Hamilton Downs Weather Records (ASN00037023)

Record envelope, standing records and threshold days for Hamilton Downs (ASN00037023), Australia, with 66 years of record.

Key Facts for Hamilton Downs

Hamilton Downs (ASN00037023) is a weather station in Australia at -21.42 latitude and 142.40 longitude, n/a above sea level.
The station reports from 1891 to 1956, 66 years of record.
0 records set at Hamilton Downs still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Hamilton Downs set a monthly record daily precipitation of 48.3 mm (1.9 in) on 11 July 1956.

About the Station

Location: Australia, -21.42 latitude, 142.40 longitude.
Elevation: n/a.
Period of record: 1891 to 1956, 66 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 Hamilton Downs. 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 Hamilton Downs, 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 Hamilton Downs still stand.

Wettest Day of Each Month

Mar: 293.4 mm (11.6 in)

The wettest day on record for each calendar month at Hamilton Downs. The most was 293.4 mm (11.6 in) on 13 March 1936.

Record daily precipitation for each month at Hamilton Downs
Month	Record daily precipitation (mm)	Date
Jan	148.6 mm (5.9 in)	31 January 1922
Feb	155.4 mm (6.1 in)	2 February 1911
Mar	293.4 mm (11.6 in)	13 March 1936
Apr	59.2 mm (2.3 in)	6 April 1924
May	69.3 mm (2.7 in)	23 May 1955
Jun	78.0 mm (3.1 in)	30 June 1935
Jul	48.3 mm (1.9 in)	11 July 1956
Aug	41.9 mm (1.6 in)	18 August 1947
Sep	79.5 mm (3.1 in)	3 September 1936
Oct	64.3 mm (2.5 in)	19 October 1939
Nov	63.5 mm (2.5 in)	2 November 1917
Dec	97.8 mm (3.9 in)	11 December 1924

Latest Records

Latest records at Hamilton Downs
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 July 1956	Hamilton Downs, AU	monthly rain	48.3 mm (1.9 in)	2.8 mm (0.11 in)	23 years	24 of 100 (Routine)
7 July 1956	Hamilton Downs, AU	daily rain	17.8 mm (0.7 in)	15.5 mm (0.6 in)	2 years	18 of 100 (Routine)
30 April 1956	Hamilton Downs, AU	daily rain	17.8 mm (0.7 in)	17.8 mm (0.7 in)	63 years	20 of 100 (Routine)
29 April 1956	Hamilton Downs, AU	daily rain	21.6 mm (0.9 in)	20.8 mm (0.8 in)	36 years	20 of 100 (Routine)
25 April 1956	Hamilton Downs, AU	daily rain	15.2 mm (0.6 in)	15.2 mm (0.6 in)	63 years	20 of 100 (Routine)
3 April 1956	Hamilton Downs, AU	daily rain	17.8 mm (0.7 in)	1.3 mm (0.05 in)	6 years	7 of 100 (Routine)
1 February 1956	Hamilton Downs, AU	daily rain	53.3 mm (2.1 in)	3.5 mm (0.14 in)	33 years	17 of 100 (Routine)
28 January 1956	Hamilton Downs, AU	daily rain	27.9 mm (1.1 in)	11.9 mm (0.5 in)	21 years	18 of 100 (Routine)
22 July 1955	Hamilton Downs, AU	daily rain	2.3 mm (0.09 in)	2.3 mm (0.09 in)	62 years	20 of 100 (Routine)
15 July 1955	Hamilton Downs, AU	daily rain	3.8 mm (0.15 in)	3.8 mm (0.15 in)	62 years	20 of 100 (Routine)
25 May 1955	Hamilton Downs, AU	daily rain	68.6 mm (2.7 in)	51.8 mm (2.0 in)	4 years	47 of 100 (Notable)
24 May 1955	Hamilton Downs, AU	daily rain	57.2 mm (2.3 in)	51.1 mm (2.0 in)	2 years	46 of 100 (Notable)
23 May 1955	Hamilton Downs, AU	monthly rain	69.3 mm (2.7 in)	26.6 mm (1.0 in)	11 years	40 of 100 (Notable)
11 March 1955	Hamilton Downs, AU	daily rain	36.8 mm (1.4 in)	5.8 mm (0.23 in)	4 years	8 of 100 (Routine)
27 February 1955	Hamilton Downs, AU	daily rain	61.7 mm (2.4 in)	10.9 mm (0.4 in)	15 years	15 of 100 (Routine)
21 February 1955	Hamilton Downs, AU	daily rain	54.6 mm (2.1 in)	16.2 mm (0.6 in)	29 years	21 of 100 (Routine)
27 January 1955	Hamilton Downs, AU	daily rain	52.8 mm (2.1 in)	7.6 mm (0.30 in)	37 years	20 of 100 (Routine)
9 November 1954	Hamilton Downs, AU	daily rain	18.5 mm (0.7 in)	10.4 mm (0.4 in)	20 years	20 of 100 (Routine)
13 July 1954	Hamilton Downs, AU	daily rain	1.0 mm (0.04 in)	1.0 mm (0.04 in)	61 years	20 of 100 (Routine)
7 July 1954	Hamilton Downs, AU	daily rain	2.3 mm (0.09 in)	2.3 mm (0.09 in)	61 years	20 of 100 (Routine)

Extremes by Year

1891 to 1956

Yearly extremes at Hamilton Downs: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	293.4 mm (11.6 in)	1936	45.8 mm (1.8 in)	66
Wettest five days (Rx5day)	324.4 mm (12.8 in)	1936	76.4 mm (3.0 in)	66
Longest dry spell (CDD)	260 days	1946	95 days	66

Wettest day (Rx1day)

The wettest day of the year at Hamilton Downs, 1891 to 1956. The record is 293.4 mm (11.6 in) in 1936, marked on the chart; the median year is 45.8 mm (1.8 in).

Wettest day (Rx1day) at Hamilton Downs by year
Year	Wettest day (Rx1day)
1891	0.0 mm (0.00 in)
1892	0.0 mm (0.00 in)
1893	0.0 mm (0.00 in)
1894	0.0 mm (0.00 in)
1895	0.0 mm (0.00 in)
1896	0.0 mm (0.00 in)
1897	0.0 mm (0.00 in)
1898	0.0 mm (0.00 in)
1899	0.0 mm (0.00 in)
1900	5.8 mm (0.23 in)
1901	0.0 mm (0.00 in)
1902	0.0 mm (0.00 in)
1903	0.0 mm (0.00 in)
1904	0.0 mm (0.00 in)
1905	0.0 mm (0.00 in)
1906	0.0 mm (0.00 in)
1907	0.0 mm (0.00 in)
1908	0.0 mm (0.00 in)
1909	110.0 mm (4.3 in)
1910	76.5 mm (3.0 in)
1911	155.4 mm (6.1 in)
1912	54.6 mm (2.1 in)
1913	40.9 mm (1.6 in)
1914	51.1 mm (2.0 in)
1915	45.0 mm (1.8 in)
1916	61.7 mm (2.4 in)
1917	78.7 mm (3.1 in)
1918	65.8 mm (2.6 in)
1919	58.9 mm (2.3 in)
1920	80.3 mm (3.2 in)
1921	62.2 mm (2.4 in)
1922	148.6 mm (5.9 in)
1923	43.7 mm (1.7 in)
1924	97.8 mm (3.9 in)
1925	56.1 mm (2.2 in)
1926	0.0 mm (0.00 in)
1927	76.2 mm (3.0 in)
1928	69.9 mm (2.8 in)
1929	101.6 mm (4.0 in)
1930	0.0 mm (0.00 in)
1931	0.0 mm (0.00 in)
1932	14.7 mm (0.6 in)
1933	45.5 mm (1.8 in)
1934	42.4 mm (1.7 in)
1935	78.0 mm (3.1 in)
1936	293.4 mm (11.6 in)
1937	227.1 mm (8.9 in)
1938	86.4 mm (3.4 in)
1939	64.3 mm (2.5 in)
1940	79.5 mm (3.1 in)
1941	57.4 mm (2.3 in)
1942	42.4 mm (1.7 in)
1943	61.0 mm (2.4 in)
1944	42.7 mm (1.7 in)
1945	68.8 mm (2.7 in)
1946	43.4 mm (1.7 in)
1947	41.9 mm (1.6 in)
1948	59.9 mm (2.4 in)
1949	46.0 mm (1.8 in)
1950	90.9 mm (3.6 in)
1951	62.7 mm (2.5 in)
1952	42.7 mm (1.7 in)
1953	26.2 mm (1.0 in)
1954	119.4 mm (4.7 in)
1955	69.3 mm (2.7 in)
1956	53.3 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hamilton Downs, 1891 to 1956. The record is 324.4 mm (12.8 in) in 1936, marked on the chart; the median year is 76.4 mm (3.0 in).

Wettest five days (Rx5day) at Hamilton Downs by year
Year	Wettest five days (Rx5day)
1891	0.0 mm (0.00 in)
1892	0.0 mm (0.00 in)
1893	0.0 mm (0.00 in)
1894	0.0 mm (0.00 in)
1895	0.0 mm (0.00 in)
1896	0.0 mm (0.00 in)
1897	0.0 mm (0.00 in)
1898	0.0 mm (0.00 in)
1899	0.0 mm (0.00 in)
1900	5.8 mm (0.23 in)
1901	0.0 mm (0.00 in)
1902	0.0 mm (0.00 in)
1903	0.0 mm (0.00 in)
1904	0.0 mm (0.00 in)
1905	0.0 mm (0.00 in)
1906	0.0 mm (0.00 in)
1907	0.0 mm (0.00 in)
1908	0.0 mm (0.00 in)
1909	153.4 mm (6.0 in)
1910	120.5 mm (4.7 in)
1911	170.9 mm (6.7 in)
1912	74.2 mm (2.9 in)
1913	79.8 mm (3.1 in)
1914	65.3 mm (2.6 in)
1915	109.0 mm (4.3 in)
1916	121.7 mm (4.8 in)
1917	190.0 mm (7.5 in)
1918	114.3 mm (4.5 in)
1919	71.3 mm (2.8 in)
1920	106.4 mm (4.2 in)
1921	79.2 mm (3.1 in)
1922	301.5 mm (11.9 in)
1923	58.9 mm (2.3 in)
1924	159.0 mm (6.3 in)
1925	87.6 mm (3.4 in)
1926	0.0 mm (0.00 in)
1927	76.2 mm (3.0 in)
1928	82.3 mm (3.2 in)
1929	122.5 mm (4.8 in)
1930	0.0 mm (0.00 in)
1931	0.0 mm (0.00 in)
1932	23.3 mm (0.9 in)
1933	103.3 mm (4.1 in)
1934	89.9 mm (3.5 in)
1935	152.0 mm (6.0 in)
1936	324.4 mm (12.8 in)
1937	304.9 mm (12.0 in)
1938	149.7 mm (5.9 in)
1939	74.7 mm (2.9 in)
1940	169.9 mm (6.7 in)
1941	83.0 mm (3.3 in)
1942	96.5 mm (3.8 in)
1943	69.1 mm (2.7 in)
1944	76.5 mm (3.0 in)
1945	105.6 mm (4.2 in)
1946	133.7 mm (5.3 in)
1947	43.5 mm (1.7 in)
1948	62.7 mm (2.5 in)
1949	90.0 mm (3.5 in)
1950	161.8 mm (6.4 in)
1951	131.5 mm (5.2 in)
1952	59.0 mm (2.3 in)
1953	59.0 mm (2.3 in)
1954	128.3 mm (5.1 in)
1955	195.1 mm (7.7 in)
1956	101.6 mm (4.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hamilton Downs, 1891 to 1956. The record is 260 days in 1946, marked on the chart; the median year is 95 days.

Longest dry spell (CDD) at Hamilton Downs by year
Year	Longest dry spell (CDD)
1891	30 days
1892	122 days
1893	61 days
1894	31 days
1895	61 days
1896	61 days
1897	62 days
1898	61 days
1899	61 days
1900	83 days
1901	122 days
1902	214 days
1903	92 days
1904	92 days
1905	245 days
1906	153 days
1907	61 days
1908	61 days
1909	35 days
1910	44 days
1911	78 days
1912	120 days
1913	128 days
1914	105 days
1915	96 days
1916	51 days
1917	79 days
1918	171 days
1919	97 days
1920	51 days
1921	100 days
1922	119 days
1923	136 days
1924	121 days
1925	160 days
1926	92 days
1927	115 days
1928	110 days
1929	134 days
1930	92 days
1931	92 days
1932	157 days
1933	121 days
1934	78 days
1935	136 days
1936	67 days
1937	89 days
1938	130 days
1939	77 days
1940	232 days
1941	135 days
1942	100 days
1943	95 days
1944	92 days
1945	157 days
1946	260 days
1947	130 days
1948	142 days
1949	178 days
1950	62 days
1951	94 days
1952	163 days
1953	94 days
1954	52 days
1955	77 days
1956	45 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

38 years, 1911 to 1955

A day with at least 60.8 mm (2.4 in) of rain is expected about once in 2 years. A day with at least 320.2 mm (12.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Hamilton Downs: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	60.8 mm (2.4 in)
5 years	93.1 mm (3.7 in)
10 years	124.6 mm (4.9 in)
25 years	181.6 mm (7.1 in)
50 years	241.1 mm (9.5 in)	Longer than the 38 years of record
100 years	320.2 mm (12.6 in)	Longer than the 38 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 38 years of values from 1911 to 1955.

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: 293.4 mm (11.6 in) in 1936; 227.1 mm (8.9 in) in 1937; 155.4 mm (6.1 in) in 1911.

Download the Data

Data for Hamilton Downs standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hamilton Downs 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

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