office) by year
Year	Wettest day (Rx1day)
1912	12.7 mm (0.5 in)
1913	44.7 mm (1.8 in)
1914	19.1 mm (0.8 in)
1915	18.5 mm (0.7 in)
1916	37.6 mm (1.5 in)
1917	32.5 mm (1.3 in)
1918	43.9 mm (1.7 in)
1919	57.9 mm (2.3 in)
1920	23.9 mm (0.9 in)
1921	36.8 mm (1.4 in)
1922	16.3 mm (0.6 in)
1923	27.9 mm (1.1 in)
1924	27.9 mm (1.1 in)
1925	26.4 mm (1.0 in)
1926	31.0 mm (1.2 in)
1927	22.9 mm (0.9 in)
1928	33.5 mm (1.3 in)
1929	37.6 mm (1.5 in)
1930	71.9 mm (2.8 in)
1931	27.9 mm (1.1 in)
1932	50.8 mm (2.0 in)
1933	33.0 mm (1.3 in)
1934	34.3 mm (1.4 in)
1935	18.8 mm (0.7 in)
1936	27.9 mm (1.1 in)
1937	77.0 mm (3.0 in)
1938	19.8 mm (0.8 in)
1939	39.4 mm (1.6 in)
1940	26.7 mm (1.1 in)
1941	67.1 mm (2.6 in)
1942	26.4 mm (1.0 in)
1943	30.5 mm (1.2 in)
1944	25.4 mm (1.0 in)
1945	31.2 mm (1.2 in)
1946	48.3 mm (1.9 in)
1947	24.9 mm (1.0 in)
1948	33.0 mm (1.3 in)
1949	38.1 mm (1.5 in)
1950	38.6 mm (1.5 in)
1951	20.6 mm (0.8 in)
1952	41.4 mm (1.6 in)
1953	31.2 mm (1.2 in)
1954	46.2 mm (1.8 in)
1955	25.9 mm (1.0 in)
1956	39.4 mm (1.6 in)
1957	45.2 mm (1.8 in)
1958	23.9 mm (0.9 in)
1959	51.1 mm (2.0 in)
1960	32.0 mm (1.3 in)
1961	37.6 mm (1.5 in)
1962	24.1 mm (0.9 in)
1963	52.1 mm (2.1 in)
1964	43.2 mm (1.7 in)
1965	32.5 mm (1.3 in)
1966	67.3 mm (2.6 in)
1967	16.8 mm (0.7 in)
1968	36.1 mm (1.4 in)
1969	35.6 mm (1.4 in)
1970	44.2 mm (1.7 in)
1971	29.5 mm (1.2 in)
1972	31.8 mm (1.3 in)
1973	91.4 mm (3.6 in)
1974	62.0 mm (2.4 in)
1975	26.8 mm (1.1 in)
1976	26.4 mm (1.0 in)
1977	44.2 mm (1.7 in)
1978	51.8 mm (2.0 in)
1979	25.2 mm (1.0 in)
1980	95.8 mm (3.8 in)
1981	29.0 mm (1.1 in)
1982	19.2 mm (0.8 in)
1983	40.8 mm (1.6 in)
1984	34.6 mm (1.4 in)
1985	36.6 mm (1.4 in)
1986	28.6 mm (1.1 in)
1987	45.0 mm (1.8 in)
1988	35.0 mm (1.4 in)
1989	25.4 mm (1.0 in)
1990	51.2 mm (2.0 in)
1991	63.4 mm (2.5 in)
1992	75.0 mm (3.0 in)
1993	40.2 mm (1.6 in)
1994	34.0 mm (1.3 in)
1995	23.0 mm (0.9 in)
1996	20.4 mm (0.8 in)
1997	29.8 mm (1.2 in)
1998	54.4 mm (2.1 in)
1999	48.6 mm (1.9 in)
2000	50.4 mm (2.0 in)
2001	41.6 mm (1.6 in)
2002	44.0 mm (1.7 in)
2003	43.4 mm (1.7 in)
2004	35.0 mm (1.4 in)
2005	80.0 mm (3.1 in)
2006	23.0 mm (0.9 in)
2007	57.0 mm (2.2 in)
2008	64.6 mm (2.5 in)
2009	30.0 mm (1.2 in)
2010	45.8 mm (1.8 in)
2011	62.0 mm (2.4 in)
2012	25.4 mm (1.0 in)
2013	24.0 mm (0.9 in)
2014	16.4 mm (0.6 in)
2015	23.0 mm (0.9 in)
2016	24.0 mm (0.9 in)
2017	29.8 mm (1.2 in)
2018	21.4 mm (0.8 in)
2019	31.4 mm (1.2 in)
2020	30.4 mm (1.2 in)
2021	44.0 mm (1.7 in)
2022	60.2 mm (2.4 in)
2023	22.8 mm (0.9 in)
2024	33.8 mm (1.3 in)
2025	34.0 mm (1.3 in)
2026	25.0 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Lake Bolac (Post Office), 1912 to 2026. The record is 127.4 mm (5.0 in) in 1980, marked on the chart; the median year is 53.1 mm (2.1 in).

Wettest five days (Rx5day) at Lake Bolac (Post Office) by year
Year	Wettest five days (Rx5day)
1912	37.4 mm (1.5 in)
1913	73.4 mm (2.9 in)
1914	30.5 mm (1.2 in)
1915	28.5 mm (1.1 in)
1916	97.0 mm (3.8 in)
1917	42.9 mm (1.7 in)
1918	46.9 mm (1.8 in)
1919	82.8 mm (3.3 in)
1920	30.3 mm (1.2 in)
1921	40.1 mm (1.6 in)
1922	33.9 mm (1.3 in)
1923	42.1 mm (1.7 in)
1924	56.9 mm (2.2 in)
1925	40.9 mm (1.6 in)
1926	38.4 mm (1.5 in)
1927	38.2 mm (1.5 in)
1928	86.9 mm (3.4 in)
1929	40.6 mm (1.6 in)
1930	91.7 mm (3.6 in)
1931	41.2 mm (1.6 in)
1932	59.4 mm (2.3 in)
1933	66.3 mm (2.6 in)
1934	59.2 mm (2.3 in)
1935	36.1 mm (1.4 in)
1936	57.7 mm (2.3 in)
1937	114.6 mm (4.5 in)
1938	25.4 mm (1.0 in)
1939	60.0 mm (2.4 in)
1940	35.3 mm (1.4 in)
1941	100.6 mm (4.0 in)
1942	40.8 mm (1.6 in)
1943	37.8 mm (1.5 in)
1944	31.7 mm (1.2 in)
1945	48.4 mm (1.9 in)
1946	85.3 mm (3.4 in)
1947	52.6 mm (2.1 in)
1948	61.7 mm (2.4 in)
1949	51.8 mm (2.0 in)
1950	55.3 mm (2.2 in)
1951	70.4 mm (2.8 in)
1952	46.0 mm (1.8 in)
1953	60.4 mm (2.4 in)
1954	87.4 mm (3.4 in)
1955	52.8 mm (2.1 in)
1956	53.1 mm (2.1 in)
1957	74.9 mm (2.9 in)
1958	32.0 mm (1.3 in)
1959	66.3 mm (2.6 in)
1960	62.0 mm (2.4 in)
1961	46.5 mm (1.8 in)
1962	37.0 mm (1.5 in)
1963	69.9 mm (2.8 in)
1964	62.2 mm (2.4 in)
1965	46.7 mm (1.8 in)
1966	80.5 mm (3.2 in)
1967	20.7 mm (0.8 in)
1968	69.5 mm (2.7 in)
1969	69.8 mm (2.7 in)
1970	115.9 mm (4.6 in)
1971	49.5 mm (1.9 in)
1972	50.6 mm (2.0 in)
1973	96.2 mm (3.8 in)
1974	65.0 mm (2.6 in)
1975	39.2 mm (1.5 in)
1976	37.4 mm (1.5 in)
1977	53.2 mm (2.1 in)
1978	53.2 mm (2.1 in)
1979	53.8 mm (2.1 in)
1980	127.4 mm (5.0 in)
1981	31.0 mm (1.2 in)
1982	24.8 mm (1.0 in)
1983	60.0 mm (2.4 in)
1984	59.8 mm (2.4 in)
1985	59.6 mm (2.3 in)
1986	50.4 mm (2.0 in)
1987	76.2 mm (3.0 in)
1988	61.4 mm (2.4 in)
1989	29.0 mm (1.1 in)
1990	62.2 mm (2.4 in)
1991	72.4 mm (2.9 in)
1992	80.8 mm (3.2 in)
1993	68.4 mm (2.7 in)
1994	36.8 mm (1.4 in)
1995	66.2 mm (2.6 in)
1996	36.0 mm (1.4 in)
1997	32.2 mm (1.3 in)
1998	61.6 mm (2.4 in)
1999	55.4 mm (2.2 in)
2000	56.8 mm (2.2 in)
2001	64.6 mm (2.5 in)
2002	49.4 mm (1.9 in)
2003	50.8 mm (2.0 in)
2004	50.3 mm (2.0 in)
2005	115.5 mm (4.5 in)
2006	40.6 mm (1.6 in)
2007	72.0 mm (2.8 in)
2008	64.6 mm (2.5 in)
2009	44.8 mm (1.8 in)
2010	58.4 mm (2.3 in)
2011	122.4 mm (4.8 in)
2012	42.4 mm (1.7 in)
2013	38.4 mm (1.5 in)
2014	21.2 mm (0.8 in)
2015	35.8 mm (1.4 in)
2016	51.2 mm (2.0 in)
2017	51.8 mm (2.0 in)
2018	42.8 mm (1.7 in)
2019	41.6 mm (1.6 in)
2020	43.0 mm (1.7 in)
2021	61.6 mm (2.4 in)
2022	90.0 mm (3.5 in)
2023	42.2 mm (1.7 in)
2024	38.6 mm (1.5 in)
2025	63.4 mm (2.5 in)
2026	54.0 mm (2.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Lake Bolac (Post Office), 1912 to 2026. The record is 71 days in 1926, marked on the chart; the median year is 26 days.

Longest dry spell (CDD) at Lake Bolac (Post Office) by year
Year	Longest dry spell (CDD)
1912	19 days
1913	32 days
1914	43 days
1915	58 days
1916	44 days
1917	23 days
1918	32 days
1919	54 days
1920	25 days
1921	29 days
1922	24 days
1923	66 days
1924	28 days
1925	28 days
1926	71 days
1927	28 days
1928	57 days
1929	23 days
1930	37 days
1931	18 days
1932	35 days
1933	27 days
1934	26 days
1935	25 days
1936	59 days
1937	23 days
1938	18 days
1939	16 days
1940	34 days
1941	20 days
1942	19 days
1943	26 days
1944	22 days
1945	38 days
1946	18 days
1947	14 days
1948	40 days
1949	19 days
1950	28 days
1951	41 days
1952	21 days
1953	22 days
1954	25 days
1955	40 days
1956	42 days
1957	37 days
1958	29 days
1959	28 days
1960	23 days
1961	37 days
1962	30 days
1963	44 days
1964	26 days
1965	48 days
1966	16 days
1967	37 days
1968	29 days
1969	21 days
1970	33 days
1971	24 days
1972	37 days
1973	13 days
1974	15 days
1975	45 days
1976	15 days
1977	21 days
1978	16 days
1979	16 days
1980	15 days
1981	15 days
1982	21 days
1983	35 days
1984	18 days
1985	19 days
1986	33 days
1987	45 days
1988	25 days
1989	21 days
1990	31 days
1991	38 days
1992	13 days
1993	19 days
1994	19 days
1995	20 days
1996	22 days
1997	26 days
1998	35 days
1999	22 days
2000	29 days
2001	31 days
2002	32 days
2003	24 days
2004	22 days
2005	20 days
2006	28 days
2007	21 days
2008	20 days
2009	33 days
2010	17 days
2011	15 days
2012	20 days
2013	31 days
2014	22 days
2015	29 days
2016	21 days
2017	23 days
2018	28 days
2019	25 days
2020	16 days
2021	29 days
2022	31 days
2023	24 days
2024	37 days
2025	29 days
2026	39 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

102 years, 1913 to 2025

A day with at least 33.8 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 95.6 mm (3.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Lake Bolac (Post Office): the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	33.8 mm (1.3 in)
5 years	46.8 mm (1.8 in)
10 years	56.6 mm (2.2 in)
25 years	70.8 mm (2.8 in)
50 years	82.6 mm (3.3 in)
100 years	95.6 mm (3.8 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 102 years of values from 1913 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 95.8 mm (3.8 in) in 1980; 91.4 mm (3.6 in) in 1973; 77.0 mm (3.0 in) in 1937.

Download the Data

Data for Lake Bolac (Post Office) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Lake Bolac (Post Office) 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a