Merino Weather Records (ASN00090057)

Record envelope, standing records and threshold days for Merino (ASN00090057), Australia, with 136 years of record.

Key Facts for Merino

Merino (ASN00090057) is a weather station in Australia at -37.72 latitude and 141.55 longitude, 83 m (272 ft) above sea level.
The station reports from 1886 to 2021, 136 years of record.
0 records set at Merino still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Merino set a daily record precipitation of 27.0 mm (1.1 in) on 22 December 2020.

About the Station

Location: Australia, -37.72 latitude, 141.55 longitude.
Elevation: 83 m (272 ft).
Period of record: 1886 to 2021, 136 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 Merino. 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 Merino, 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 Merino still stand.

Wettest Day of Each Month

Mar: 124.2 mm (4.9 in)

The wettest day on record for each calendar month at Merino. The most was 124.2 mm (4.9 in) on 7 March 1910.

Record daily precipitation for each month at Merino
Month	Record daily precipitation (mm)	Date
Jan	85.9 mm (3.4 in)	21 January 1928
Feb	73.4 mm (2.9 in)	18 February 1946
Mar	124.2 mm (4.9 in)	7 March 1910
Apr	62.0 mm (2.4 in)	6 April 1992
May	56.0 mm (2.2 in)	3 May 2014
Jun	51.6 mm (2.0 in)	22 June 1908
Jul	43.2 mm (1.7 in)	8 July 1910
Aug	43.7 mm (1.7 in)	20 August 1909
Sep	43.0 mm (1.7 in)	9 September 2016
Oct	56.0 mm (2.2 in)	8 October 2020
Nov	80.2 mm (3.2 in)	4 November 2007
Dec	74.6 mm (2.9 in)	13 December 2008

Latest Records

Latest records at Merino
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 December 2020	Merino, AU	daily rain	27.0 mm (1.1 in)	5.0 mm (0.20 in)	17 years	21 of 100 (Routine)
9 October 2020	Merino, AU	daily rain	35.0 mm (1.4 in)	2.8 mm (0.11 in)	28 years	22 of 100 (Routine)
8 October 2020	Merino, AU	monthly rain	56.0 mm (2.2 in)	11.0 mm (0.4 in)	111 years	68 of 100 (Major)
25 September 2020	Merino, AU	daily rain	22.0 mm (0.9 in)	2.7 mm (0.11 in)	104 years	20 of 100 (Routine)
12 September 2020	Merino, AU	daily rain	25.0 mm (1.0 in)	1.4 mm (0.06 in)	32 years	21 of 100 (Routine)
19 August 2020	Merino, AU	daily rain	25.0 mm (1.0 in)	5.0 mm (0.20 in)	9 years	21 of 100 (Routine)
17 June 2020	Merino, AU	daily rain	30.8 mm (1.2 in)	0.8 mm (0.03 in)	119 years	41 of 100 (Notable)
3 June 2020	Merino, AU	daily rain	26.0 mm (1.0 in)	4.2 mm (0.17 in)	104 years	46 of 100 (Notable)
2 February 2020	Merino, AU	daily rain	18.2 mm (0.7 in)	1.0 mm (0.04 in)	45 years	20 of 100 (Routine)
18 August 2018	Merino, AU	daily rain	17.8 mm (0.7 in)	0.6 mm (0.02 in)	33 years	20 of 100 (Routine)
1 December 2017	Merino, AU	daily rain	33.6 mm (1.3 in)	17.1 mm (0.7 in)	52 years	48 of 100 (Notable)
16 November 2017	Merino, AU	daily rain	37.0 mm (1.5 in)	16.2 mm (0.6 in)	86 years	59 of 100 (Notable)
28 July 2017	Merino, AU	daily rain	16.6 mm (0.7 in)	1.6 mm (0.06 in)	87 years	20 of 100 (Routine)
25 April 2017	Merino, AU	daily rain	27.0 mm (1.1 in)	4.6 mm (0.18 in)	114 years	47 of 100 (Notable)
21 April 2017	Merino, AU	daily rain	35.8 mm (1.4 in)	15.7 mm (0.6 in)	68 years	54 of 100 (Notable)
9 September 2016	Merino, AU	monthly rain	43.0 mm (1.7 in)	2.8 mm (0.11 in)	36 years	35 of 100 (Notable)
23 May 2016	Merino, AU	daily rain	16.6 mm (0.7 in)	0.1 mm (0.00 in)	75 years	20 of 100 (Routine)
18 March 2016	Merino, AU	daily rain	23.4 mm (0.9 in)	15.3 mm (0.6 in)	89 years	20 of 100 (Routine)
10 May 2015	Merino, AU	daily rain	23.4 mm (0.9 in)	0.3 mm (0.01 in)	80 years	20 of 100 (Routine)
13 January 2015	Merino, AU	daily rain	65.6 mm (2.6 in)	54.0 mm (2.1 in)	16 years	55 of 100 (Notable)

Extremes by Year

1886 to 2021

Yearly extremes at Merino: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	124.2 mm (4.9 in)	1910	35.8 mm (1.4 in)	131
Wettest five days (Rx5day)	137.8 mm (5.4 in)	1928	61.0 mm (2.4 in)	131
Longest dry spell (CDD)	49 days	1965	23 days	131

Wettest day (Rx1day)

The wettest day of the year at Merino, 1886 to 2021. The record is 124.2 mm (4.9 in) in 1910, marked on the chart; the median year is 35.8 mm (1.4 in).

Wettest day (Rx1day) at Merino by year
Year	Wettest day (Rx1day)
1886	37.3 mm (1.5 in)
1887	31.2 mm (1.2 in)
1888	27.9 mm (1.1 in)
1889	41.4 mm (1.6 in)
1890	29.5 mm (1.2 in)
1891	39.6 mm (1.6 in)
1892	22.6 mm (0.9 in)
1898	31.2 mm (1.2 in)
1899	34.8 mm (1.4 in)
1900	40.6 mm (1.6 in)
1901	30.0 mm (1.2 in)
1902	60.2 mm (2.4 in)
1903	38.4 mm (1.5 in)
1904	41.1 mm (1.6 in)
1905	38.1 mm (1.5 in)
1906	48.3 mm (1.9 in)
1907	35.8 mm (1.4 in)
1908	51.6 mm (2.0 in)
1909	43.7 mm (1.7 in)
1910	124.2 mm (4.9 in)
1911	39.1 mm (1.5 in)
1912	38.1 mm (1.5 in)
1913	36.1 mm (1.4 in)
1914	24.4 mm (1.0 in)
1915	47.8 mm (1.9 in)
1916	26.4 mm (1.0 in)
1917	23.6 mm (0.9 in)
1918	34.5 mm (1.4 in)
1919	35.1 mm (1.4 in)
1920	27.4 mm (1.1 in)
1921	26.7 mm (1.1 in)
1922	24.1 mm (0.9 in)
1923	40.6 mm (1.6 in)
1924	63.2 mm (2.5 in)
1925	47.8 mm (1.9 in)
1926	42.9 mm (1.7 in)
1927	30.2 mm (1.2 in)
1928	85.9 mm (3.4 in)
1929	38.6 mm (1.5 in)
1930	44.2 mm (1.7 in)
1931	27.7 mm (1.1 in)
1932	38.6 mm (1.5 in)
1933	48.0 mm (1.9 in)
1934	38.4 mm (1.5 in)
1935	48.5 mm (1.9 in)
1936	30.7 mm (1.2 in)
1937	33.0 mm (1.3 in)
1938	35.8 mm (1.4 in)
1939	43.4 mm (1.7 in)
1940	25.9 mm (1.0 in)
1941	43.7 mm (1.7 in)
1942	32.5 mm (1.3 in)
1943	42.7 mm (1.7 in)
1944	29.2 mm (1.1 in)
1945	54.9 mm (2.2 in)
1946	82.6 mm (3.3 in)
1947	34.3 mm (1.4 in)
1948	25.4 mm (1.0 in)
1949	43.2 mm (1.7 in)
1950	28.2 mm (1.1 in)
1951	32.5 mm (1.3 in)
1952	52.3 mm (2.1 in)
1953	34.8 mm (1.4 in)
1954	40.6 mm (1.6 in)
1955	21.8 mm (0.9 in)
1956	32.0 mm (1.3 in)
1957	58.4 mm (2.3 in)
1958	42.7 mm (1.7 in)
1959	14.2 mm (0.6 in)
1960	44.7 mm (1.8 in)
1961	30.5 mm (1.2 in)
1962	20.6 mm (0.8 in)
1963	36.1 mm (1.4 in)
1964	30.0 mm (1.2 in)
1965	23.1 mm (0.9 in)
1966	33.0 mm (1.3 in)
1967	19.1 mm (0.8 in)
1968	27.2 mm (1.1 in)
1969	46.5 mm (1.8 in)
1970	30.7 mm (1.2 in)
1971	35.6 mm (1.4 in)
1972	25.4 mm (1.0 in)
1973	42.4 mm (1.7 in)
1974	30.2 mm (1.2 in)
1975	33.6 mm (1.3 in)
1976	33.3 mm (1.3 in)
1977	66.8 mm (2.6 in)
1978	26.6 mm (1.0 in)
1979	40.2 mm (1.6 in)
1980	20.2 mm (0.8 in)
1981	28.8 mm (1.1 in)
1982	17.0 mm (0.7 in)
1983	61.0 mm (2.4 in)
1984	31.0 mm (1.2 in)
1985	38.8 mm (1.5 in)
1986	68.4 mm (2.7 in)
1987	49.8 mm (2.0 in)
1988	43.2 mm (1.7 in)
1989	35.8 mm (1.4 in)
1990	30.2 mm (1.2 in)
1991	56.2 mm (2.2 in)
1992	62.0 mm (2.4 in)
1993	35.2 mm (1.4 in)
1994	26.0 mm (1.0 in)
1995	31.0 mm (1.2 in)
1996	24.6 mm (1.0 in)
1997	43.8 mm (1.7 in)
1998	41.8 mm (1.6 in)
1999	19.8 mm (0.8 in)
2000	26.8 mm (1.1 in)
2001	29.4 mm (1.2 in)
2002	26.8 mm (1.1 in)
2003	59.0 mm (2.3 in)
2004	38.0 mm (1.5 in)
2005	21.4 mm (0.8 in)
2006	24.8 mm (1.0 in)
2007	84.6 mm (3.3 in)
2008	74.6 mm (2.9 in)
2009	35.0 mm (1.4 in)
2010	67.0 mm (2.6 in)
2011	55.6 mm (2.2 in)
2012	32.0 mm (1.3 in)
2013	28.0 mm (1.1 in)
2014	56.0 mm (2.2 in)
2015	65.6 mm (2.6 in)
2016	43.0 mm (1.7 in)
2017	37.0 mm (1.5 in)
2018	21.0 mm (0.8 in)
2019	25.0 mm (1.0 in)
2020	56.0 mm (2.2 in)
2021	12.4 mm (0.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Merino, 1886 to 2021. The record is 137.8 mm (5.4 in) in 1928, marked on the chart; the median year is 61.0 mm (2.4 in).

Wettest five days (Rx5day) at Merino by year
Year	Wettest five days (Rx5day)
1886	70.4 mm (2.8 in)
1887	75.4 mm (3.0 in)
1888	76.8 mm (3.0 in)
1889	64.5 mm (2.5 in)
1890	51.8 mm (2.0 in)
1891	82.3 mm (3.2 in)
1892	55.9 mm (2.2 in)
1898	68.8 mm (2.7 in)
1899	55.1 mm (2.2 in)
1900	75.0 mm (3.0 in)
1901	56.2 mm (2.2 in)
1902	60.2 mm (2.4 in)
1903	48.3 mm (1.9 in)
1904	42.9 mm (1.7 in)
1905	81.3 mm (3.2 in)
1906	68.6 mm (2.7 in)
1907	72.5 mm (2.9 in)
1908	95.8 mm (3.8 in)
1909	81.3 mm (3.2 in)
1910	132.1 mm (5.2 in)
1911	103.8 mm (4.1 in)
1912	63.1 mm (2.5 in)
1913	42.2 mm (1.7 in)
1914	44.7 mm (1.8 in)
1915	67.5 mm (2.7 in)
1916	58.1 mm (2.3 in)
1917	68.8 mm (2.7 in)
1918	62.0 mm (2.4 in)
1919	61.2 mm (2.4 in)
1920	66.8 mm (2.6 in)
1921	64.0 mm (2.5 in)
1922	53.8 mm (2.1 in)
1923	67.8 mm (2.7 in)
1924	112.5 mm (4.4 in)
1925	66.1 mm (2.6 in)
1926	76.5 mm (3.0 in)
1927	60.5 mm (2.4 in)
1928	137.8 mm (5.4 in)
1929	78.8 mm (3.1 in)
1930	68.0 mm (2.7 in)
1931	46.7 mm (1.8 in)
1932	50.2 mm (2.0 in)
1933	106.5 mm (4.2 in)
1934	82.5 mm (3.2 in)
1935	74.5 mm (2.9 in)
1936	61.1 mm (2.4 in)
1937	53.3 mm (2.1 in)
1938	49.2 mm (1.9 in)
1939	69.2 mm (2.7 in)
1940	40.0 mm (1.6 in)
1941	69.6 mm (2.7 in)
1942	66.7 mm (2.6 in)
1943	57.9 mm (2.3 in)
1944	50.1 mm (2.0 in)
1945	85.4 mm (3.4 in)
1946	93.3 mm (3.7 in)
1947	80.6 mm (3.2 in)
1948	42.7 mm (1.7 in)
1949	78.7 mm (3.1 in)
1950	44.8 mm (1.8 in)
1951	71.7 mm (2.8 in)
1952	68.4 mm (2.7 in)
1953	53.4 mm (2.1 in)
1954	48.2 mm (1.9 in)
1955	51.6 mm (2.0 in)
1956	65.0 mm (2.6 in)
1957	59.4 mm (2.3 in)
1958	61.0 mm (2.4 in)
1959	33.6 mm (1.3 in)
1960	48.0 mm (1.9 in)
1961	51.8 mm (2.0 in)
1962	53.1 mm (2.1 in)
1963	71.6 mm (2.8 in)
1964	64.8 mm (2.6 in)
1965	39.8 mm (1.6 in)
1966	75.1 mm (3.0 in)
1967	34.6 mm (1.4 in)
1968	59.8 mm (2.4 in)
1969	47.8 mm (1.9 in)
1970	60.0 mm (2.4 in)
1971	51.4 mm (2.0 in)
1972	55.1 mm (2.2 in)
1973	45.5 mm (1.8 in)
1974	31.8 mm (1.3 in)
1975	40.8 mm (1.6 in)
1976	48.6 mm (1.9 in)
1977	42.3 mm (1.7 in)
1978	54.6 mm (2.1 in)
1979	50.6 mm (2.0 in)
1980	23.4 mm (0.9 in)
1981	49.2 mm (1.9 in)
1982	24.8 mm (1.0 in)
1983	92.2 mm (3.6 in)
1984	64.0 mm (2.5 in)
1985	57.3 mm (2.3 in)
1986	90.0 mm (3.5 in)
1987	76.6 mm (3.0 in)
1988	71.4 mm (2.8 in)
1989	55.8 mm (2.2 in)
1990	46.8 mm (1.8 in)
1991	63.6 mm (2.5 in)
1992	67.4 mm (2.7 in)
1993	58.8 mm (2.3 in)
1994	51.4 mm (2.0 in)
1995	58.2 mm (2.3 in)
1996	67.2 mm (2.6 in)
1997	58.4 mm (2.3 in)
1998	50.0 mm (2.0 in)
1999	32.4 mm (1.3 in)
2000	44.4 mm (1.7 in)
2001	58.8 mm (2.3 in)
2002	35.6 mm (1.4 in)
2003	68.8 mm (2.7 in)
2004	82.0 mm (3.2 in)
2005	34.4 mm (1.4 in)
2006	34.2 mm (1.3 in)
2007	122.6 mm (4.8 in)
2008	85.6 mm (3.4 in)
2009	72.8 mm (2.9 in)
2010	120.4 mm (4.7 in)
2011	111.6 mm (4.4 in)
2012	52.4 mm (2.1 in)
2013	62.0 mm (2.4 in)
2014	99.8 mm (3.9 in)
2015	75.0 mm (3.0 in)
2016	54.2 mm (2.1 in)
2017	65.4 mm (2.6 in)
2018	56.2 mm (2.2 in)
2019	39.9 mm (1.6 in)
2020	91.0 mm (3.6 in)
2021	20.4 mm (0.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Merino, 1886 to 2021. The record is 49 days in 1965, marked on the chart; the median year is 23 days.

Longest dry spell (CDD) at Merino by year
Year	Longest dry spell (CDD)
1886	17 days
1887	28 days
1888	28 days
1889	22 days
1890	29 days
1891	20 days
1892	41 days
1898	12 days
1899	26 days
1900	14 days
1901	26 days
1902	27 days
1903	22 days
1904	33 days
1905	26 days
1906	31 days
1907	24 days
1908	14 days
1909	18 days
1910	27 days
1911	20 days
1912	32 days
1913	27 days
1914	41 days
1915	37 days
1916	45 days
1917	22 days
1918	32 days
1919	24 days
1920	20 days
1921	29 days
1922	28 days
1923	41 days
1924	23 days
1925	28 days
1926	21 days
1927	27 days
1928	25 days
1929	20 days
1930	40 days
1931	28 days
1932	23 days
1933	20 days
1934	27 days
1935	21 days
1936	33 days
1937	21 days
1938	18 days
1939	22 days
1940	24 days
1941	16 days
1942	20 days
1943	32 days
1944	13 days
1945	26 days
1946	15 days
1947	20 days
1948	26 days
1949	17 days
1950	25 days
1951	40 days
1952	16 days
1953	17 days
1954	25 days
1955	22 days
1956	25 days
1957	18 days
1958	19 days
1959	21 days
1960	20 days
1961	28 days
1962	23 days
1963	36 days
1964	21 days
1965	49 days
1966	15 days
1967	32 days
1968	20 days
1969	33 days
1970	33 days
1971	21 days
1972	33 days
1973	14 days
1974	46 days
1975	29 days
1976	14 days
1977	18 days
1978	23 days
1979	16 days
1980	25 days
1981	24 days
1982	20 days
1983	33 days
1984	32 days
1985	18 days
1986	43 days
1987	23 days
1988	22 days
1989	25 days
1990	16 days
1991	36 days
1992	23 days
1993	25 days
1994	34 days
1995	19 days
1996	35 days
1997	15 days
1998	21 days
1999	18 days
2000	21 days
2001	22 days
2002	19 days
2003	25 days
2004	22 days
2005	21 days
2006	19 days
2007	22 days
2008	24 days
2009	31 days
2010	14 days
2011	16 days
2012	20 days
2013	41 days
2014	18 days
2015	33 days
2016	23 days
2017	21 days
2018	16 days
2019	28 days
2020	33 days
2021	19 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

111 years, 1886 to 2020

A day with at least 36.0 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 94.4 mm (3.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Merino: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	36.0 mm (1.4 in)
5 years	48.8 mm (1.9 in)
10 years	58.3 mm (2.3 in)
25 years	71.6 mm (2.8 in)
50 years	82.6 mm (3.3 in)
100 years	94.4 mm (3.7 in)

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 111 years of values from 1886 to 2020.

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: 124.2 mm (4.9 in) in 1910; 85.9 mm (3.4 in) in 1928; 82.6 mm (3.3 in) in 1946.

Download the Data

Data for Merino standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Merino 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 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