Maldon (Derby Hill) Weather Records (ASN00088041)

Record envelope, standing records and threshold days for Maldon (Derby Hill) (ASN00088041), Australia, with 130 years of record.

Key Facts for Maldon (Derby Hill)

Maldon (Derby Hill) (ASN00088041) is a weather station in Australia at -37.00 latitude and 144.07 longitude, 320 m (1,050 ft) above sea level.
The station reports from 1878 to 2007, 130 years of record.
1,454 records set at Maldon (Derby Hill) still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Maldon (Derby Hill) set a daily record precipitation of 34.8 mm (1.4 in) on 21 January 2007.

About the Station

Location: Australia, -37.00 latitude, 144.07 longitude.
Elevation: 320 m (1,050 ft).
Period of record: 1878 to 2007, 130 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 Maldon (Derby Hill). 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 Maldon (Derby Hill), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	43.7 C (110.7 F)	4.8 C (40.6 F)	n/a	n/a
Feb	41.9 C (107.4 F)	4.7 C (40.5 F)	n/a	n/a
Mar	38.1 C (100.6 F)	3.3 C (37.9 F)	n/a	n/a
Apr	31.4 C (88.5 F)	1.1 C (34.0 F)	n/a	n/a
May	25.0 C (77.0 F)	-0.6 C (30.9 F)	n/a	n/a
Jun	18.9 C (66.0 F)	-2.8 C (27.0 F)	n/a	n/a
Jul	20.5 C (68.9 F)	-2.2 C (28.0 F)	n/a	n/a
Aug	20.0 C (68.0 F)	-2.0 C (28.4 F)	n/a	n/a
Sep	26.7 C (80.1 F)	-0.8 C (30.6 F)	n/a	n/a
Oct	33.3 C (91.9 F)	-0.8 C (30.6 F)	n/a	n/a
Nov	37.2 C (99.0 F)	-2.8 C (27.0 F)	n/a	n/a
Dec	39.1 C (102.4 F)	4.1 C (39.4 F)	n/a	n/a

Which Years Hold Standing Records

1,454 standing records

1,454 records at Maldon (Derby Hill) still stand. 1967 holds the most, with 159.

Wettest Day of Each Month

Jan: 106.9 mm (4.2 in)

The wettest day on record for each calendar month at Maldon (Derby Hill). The most was 106.9 mm (4.2 in) on 2 January 1889.

Record daily precipitation for each month at Maldon (Derby Hill)
Month	Record daily precipitation (mm)	Date
Jan	106.9 mm (4.2 in)	2 January 1889
Feb	85.1 mm (3.4 in)	20 February 1922
Mar	79.0 mm (3.1 in)	27 March 1924
Apr	66.3 mm (2.6 in)	23 April 1882
May	48.4 mm (1.9 in)	15 May 1974
Jun	53.8 mm (2.1 in)	13 June 1889
Jul	54.6 mm (2.1 in)	11 July 1933
Aug	64.0 mm (2.5 in)	20 August 1909
Sep	63.5 mm (2.5 in)	23 September 1916
Oct	54.2 mm (2.1 in)	8 October 1979
Nov	73.7 mm (2.9 in)	5 November 1887
Dec	58.9 mm (2.3 in)	12 December 1954

Period of Record Coverage

1965 to 1975

11 years of record at Maldon (Derby Hill), 1965 to 1975. 11 years have data for under 90 percent of days and are left out of rankings: 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972 and others.

Days with data per year at Maldon (Derby Hill)
Year	Days with data	Share of year	Complete
1965	298	82%	No
1966	303	83%	No
1967	300	82%	No
1968	308	84%	No
1969	304	83%	No
1970	302	83%	No
1971	305	84%	No
1972	278	76%	No
1973	305	84%	No
1974	258	71%	No
1975	181	50%	No

Latest Records

Latest records at Maldon (Derby Hill)
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 2007	Maldon (Derby Hill), AU	daily rain	34.8 mm (1.4 in)	2.3 mm (0.09 in)	122 years	41 of 100 (Notable)
3 February 2005	Maldon (Derby Hill), AU	daily rain	33.4 mm (1.3 in)	29.1 mm (1.1 in)	36 years	40 of 100 (Notable)
13 August 2003	Maldon (Derby Hill), AU	daily rain	18.0 mm (0.7 in)	5.3 mm (0.21 in)	60 years	20 of 100 (Routine)
24 July 2003	Maldon (Derby Hill), AU	daily rain	33.0 mm (1.3 in)	5.3 mm (0.21 in)	40 years	31 of 100 (Routine)
4 April 1989	Maldon (Derby Hill), AU	daily rain	38.0 mm (1.5 in)	2.7 mm (0.11 in)	39 years	24 of 100 (Routine)
1 April 1989	Maldon (Derby Hill), AU	daily rain	30.2 mm (1.2 in)	17.8 mm (0.7 in)	15 years	34 of 100 (Routine)
21 March 1989	Maldon (Derby Hill), AU	daily rain	77.8 mm (3.1 in)	41.2 mm (1.6 in)	44 years	62 of 100 (Major)
18 December 1988	Maldon (Derby Hill), AU	daily rain	20.0 mm (0.8 in)	0.2 mm (0.01 in)	100 years	20 of 100 (Routine)
11 September 1988	Maldon (Derby Hill), AU	daily rain	37.0 mm (1.5 in)	5.0 mm (0.20 in)	24 years	24 of 100 (Routine)
5 May 1988	Maldon (Derby Hill), AU	daily rain	30.4 mm (1.2 in)	10.3 mm (0.4 in)	22 years	29 of 100 (Routine)
1 January 1988	Maldon (Derby Hill), AU	daily rain	42.0 mm (1.7 in)	26.5 mm (1.0 in)	98 years	60 of 100 (Major)
2 December 1987	Maldon (Derby Hill), AU	daily rain	32.6 mm (1.3 in)	9.0 mm (0.35 in)	21 years	26 of 100 (Routine)
23 March 1982	Maldon (Derby Hill), AU	daily rain	17.0 mm (0.7 in)	3.0 mm (0.12 in)	19 years	17 of 100 (Routine)
26 January 1982	Maldon (Derby Hill), AU	daily rain	10.6 mm (0.4 in)	2.2 mm (0.09 in)	95 years	20 of 100 (Routine)
5 October 1981	Maldon (Derby Hill), AU	daily rain	28.0 mm (1.1 in)	1.8 mm (0.07 in)	64 years	31 of 100 (Routine)
4 August 1981	Maldon (Derby Hill), AU	daily rain	29.4 mm (1.2 in)	7.8 mm (0.31 in)	31 years	31 of 100 (Routine)
31 July 1981	Maldon (Derby Hill), AU	daily rain	26.5 mm (1.0 in)	7.2 mm (0.28 in)	55 years	38 of 100 (Notable)
30 June 1980	Maldon (Derby Hill), AU	daily rain	26.0 mm (1.0 in)	7.7 mm (0.30 in)	34 years	31 of 100 (Routine)
12 October 1979	Maldon (Derby Hill), AU	daily rain	24.3 mm (1.0 in)	0.7 mm (0.03 in)	76 years	20 of 100 (Routine)
8 October 1979	Maldon (Derby Hill), AU	monthly rain	54.2 mm (2.1 in)	0.9 mm (0.04 in)	49 years	35 of 100 (Notable)

Extremes by Year

1878 to 2007

Yearly extremes at Maldon (Derby Hill): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.7 C (110.7 F)	1968	38.5 C (101.3 F)	11
Coldest night (TNn)	-2.8 C (27.0 F)	1967	-1.6 C (29.1 F)	11
Wettest day (Rx1day)	106.9 mm (4.2 in)	1889	41.7 mm (1.6 in)	114
Wettest five days (Rx5day)	170.9 mm (6.7 in)	1889	64.7 mm (2.5 in)	114
Longest dry spell (CDD)	73 days	1882	29 days	114

Hottest day (TXx)

The hottest day of the year at Maldon (Derby Hill), 1878 to 2007. The record is 43.7 C (110.7 F) in 1968, marked on the chart; the median year is 38.5 C (101.3 F).

Hottest day (TXx) at Maldon (Derby Hill) by year
Year	Hottest day (TXx)
1878	n/a
1879	n/a
1880	n/a
1881	n/a
1882	n/a
1883	n/a
1884	n/a
1885	n/a
1886	n/a
1887	n/a
1888	n/a
1889	n/a
1890	n/a
1891	n/a
1892	n/a
1893	n/a
1894	n/a
1895	n/a
1896	n/a
1897	n/a
1898	n/a
1899	n/a
1900	n/a
1901	n/a
1902	n/a
1903	n/a
1904	n/a
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	40.0 C (104.0 F)
1966	37.5 C (99.5 F)
1967	39.5 C (103.1 F)
1968	43.7 C (110.7 F)
1969	38.3 C (100.9 F)
1970	37.8 C (100.0 F)
1971	39.4 C (102.9 F)
1972	39.1 C (102.4 F)
1973	38.5 C (101.3 F)
1974	35.5 C (95.9 F)
1975	37.5 C (99.5 F)
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1987	n/a
1988	n/a
1989	n/a
1991	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a

Coldest night (TNn)

The coldest night of the year at Maldon (Derby Hill), 1878 to 2007. The record is -2.8 C (27.0 F) in 1967, marked on the chart; the median year is -1.6 C (29.1 F).

Coldest night (TNn) at Maldon (Derby Hill) by year
Year	Coldest night (TNn)
1878	n/a
1879	n/a
1880	n/a
1881	n/a
1882	n/a
1883	n/a
1884	n/a
1885	n/a
1886	n/a
1887	n/a
1888	n/a
1889	n/a
1890	n/a
1891	n/a
1892	n/a
1893	n/a
1894	n/a
1895	n/a
1896	n/a
1897	n/a
1898	n/a
1899	n/a
1900	n/a
1901	n/a
1902	n/a
1903	n/a
1904	n/a
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	-2.2 C (28.0 F)
1966	-2.2 C (28.0 F)
1967	-2.8 C (27.0 F)
1968	-0.6 C (30.9 F)
1969	-2.8 C (27.0 F)
1970	-0.6 C (30.9 F)
1971	-2.2 C (28.0 F)
1972	-1.6 C (29.1 F)
1973	-1.5 C (29.3 F)
1974	-1.5 C (29.3 F)
1975	-0.5 C (31.1 F)
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1987	n/a
1988	n/a
1989	n/a
1991	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a

Wettest day (Rx1day)

The wettest day of the year at Maldon (Derby Hill), 1878 to 2007. The record is 106.9 mm (4.2 in) in 1889, marked on the chart; the median year is 41.7 mm (1.6 in).

Wettest day (Rx1day) at Maldon (Derby Hill) by year
Year	Wettest day (Rx1day)
1878	25.7 mm (1.0 in)
1879	40.4 mm (1.6 in)
1880	62.0 mm (2.4 in)
1881	26.2 mm (1.0 in)
1882	66.3 mm (2.6 in)
1883	67.1 mm (2.6 in)
1884	41.4 mm (1.6 in)
1885	47.5 mm (1.9 in)
1886	99.1 mm (3.9 in)
1887	73.7 mm (2.9 in)
1888	25.4 mm (1.0 in)
1889	106.9 mm (4.2 in)
1890	57.2 mm (2.3 in)
1891	41.1 mm (1.6 in)
1892	44.2 mm (1.7 in)
1893	37.3 mm (1.5 in)
1894	31.0 mm (1.2 in)
1895	72.6 mm (2.9 in)
1896	53.3 mm (2.1 in)
1897	87.1 mm (3.4 in)
1898	47.5 mm (1.9 in)
1899	45.5 mm (1.8 in)
1900	36.3 mm (1.4 in)
1901	27.2 mm (1.1 in)
1902	26.2 mm (1.0 in)
1903	55.9 mm (2.2 in)
1904	37.6 mm (1.5 in)
1905	20.8 mm (0.8 in)
1906	62.2 mm (2.4 in)
1907	52.6 mm (2.1 in)
1908	50.8 mm (2.0 in)
1909	64.0 mm (2.5 in)
1910	60.5 mm (2.4 in)
1911	75.2 mm (3.0 in)
1912	29.7 mm (1.2 in)
1913	45.7 mm (1.8 in)
1914	26.9 mm (1.1 in)
1915	35.8 mm (1.4 in)
1916	63.5 mm (2.5 in)
1917	51.1 mm (2.0 in)
1918	41.9 mm (1.6 in)
1919	80.0 mm (3.1 in)
1920	49.0 mm (1.9 in)
1921	38.1 mm (1.5 in)
1922	85.1 mm (3.4 in)
1923	46.2 mm (1.8 in)
1924	79.0 mm (3.1 in)
1925	23.1 mm (0.9 in)
1926	25.1 mm (1.0 in)
1927	21.6 mm (0.9 in)
1928	51.3 mm (2.0 in)
1929	47.0 mm (1.9 in)
1930	53.3 mm (2.1 in)
1931	51.8 mm (2.0 in)
1932	52.3 mm (2.1 in)
1933	56.1 mm (2.2 in)
1934	38.1 mm (1.5 in)
1935	29.2 mm (1.1 in)
1936	42.2 mm (1.7 in)
1937	40.1 mm (1.6 in)
1938	32.5 mm (1.3 in)
1939	58.4 mm (2.3 in)
1940	23.6 mm (0.9 in)
1941	43.2 mm (1.7 in)
1942	48.0 mm (1.9 in)
1943	37.6 mm (1.5 in)
1944	36.6 mm (1.4 in)
1945	25.9 mm (1.0 in)
1946	63.8 mm (2.5 in)
1947	54.4 mm (2.1 in)
1948	37.8 mm (1.5 in)
1949	58.9 mm (2.3 in)
1950	40.4 mm (1.6 in)
1951	54.6 mm (2.1 in)
1952	24.4 mm (1.0 in)
1953	40.4 mm (1.6 in)
1954	58.9 mm (2.3 in)
1955	32.8 mm (1.3 in)
1956	36.1 mm (1.4 in)
1957	28.2 mm (1.1 in)
1958	38.6 mm (1.5 in)
1959	28.7 mm (1.1 in)
1960	37.1 mm (1.5 in)
1961	41.4 mm (1.6 in)
1962	32.3 mm (1.3 in)
1963	24.9 mm (1.0 in)
1964	32.0 mm (1.3 in)
1965	25.4 mm (1.0 in)
1966	44.5 mm (1.8 in)
1967	21.3 mm (0.8 in)
1968	36.1 mm (1.4 in)
1969	35.8 mm (1.4 in)
1970	45.7 mm (1.8 in)
1971	24.9 mm (1.0 in)
1972	62.5 mm (2.5 in)
1973	83.8 mm (3.3 in)
1974	48.4 mm (1.9 in)
1975	50.6 mm (2.0 in)
1976	52.4 mm (2.1 in)
1977	41.0 mm (1.6 in)
1978	57.0 mm (2.2 in)
1979	54.2 mm (2.1 in)
1980	47.0 mm (1.9 in)
1981	30.2 mm (1.2 in)
1982	21.8 mm (0.9 in)
1987	32.6 mm (1.3 in)
1988	42.0 mm (1.7 in)
1989	77.8 mm (3.1 in)
1991	25.2 mm (1.0 in)
2003	35.0 mm (1.4 in)
2004	12.5 mm (0.5 in)
2005	33.4 mm (1.3 in)
2006	8.8 mm (0.35 in)
2007	34.8 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Maldon (Derby Hill), 1878 to 2007. The record is 170.9 mm (6.7 in) in 1889, marked on the chart; the median year is 64.7 mm (2.5 in).

Wettest five days (Rx5day) at Maldon (Derby Hill) by year
Year	Wettest five days (Rx5day)
1878	50.0 mm (2.0 in)
1879	50.4 mm (2.0 in)
1880	129.4 mm (5.1 in)
1881	72.9 mm (2.9 in)
1882	87.7 mm (3.5 in)
1883	83.9 mm (3.3 in)
1884	73.8 mm (2.9 in)
1885	98.8 mm (3.9 in)
1886	122.5 mm (4.8 in)
1887	86.7 mm (3.4 in)
1888	63.0 mm (2.5 in)
1889	170.9 mm (6.7 in)
1890	57.2 mm (2.3 in)
1891	46.9 mm (1.8 in)
1892	57.7 mm (2.3 in)
1893	68.1 mm (2.7 in)
1894	80.3 mm (3.2 in)
1895	72.6 mm (2.9 in)
1896	59.5 mm (2.3 in)
1897	87.1 mm (3.4 in)
1898	67.9 mm (2.7 in)
1899	108.5 mm (4.3 in)
1900	49.5 mm (1.9 in)
1901	45.0 mm (1.8 in)
1902	60.4 mm (2.4 in)
1903	115.9 mm (4.6 in)
1904	62.5 mm (2.5 in)
1905	40.4 mm (1.6 in)
1906	71.4 mm (2.8 in)
1907	83.0 mm (3.3 in)
1908	60.4 mm (2.4 in)
1909	95.5 mm (3.8 in)
1910	76.7 mm (3.0 in)
1911	146.3 mm (5.8 in)
1912	66.8 mm (2.6 in)
1913	69.1 mm (2.7 in)
1914	35.1 mm (1.4 in)
1915	54.5 mm (2.1 in)
1916	129.6 mm (5.1 in)
1917	85.1 mm (3.4 in)
1918	108.2 mm (4.3 in)
1919	84.6 mm (3.3 in)
1920	79.5 mm (3.1 in)
1921	58.6 mm (2.3 in)
1922	91.5 mm (3.6 in)
1923	61.8 mm (2.4 in)
1924	107.2 mm (4.2 in)
1925	44.5 mm (1.8 in)
1926	37.4 mm (1.5 in)
1927	44.1 mm (1.7 in)
1928	109.4 mm (4.3 in)
1929	71.8 mm (2.8 in)
1930	75.2 mm (3.0 in)
1931	66.5 mm (2.6 in)
1932	61.2 mm (2.4 in)
1933	119.6 mm (4.7 in)
1934	88.6 mm (3.5 in)
1935	46.6 mm (1.8 in)
1936	62.3 mm (2.5 in)
1937	59.9 mm (2.4 in)
1938	36.3 mm (1.4 in)
1939	89.4 mm (3.5 in)
1940	25.2 mm (1.0 in)
1941	58.2 mm (2.3 in)
1942	61.2 mm (2.4 in)
1943	37.6 mm (1.5 in)
1944	38.4 mm (1.5 in)
1945	73.7 mm (2.9 in)
1946	68.9 mm (2.7 in)
1947	72.2 mm (2.8 in)
1948	44.9 mm (1.8 in)
1949	72.2 mm (2.8 in)
1950	66.0 mm (2.6 in)
1951	90.1 mm (3.5 in)
1952	43.4 mm (1.7 in)
1953	48.8 mm (1.9 in)
1954	78.0 mm (3.1 in)
1955	55.6 mm (2.2 in)
1956	63.2 mm (2.5 in)
1957	51.1 mm (2.0 in)
1958	51.1 mm (2.0 in)
1959	50.5 mm (2.0 in)
1960	53.4 mm (2.1 in)
1961	86.7 mm (3.4 in)
1962	48.4 mm (1.9 in)
1963	81.6 mm (3.2 in)
1964	52.3 mm (2.1 in)
1965	54.3 mm (2.1 in)
1966	64.1 mm (2.5 in)
1967	24.8 mm (1.0 in)
1968	66.2 mm (2.6 in)
1969	42.4 mm (1.7 in)
1970	62.0 mm (2.4 in)
1971	38.1 mm (1.5 in)
1972	119.1 mm (4.7 in)
1973	90.5 mm (3.6 in)
1974	95.6 mm (3.8 in)
1975	81.0 mm (3.2 in)
1976	65.2 mm (2.6 in)
1977	59.4 mm (2.3 in)
1978	70.2 mm (2.8 in)
1979	78.5 mm (3.1 in)
1980	97.8 mm (3.9 in)
1981	68.4 mm (2.7 in)
1982	31.8 mm (1.3 in)
1987	57.4 mm (2.3 in)
1988	61.4 mm (2.4 in)
1989	85.8 mm (3.4 in)
1991	44.4 mm (1.7 in)
2003	47.5 mm (1.9 in)
2004	22.5 mm (0.9 in)
2005	62.9 mm (2.5 in)
2006	14.4 mm (0.6 in)
2007	62.2 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Maldon (Derby Hill), 1878 to 2007. The record is 73 days in 1882, marked on the chart; the median year is 29 days.

Longest dry spell (CDD) at Maldon (Derby Hill) by year
Year	Longest dry spell (CDD)
1878	19 days
1879	32 days
1880	34 days
1881	25 days
1882	73 days
1883	31 days
1884	28 days
1885	26 days
1886	31 days
1887	33 days
1888	28 days
1889	43 days
1890	33 days
1891	59 days
1892	26 days
1893	69 days
1894	30 days
1895	52 days
1896	34 days
1897	27 days
1898	29 days
1899	35 days
1900	27 days
1901	31 days
1902	28 days
1903	23 days
1904	32 days
1905	33 days
1906	58 days
1907	32 days
1908	34 days
1909	31 days
1910	51 days
1911	23 days
1912	33 days
1913	32 days
1914	40 days
1915	38 days
1916	56 days
1917	22 days
1918	33 days
1919	33 days
1920	36 days
1921	22 days
1922	50 days
1923	72 days
1924	22 days
1925	31 days
1926	72 days
1927	29 days
1928	39 days
1929	25 days
1930	38 days
1931	43 days
1932	36 days
1933	37 days
1934	45 days
1935	25 days
1936	22 days
1937	22 days
1938	46 days
1939	22 days
1940	32 days
1941	27 days
1942	20 days
1943	32 days
1944	23 days
1945	35 days
1946	20 days
1947	24 days
1948	53 days
1949	19 days
1950	29 days
1951	29 days
1952	21 days
1953	39 days
1954	34 days
1955	20 days
1956	28 days
1957	24 days
1958	27 days
1959	46 days
1960	21 days
1961	37 days
1962	25 days
1963	27 days
1964	20 days
1965	48 days
1966	20 days
1967	27 days
1968	26 days
1969	18 days
1970	23 days
1971	27 days
1972	32 days
1973	15 days
1974	19 days
1975	22 days
1976	26 days
1977	29 days
1978	21 days
1979	22 days
1980	32 days
1981	29 days
1982	26 days
1987	20 days
1988	33 days
1989	27 days
1991	31 days
2003	22 days
2004	33 days
2005	27 days
2006	24 days
2007	23 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, 1879 to 1988

A day with at least 43.0 mm (1.7 in) of rain is expected about once in 2 years. A day with at least 103.0 mm (4.1 in) of rain is expected about once in 100 years.

Rainfall return levels at Maldon (Derby Hill): the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	43.0 mm (1.7 in)
5 years	59.0 mm (2.3 in)
10 years	69.6 mm (2.7 in)
25 years	83.1 mm (3.3 in)
50 years	93.1 mm (3.7 in)
100 years	103.0 mm (4.1 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 1879 to 1988.

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: 106.9 mm (4.2 in) in 1889; 99.1 mm (3.9 in) in 1886; 87.1 mm (3.4 in) in 1897.

Download the Data

Data for Maldon (Derby Hill) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Maldon (Derby Hill) 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).