Arno Bay Weather Records (ASN00018001)

Record envelope, standing records and threshold days for Arno Bay (ASN00018001), Australia, with 120 years of record.

Key Facts for Arno Bay

Arno Bay (ASN00018001) is a weather station in Australia at -33.91 latitude and 136.57 longitude, 9 m (30 ft) above sea level.
The station reports from 1907 to 2026, 120 years of record.
0 records set at Arno Bay still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Arno Bay set a daily record precipitation of 20.4 mm (0.8 in) on 25 August 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Australia, -33.91 latitude, 136.57 longitude.
Elevation: 9 m (30 ft).
Period of record: 1907 to 2026, 120 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 Arno Bay. 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 Arno Bay, 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 Arno Bay still stand.

All-Time Record Progression

1 new records

1 all-time records were set at Arno Bay between 18 February 1946 and 18 February 1946. Each dot is a new record.

Wettest Day of Each Month

Feb: 112.5 mm (4.4 in)

The wettest day on record for each calendar month at Arno Bay. The most was 112.5 mm (4.4 in) on 18 February 1946.

Record daily precipitation for each month at Arno Bay
Month	Record daily precipitation (mm)	Date
Jan	34.0 mm (1.3 in)	19 January 2017
Feb	112.5 mm (4.4 in)	18 February 1946
Mar	58.0 mm (2.3 in)	8 March 2011
Apr	40.2 mm (1.6 in)	6 April 1992
May	41.1 mm (1.6 in)	26 May 1910
Jun	46.0 mm (1.8 in)	16 June 1955
Jul	35.6 mm (1.4 in)	5 July 1940
Aug	23.4 mm (0.9 in)	19 August 1909
Sep	41.1 mm (1.6 in)	21 September 1916
Oct	38.9 mm (1.5 in)	19 October 1935
Nov	45.0 mm (1.8 in)	4 November 2015
Dec	81.3 mm (3.2 in)	19 December 1950

Latest Records

Latest records at Arno Bay
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 August 2026	Arno Bay, AU	daily rain (Provisional)	20.4 mm (0.8 in)	10.0 mm (0.4 in)	71 years	20 of 100 (Routine)
17 March 2026	Arno Bay, AU	daily rain	16.4 mm (0.6 in)	5.4 mm (0.21 in)	4 years	19 of 100 (Routine)
28 February 2026	Arno Bay, AU	daily rain	21.6 mm (0.9 in)	4.2 mm (0.17 in)	39 years	20 of 100 (Routine)
21 October 2025	Arno Bay, AU	daily rain	24.0 mm (0.9 in)	10.8 mm (0.4 in)	14 years	20 of 100 (Routine)
10 September 2025	Arno Bay, AU	daily rain	31.0 mm (1.2 in)	6.1 mm (0.24 in)	115 years	53 of 100 (Notable)
25 July 2025	Arno Bay, AU	daily rain	10.8 mm (0.4 in)	1.1 mm (0.04 in)	79 years	20 of 100 (Routine)
18 August 2023	Arno Bay, AU	daily rain	8.0 mm (0.31 in)	2.2 mm (0.09 in)	89 years	20 of 100 (Routine)
23 June 2023	Arno Bay, AU	daily rain	17.8 mm (0.7 in)	6.4 mm (0.25 in)	89 years	20 of 100 (Routine)
22 June 2023	Arno Bay, AU	daily rain	17.0 mm (0.7 in)	5.6 mm (0.22 in)	89 years	20 of 100 (Routine)
27 April 2023	Arno Bay, AU	daily rain	14.6 mm (0.6 in)	0.2 mm (0.01 in)	30 years	19 of 100 (Routine)
21 December 2022	Arno Bay, AU	daily rain	16.6 mm (0.7 in)	8.6 mm (0.34 in)	33 years	20 of 100 (Routine)
6 May 2022	Arno Bay, AU	daily rain	14.6 mm (0.6 in)	3.4 mm (0.13 in)	104 years	20 of 100 (Routine)
17 March 2022	Arno Bay, AU	daily rain	11.0 mm (0.4 in)	4.8 mm (0.19 in)	20 years	20 of 100 (Routine)
7 January 2022	Arno Bay, AU	daily rain	8.0 mm (0.31 in)	1.2 mm (0.05 in)	18 years	17 of 100 (Routine)
16 April 2021	Arno Bay, AU	daily rain	17.0 mm (0.7 in)	1.3 mm (0.05 in)	50 years	20 of 100 (Routine)
11 March 2021	Arno Bay, AU	daily rain	8.4 mm (0.33 in)	3.8 mm (0.15 in)	32 years	20 of 100 (Routine)
31 January 2020	Arno Bay, AU	daily rain	6.4 mm (0.25 in)	2.1 mm (0.08 in)	74 years	20 of 100 (Routine)
23 November 2017	Arno Bay, AU	daily rain	37.0 mm (1.5 in)	22.8 mm (0.9 in)	110 years	77 of 100 (Major)
3 August 2017	Arno Bay, AU	daily rain	12.6 mm (0.5 in)	2.9 mm (0.11 in)	82 years	20 of 100 (Routine)
29 June 2017	Arno Bay, AU	daily rain	21.0 mm (0.8 in)	11.3 mm (0.4 in)	44 years	20 of 100 (Routine)

Extremes by Year

1907 to 2026

Yearly extremes at Arno Bay: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	112.5 mm (4.4 in)	1946	24.8 mm (1.0 in)	120
Wettest five days (Rx5day)	145.9 mm (5.7 in)	1946	34.2 mm (1.3 in)	120
Longest dry spell (CDD)	72 days	1991	38 days	120

Wettest day (Rx1day)

The wettest day of the year at Arno Bay, 1907 to 2026. The record is 112.5 mm (4.4 in) in 1946, marked on the chart; the median year is 24.8 mm (1.0 in).

Wettest day (Rx1day) at Arno Bay by year
Year	Wettest day (Rx1day)
1907	24.4 mm (1.0 in)
1908	32.5 mm (1.3 in)
1909	23.4 mm (0.9 in)
1910	41.1 mm (1.6 in)
1911	24.9 mm (1.0 in)
1912	39.4 mm (1.6 in)
1913	25.4 mm (1.0 in)
1914	19.8 mm (0.8 in)
1915	11.2 mm (0.4 in)
1916	41.1 mm (1.6 in)
1917	24.6 mm (1.0 in)
1918	26.2 mm (1.0 in)
1919	30.5 mm (1.2 in)
1920	24.6 mm (1.0 in)
1921	36.6 mm (1.4 in)
1922	19.1 mm (0.8 in)
1923	22.9 mm (0.9 in)
1924	12.2 mm (0.5 in)
1925	33.5 mm (1.3 in)
1926	22.6 mm (0.9 in)
1927	24.9 mm (1.0 in)
1928	22.1 mm (0.9 in)
1929	57.2 mm (2.3 in)
1930	16.8 mm (0.7 in)
1931	21.1 mm (0.8 in)
1932	39.6 mm (1.6 in)
1933	18.5 mm (0.7 in)
1934	22.9 mm (0.9 in)
1935	38.9 mm (1.5 in)
1936	15.5 mm (0.6 in)
1937	21.6 mm (0.9 in)
1938	45.7 mm (1.8 in)
1939	33.0 mm (1.3 in)
1940	35.6 mm (1.4 in)
1941	19.6 mm (0.8 in)
1942	22.9 mm (0.9 in)
1943	19.1 mm (0.8 in)
1944	29.5 mm (1.2 in)
1945	35.1 mm (1.4 in)
1946	112.5 mm (4.4 in)
1947	54.6 mm (2.1 in)
1948	13.2 mm (0.5 in)
1949	38.1 mm (1.5 in)
1950	81.3 mm (3.2 in)
1951	20.6 mm (0.8 in)
1952	24.6 mm (1.0 in)
1953	20.3 mm (0.8 in)
1954	26.7 mm (1.1 in)
1955	46.0 mm (1.8 in)
1956	23.1 mm (0.9 in)
1957	9.1 mm (0.36 in)
1958	22.1 mm (0.9 in)
1959	14.0 mm (0.6 in)
1960	18.5 mm (0.7 in)
1961	26.9 mm (1.1 in)
1962	30.5 mm (1.2 in)
1963	33.5 mm (1.3 in)
1964	39.4 mm (1.6 in)
1965	10.7 mm (0.4 in)
1966	34.0 mm (1.3 in)
1967	24.9 mm (1.0 in)
1968	32.0 mm (1.3 in)
1969	61.0 mm (2.4 in)
1970	20.1 mm (0.8 in)
1971	18.5 mm (0.7 in)
1972	23.4 mm (0.9 in)
1973	27.7 mm (1.1 in)
1974	31.4 mm (1.2 in)
1975	21.0 mm (0.8 in)
1976	25.0 mm (1.0 in)
1977	24.4 mm (1.0 in)
1978	26.0 mm (1.0 in)
1979	34.6 mm (1.4 in)
1980	21.8 mm (0.9 in)
1981	23.8 mm (0.9 in)
1982	16.2 mm (0.6 in)
1983	34.0 mm (1.3 in)
1984	23.0 mm (0.9 in)
1985	21.6 mm (0.9 in)
1986	21.4 mm (0.8 in)
1987	17.4 mm (0.7 in)
1988	14.2 mm (0.6 in)
1989	31.4 mm (1.2 in)
1990	32.0 mm (1.3 in)
1991	28.8 mm (1.1 in)
1992	40.2 mm (1.6 in)
1993	25.2 mm (1.0 in)
1994	28.0 mm (1.1 in)
1995	23.2 mm (0.9 in)
1996	15.8 mm (0.6 in)
1997	52.0 mm (2.0 in)
1998	20.4 mm (0.8 in)
1999	34.8 mm (1.4 in)
2000	16.6 mm (0.7 in)
2001	17.6 mm (0.7 in)
2002	41.6 mm (1.6 in)
2003	20.2 mm (0.8 in)
2004	8.2 mm (0.32 in)
2005	31.6 mm (1.2 in)
2006	38.4 mm (1.5 in)
2007	28.4 mm (1.1 in)
2008	18.6 mm (0.7 in)
2009	34.0 mm (1.3 in)
2010	39.0 mm (1.5 in)
2011	58.0 mm (2.3 in)
2012	30.6 mm (1.2 in)
2013	25.6 mm (1.0 in)
2014	20.2 mm (0.8 in)
2015	45.0 mm (1.8 in)
2016	32.0 mm (1.3 in)
2017	37.0 mm (1.5 in)
2018	10.6 mm (0.4 in)
2019	15.6 mm (0.6 in)
2020	18.0 mm (0.7 in)
2021	21.0 mm (0.8 in)
2022	16.6 mm (0.7 in)
2023	17.8 mm (0.7 in)
2024	17.0 mm (0.7 in)
2025	31.0 mm (1.2 in)
2026	21.6 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Arno Bay, 1907 to 2026. The record is 145.9 mm (5.7 in) in 1946, marked on the chart; the median year is 34.2 mm (1.3 in).

Wettest five days (Rx5day) at Arno Bay by year
Year	Wettest five days (Rx5day)
1907	32.2 mm (1.3 in)
1908	56.7 mm (2.2 in)
1909	29.2 mm (1.1 in)
1910	77.0 mm (3.0 in)
1911	31.0 mm (1.2 in)
1912	39.4 mm (1.6 in)
1913	33.1 mm (1.3 in)
1914	39.4 mm (1.6 in)
1915	38.0 mm (1.5 in)
1916	69.3 mm (2.7 in)
1917	35.1 mm (1.4 in)
1918	29.2 mm (1.1 in)
1919	45.8 mm (1.8 in)
1920	28.9 mm (1.1 in)
1921	49.8 mm (2.0 in)
1922	24.7 mm (1.0 in)
1923	46.3 mm (1.8 in)
1924	16.3 mm (0.6 in)
1925	35.2 mm (1.4 in)
1926	43.5 mm (1.7 in)
1927	34.1 mm (1.3 in)
1928	24.7 mm (1.0 in)
1929	62.5 mm (2.5 in)
1930	36.3 mm (1.4 in)
1931	32.8 mm (1.3 in)
1932	45.8 mm (1.8 in)
1933	31.7 mm (1.2 in)
1934	40.6 mm (1.6 in)
1935	75.5 mm (3.0 in)
1936	21.4 mm (0.8 in)
1937	45.3 mm (1.8 in)
1938	61.0 mm (2.4 in)
1939	62.0 mm (2.4 in)
1940	44.0 mm (1.7 in)
1941	40.7 mm (1.6 in)
1942	33.4 mm (1.3 in)
1943	27.0 mm (1.1 in)
1944	30.8 mm (1.2 in)
1945	56.0 mm (2.2 in)
1946	145.9 mm (5.7 in)
1947	57.4 mm (2.3 in)
1948	27.7 mm (1.1 in)
1949	64.2 mm (2.5 in)
1950	107.6 mm (4.2 in)
1951	28.9 mm (1.1 in)
1952	37.2 mm (1.5 in)
1953	38.7 mm (1.5 in)
1954	30.4 mm (1.2 in)
1955	73.0 mm (2.9 in)
1956	27.7 mm (1.1 in)
1957	15.7 mm (0.6 in)
1958	40.7 mm (1.6 in)
1959	19.3 mm (0.8 in)
1960	40.2 mm (1.6 in)
1961	28.7 mm (1.1 in)
1962	37.1 mm (1.5 in)
1963	64.3 mm (2.5 in)
1964	51.3 mm (2.0 in)
1965	15.2 mm (0.6 in)
1966	92.6 mm (3.6 in)
1967	32.5 mm (1.3 in)
1968	43.0 mm (1.7 in)
1969	76.3 mm (3.0 in)
1970	22.9 mm (0.9 in)
1971	30.0 mm (1.2 in)
1972	55.9 mm (2.2 in)
1973	35.3 mm (1.4 in)
1974	74.2 mm (2.9 in)
1975	32.0 mm (1.3 in)
1976	28.8 mm (1.1 in)
1977	40.0 mm (1.6 in)
1978	75.0 mm (3.0 in)
1979	54.6 mm (2.1 in)
1980	34.2 mm (1.3 in)
1981	32.2 mm (1.3 in)
1982	16.2 mm (0.6 in)
1983	56.2 mm (2.2 in)
1984	23.8 mm (0.9 in)
1985	28.0 mm (1.1 in)
1986	43.8 mm (1.7 in)
1987	17.4 mm (0.7 in)
1988	15.8 mm (0.6 in)
1989	51.2 mm (2.0 in)
1990	58.4 mm (2.3 in)
1991	33.0 mm (1.3 in)
1992	44.0 mm (1.7 in)
1993	38.2 mm (1.5 in)
1994	29.6 mm (1.2 in)
1995	31.8 mm (1.3 in)
1996	23.4 mm (0.9 in)
1997	52.0 mm (2.0 in)
1998	31.8 mm (1.3 in)
1999	34.8 mm (1.4 in)
2000	26.0 mm (1.0 in)
2001	23.6 mm (0.9 in)
2002	42.0 mm (1.7 in)
2003	28.6 mm (1.1 in)
2004	10.0 mm (0.4 in)
2005	34.2 mm (1.3 in)
2006	44.8 mm (1.8 in)
2007	31.6 mm (1.2 in)
2008	19.2 mm (0.8 in)
2009	42.2 mm (1.7 in)
2010	32.6 mm (1.3 in)
2011	60.2 mm (2.4 in)
2012	15.4 mm (0.6 in)
2013	25.8 mm (1.0 in)
2014	21.8 mm (0.9 in)
2015	48.2 mm (1.9 in)
2016	32.0 mm (1.3 in)
2017	37.0 mm (1.5 in)
2018	13.8 mm (0.5 in)
2019	10.4 mm (0.4 in)
2020	20.6 mm (0.8 in)
2021	28.6 mm (1.1 in)
2022	18.4 mm (0.7 in)
2023	24.8 mm (1.0 in)
2024	27.4 mm (1.1 in)
2025	37.4 mm (1.5 in)
2026	21.6 mm (0.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Arno Bay, 1907 to 2026. The record is 72 days in 1991, marked on the chart; the median year is 38 days.

Longest dry spell (CDD) at Arno Bay by year
Year	Longest dry spell (CDD)
1907	33 days
1908	55 days
1909	58 days
1910	63 days
1911	52 days
1912	53 days
1913	43 days
1914	39 days
1915	55 days
1916	32 days
1917	20 days
1918	29 days
1919	43 days
1920	43 days
1921	45 days
1922	44 days
1923	53 days
1924	32 days
1925	43 days
1926	53 days
1927	24 days
1928	35 days
1929	29 days
1930	42 days
1931	32 days
1932	47 days
1933	39 days
1934	40 days
1935	66 days
1936	48 days
1937	48 days
1938	47 days
1939	42 days
1940	32 days
1941	28 days
1942	25 days
1943	44 days
1944	35 days
1945	35 days
1946	21 days
1947	23 days
1948	36 days
1949	51 days
1950	42 days
1951	42 days
1952	22 days
1953	41 days
1954	62 days
1955	35 days
1956	25 days
1957	41 days
1958	30 days
1959	38 days
1960	43 days
1961	38 days
1962	32 days
1963	54 days
1964	64 days
1965	70 days
1966	30 days
1967	69 days
1968	27 days
1969	36 days
1970	51 days
1971	39 days
1972	51 days
1973	26 days
1974	27 days
1975	27 days
1976	45 days
1977	29 days
1978	61 days
1979	33 days
1980	50 days
1981	42 days
1982	59 days
1983	24 days
1984	33 days
1985	38 days
1986	56 days
1987	27 days
1988	33 days
1989	67 days
1990	27 days
1991	72 days
1992	26 days
1993	34 days
1994	45 days
1995	34 days
1996	33 days
1997	41 days
1998	30 days
1999	34 days
2000	52 days
2001	29 days
2002	37 days
2003	29 days
2004	34 days
2005	39 days
2006	63 days
2007	30 days
2008	34 days
2009	52 days
2010	24 days
2011	25 days
2012	31 days
2013	23 days
2014	19 days
2015	31 days
2016	28 days
2017	21 days
2018	30 days
2019	39 days
2020	25 days
2021	21 days
2022	21 days
2023	29 days
2024	44 days
2025	67 days
2026	44 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

91 years, 1908 to 2014

A day with at least 25.3 mm (1.0 in) of rain is expected about once in 2 years. A day with at least 81.8 mm (3.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Arno Bay: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	25.3 mm (1.0 in)
5 years	35.7 mm (1.4 in)
10 years	44.2 mm (1.7 in)
25 years	57.1 mm (2.2 in)
50 years	68.6 mm (2.7 in)
100 years	81.8 mm (3.2 in)	Longer than the 91 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, 91 years of values from 1908 to 2014.

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: 112.5 mm (4.4 in) in 1946; 81.3 mm (3.2 in) in 1950; 61.0 mm (2.4 in) in 1969.

Download the Data

Data for Arno Bay standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Arno Bay 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). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

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