Gammon Ranges (Mount Serle) Weather Records (ASN00017035)

Record envelope, standing records and threshold days for Gammon Ranges (Mount Serle) (ASN00017035), Australia, with 75 years of record.

Key Facts for Gammon Ranges (Mount Serle)

Gammon Ranges (Mount Serle) (ASN00017035) is a weather station in Australia at -30.54 latitude and 138.86 longitude, 520 m (1,706 ft) above sea level.
The station reports from 1917 to 1991, 75 years of record.
0 records set at Gammon Ranges (Mount Serle) still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Gammon Ranges (Mount Serle) set a daily record precipitation of 7.0 mm (0.28 in) on 24 January 1991.

About the Station

Location: Australia, -30.54 latitude, 138.86 longitude.
Elevation: 520 m (1,706 ft).
Period of record: 1917 to 1991, 75 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 Gammon Ranges (Mount Serle). 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 Gammon Ranges (Mount Serle), 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 Gammon Ranges (Mount Serle) still stand.

All-Time Record Progression

1 new records

1 all-time records were set at Gammon Ranges (Mount Serle) between 14 March 1989 and 14 March 1989. Each dot is a new record.

Wettest Day of Each Month

Mar: 214.0 mm (8.4 in)

The wettest day on record for each calendar month at Gammon Ranges (Mount Serle). The most was 214.0 mm (8.4 in) on 14 March 1989.

Record daily precipitation for each month at Gammon Ranges (Mount Serle)
Month	Record daily precipitation (mm)	Date
Jan	55.6 mm (2.2 in)	29 January 1974
Feb	71.1 mm (2.8 in)	2 February 1950
Mar	214.0 mm (8.4 in)	14 March 1989
Apr	96.0 mm (3.8 in)	3 April 1983
May	47.6 mm (1.9 in)	22 May 1986
Jun	52.3 mm (2.1 in)	20 June 1957
Jul	30.7 mm (1.2 in)	17 July 1917
Aug	33.5 mm (1.3 in)	27 August 1973
Sep	61.2 mm (2.4 in)	28 September 1979
Oct	34.0 mm (1.3 in)	10 October 1958
Nov	91.4 mm (3.6 in)	12 November 1920
Dec	82.2 mm (3.2 in)	15 December 1975

Latest Records

Latest records at Gammon Ranges (Mount Serle)
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 January 1991	Gammon Ranges (Mount Serle), AU	daily rain	7.0 mm (0.28 in)	4.8 mm (0.19 in)	8 years	13 of 100 (Routine)
23 January 1991	Gammon Ranges (Mount Serle), AU	daily rain	26.3 mm (1.0 in)	21.1 mm (0.8 in)	12 years	27 of 100 (Routine)
22 January 1991	Gammon Ranges (Mount Serle), AU	daily rain	1.4 mm (0.06 in)	1.4 mm (0.06 in)	72 years	20 of 100 (Routine)
1 December 1990	Gammon Ranges (Mount Serle), AU	daily rain	19.2 mm (0.8 in)	7.8 mm (0.31 in)	69 years	20 of 100 (Routine)
7 October 1990	Gammon Ranges (Mount Serle), AU	daily rain	8.6 mm (0.34 in)	4.8 mm (0.19 in)	71 years	20 of 100 (Routine)
5 October 1990	Gammon Ranges (Mount Serle), AU	daily rain	7.6 mm (0.30 in)	0.5 mm (0.02 in)	32 years	16 of 100 (Routine)
21 August 1990	Gammon Ranges (Mount Serle), AU	daily rain	11.0 mm (0.4 in)	0.6 mm (0.02 in)	5 years	9 of 100 (Routine)
18 July 1990	Gammon Ranges (Mount Serle), AU	daily rain	4.2 mm (0.17 in)	0.9 mm (0.04 in)	40 years	20 of 100 (Routine)
3 July 1990	Gammon Ranges (Mount Serle), AU	daily rain	10.2 mm (0.4 in)	4.1 mm (0.16 in)	29 years	20 of 100 (Routine)
17 June 1990	Gammon Ranges (Mount Serle), AU	daily rain	5.6 mm (0.22 in)	2.3 mm (0.09 in)	36 years	20 of 100 (Routine)
26 May 1990	Gammon Ranges (Mount Serle), AU	daily rain	24.0 mm (0.9 in)	11.4 mm (0.4 in)	11 years	20 of 100 (Routine)
20 May 1990	Gammon Ranges (Mount Serle), AU	daily rain	15.0 mm (0.6 in)	7.4 mm (0.29 in)	68 years	20 of 100 (Routine)
24 April 1990	Gammon Ranges (Mount Serle), AU	daily rain	5.1 mm (0.20 in)	2.9 mm (0.11 in)	11 years	12 of 100 (Routine)
20 April 1990	Gammon Ranges (Mount Serle), AU	daily rain	30.1 mm (1.2 in)	26.3 mm (1.0 in)	28 years	36 of 100 (Notable)
25 February 1990	Gammon Ranges (Mount Serle), AU	daily rain	6.2 mm (0.24 in)	5.2 mm (0.20 in)	20 years	16 of 100 (Routine)
13 February 1990	Gammon Ranges (Mount Serle), AU	daily rain	7.6 mm (0.30 in)	0.6 mm (0.02 in)	16 years	11 of 100 (Routine)
10 January 1990	Gammon Ranges (Mount Serle), AU	daily rain	53.0 mm (2.1 in)	27.6 mm (1.1 in)	18 years	35 of 100 (Notable)
24 November 1989	Gammon Ranges (Mount Serle), AU	daily rain	5.6 mm (0.22 in)	4.3 mm (0.17 in)	18 years	16 of 100 (Routine)
22 July 1989	Gammon Ranges (Mount Serle), AU	daily rain	19.0 mm (0.7 in)	15.2 mm (0.6 in)	30 years	20 of 100 (Routine)
27 April 1989	Gammon Ranges (Mount Serle), AU	daily rain	10.6 mm (0.4 in)	6.8 mm (0.27 in)	67 years	20 of 100 (Routine)

Extremes by Year

1917 to 1991

Yearly extremes at Gammon Ranges (Mount Serle): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	214.0 mm (8.4 in)	1989	33.3 mm (1.3 in)	54
Wettest five days (Rx5day)	276.5 mm (10.9 in)	1989	45.4 mm (1.8 in)	54
Longest dry spell (CDD)	118 days	1982	59 days	54

Wettest day (Rx1day)

The wettest day of the year at Gammon Ranges (Mount Serle), 1917 to 1991. The record is 214.0 mm (8.4 in) in 1989, marked on the chart; the median year is 33.3 mm (1.3 in).

Wettest day (Rx1day) at Gammon Ranges (Mount Serle) by year
Year	Wettest day (Rx1day)
1917	30.7 mm (1.2 in)
1918	32.0 mm (1.3 in)
1919	34.3 mm (1.4 in)
1920	91.4 mm (3.6 in)
1921	39.6 mm (1.6 in)
1922	32.5 mm (1.3 in)
1923	29.0 mm (1.1 in)
1924	27.9 mm (1.1 in)
1925	31.8 mm (1.3 in)
1926	31.8 mm (1.3 in)
1947	25.9 mm (1.0 in)
1948	27.9 mm (1.1 in)
1949	30.7 mm (1.2 in)
1950	159.5 mm (6.3 in)
1951	30.0 mm (1.2 in)
1952	20.3 mm (0.8 in)
1953	53.3 mm (2.1 in)
1954	40.6 mm (1.6 in)
1955	64.3 mm (2.5 in)
1956	37.8 mm (1.5 in)
1957	52.3 mm (2.1 in)
1958	34.0 mm (1.3 in)
1959	20.6 mm (0.8 in)
1960	28.2 mm (1.1 in)
1961	20.6 mm (0.8 in)
1962	37.6 mm (1.5 in)
1963	41.9 mm (1.6 in)
1964	62.0 mm (2.4 in)
1965	24.6 mm (1.0 in)
1966	18.8 mm (0.7 in)
1967	35.6 mm (1.4 in)
1968	49.5 mm (1.9 in)
1969	28.2 mm (1.1 in)
1970	19.6 mm (0.8 in)
1971	39.1 mm (1.5 in)
1972	35.8 mm (1.4 in)
1973	90.9 mm (3.6 in)
1974	67.8 mm (2.7 in)
1975	82.2 mm (3.2 in)
1976	49.2 mm (1.9 in)
1977	25.6 mm (1.0 in)
1978	25.4 mm (1.0 in)
1979	61.2 mm (2.4 in)
1980	32.4 mm (1.3 in)
1981	27.8 mm (1.1 in)
1982	9.0 mm (0.35 in)
1983	96.0 mm (3.8 in)
1984	32.5 mm (1.3 in)
1985	22.2 mm (0.9 in)
1986	47.6 mm (1.9 in)
1987	70.8 mm (2.8 in)
1989	214.0 mm (8.4 in)
1990	53.0 mm (2.1 in)
1991	26.3 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Gammon Ranges (Mount Serle), 1917 to 1991. The record is 276.5 mm (10.9 in) in 1989, marked on the chart; the median year is 45.4 mm (1.8 in).

Wettest five days (Rx5day) at Gammon Ranges (Mount Serle) by year
Year	Wettest five days (Rx5day)
1917	43.6 mm (1.7 in)
1918	64.6 mm (2.5 in)
1919	44.4 mm (1.7 in)
1920	128.1 mm (5.0 in)
1921	44.8 mm (1.8 in)
1922	36.1 mm (1.4 in)
1923	42.0 mm (1.7 in)
1924	38.1 mm (1.5 in)
1925	42.7 mm (1.7 in)
1926	54.7 mm (2.2 in)
1947	30.7 mm (1.2 in)
1948	31.5 mm (1.2 in)
1949	32.0 mm (1.3 in)
1950	159.5 mm (6.3 in)
1951	30.0 mm (1.2 in)
1952	22.9 mm (0.9 in)
1953	77.9 mm (3.1 in)
1954	66.5 mm (2.6 in)
1955	102.2 mm (4.0 in)
1956	42.9 mm (1.7 in)
1957	60.4 mm (2.4 in)
1958	45.2 mm (1.8 in)
1959	20.6 mm (0.8 in)
1960	30.5 mm (1.2 in)
1961	30.7 mm (1.2 in)
1962	45.5 mm (1.8 in)
1963	66.1 mm (2.6 in)
1964	62.0 mm (2.4 in)
1965	40.3 mm (1.6 in)
1966	29.0 mm (1.1 in)
1967	58.6 mm (2.3 in)
1968	58.7 mm (2.3 in)
1969	39.1 mm (1.5 in)
1970	43.0 mm (1.7 in)
1971	39.1 mm (1.5 in)
1972	120.5 mm (4.7 in)
1973	104.1 mm (4.1 in)
1974	101.0 mm (4.0 in)
1975	98.0 mm (3.9 in)
1976	95.2 mm (3.7 in)
1977	28.2 mm (1.1 in)
1978	45.0 mm (1.8 in)
1979	104.4 mm (4.1 in)
1980	49.0 mm (1.9 in)
1981	47.8 mm (1.9 in)
1982	9.0 mm (0.35 in)
1983	96.0 mm (3.8 in)
1984	32.5 mm (1.3 in)
1985	45.8 mm (1.8 in)
1986	48.6 mm (1.9 in)
1987	86.8 mm (3.4 in)
1989	276.5 mm (10.9 in)
1990	68.6 mm (2.7 in)
1991	34.7 mm (1.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Gammon Ranges (Mount Serle), 1917 to 1991. The record is 118 days in 1982, marked on the chart; the median year is 59 days.

Longest dry spell (CDD) at Gammon Ranges (Mount Serle) by year
Year	Longest dry spell (CDD)
1917	22 days
1918	50 days
1919	50 days
1920	69 days
1921	44 days
1922	57 days
1923	61 days
1924	73 days
1925	110 days
1926	72 days
1947	54 days
1948	56 days
1949	37 days
1950	58 days
1951	51 days
1952	29 days
1953	26 days
1954	81 days
1955	58 days
1956	40 days
1957	62 days
1958	38 days
1959	63 days
1960	74 days
1961	60 days
1962	60 days
1963	65 days
1964	61 days
1965	46 days
1966	49 days
1967	83 days
1968	74 days
1969	33 days
1970	76 days
1971	51 days
1972	112 days
1973	42 days
1974	35 days
1975	48 days
1976	75 days
1977	47 days
1978	62 days
1979	39 days
1980	72 days
1981	48 days
1982	118 days
1983	92 days
1984	83 days
1985	73 days
1986	79 days
1987	91 days
1989	68 days
1990	54 days
1991	7 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

46 years, 1918 to 1990

A day with at least 35.0 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 207.2 mm (8.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Gammon Ranges (Mount Serle): the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	35.0 mm (1.4 in)
5 years	55.2 mm (2.2 in)
10 years	75.5 mm (3.0 in)
25 years	113.0 mm (4.4 in)
50 years	153.0 mm (6.0 in)	Longer than the 46 years of record
100 years	207.2 mm (8.2 in)	Longer than the 46 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, 46 years of values from 1918 to 1990.

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: 214.0 mm (8.4 in) in 1989; 159.5 mm (6.3 in) in 1950; 91.4 mm (3.6 in) in 1920.

Download the Data

Data for Gammon Ranges (Mount Serle) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Gammon Ranges (Mount Serle) 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