Tunnack Post Office Weather Records (ASN00094067)

Record envelope, standing records and threshold days for Tunnack Post Office (ASN00094067), Australia, with 68 years of record.

Key Facts for Tunnack Post Office

Tunnack Post Office (ASN00094067) is a weather station in Australia at -42.46 latitude and 147.46 longitude, 460 m (1,509 ft) above sea level.
The station reports from 1922 to 1989, 68 years of record.
0 records set at Tunnack Post Office still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Tunnack Post Office set a daily record precipitation of 10.0 mm (0.4 in) on 6 April 1989.

About the Station

Location: Australia, -42.46 latitude, 147.46 longitude.
Elevation: 460 m (1,509 ft).
Period of record: 1922 to 1989, 68 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 Tunnack Post Office. 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 Tunnack Post Office, 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 Tunnack Post Office still stand.

Wettest Day of Each Month

Apr: 122.7 mm (4.8 in)

The wettest day on record for each calendar month at Tunnack Post Office. The most was 122.7 mm (4.8 in) on 23 April 1960.

Record daily precipitation for each month at Tunnack Post Office
Month	Record daily precipitation (mm)	Date
Jan	99.8 mm (3.9 in)	25 January 1928
Feb	79.0 mm (3.1 in)	5 February 1938
Mar	78.7 mm (3.1 in)	21 March 1970
Apr	122.7 mm (4.8 in)	23 April 1960
May	63.5 mm (2.5 in)	30 May 1969
Jun	85.1 mm (3.4 in)	2 June 1939
Jul	66.8 mm (2.6 in)	1 July 1967
Aug	100.0 mm (3.9 in)	12 August 1984
Sep	61.7 mm (2.4 in)	7 September 1966
Oct	63.2 mm (2.5 in)	9 October 1926
Nov	58.0 mm (2.3 in)	21 November 1975
Dec	89.0 mm (3.5 in)	19 December 1985

Latest Records

Latest records at Tunnack Post Office
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
6 April 1989	Tunnack Post Office, AU	daily rain	10.0 mm (0.4 in)	0.2 mm (0.01 in)	8 years	8 of 100 (Routine)
15 November 1988	Tunnack Post Office, AU	daily rain	41.0 mm (1.6 in)	35.0 mm (1.4 in)	7 years	48 of 100 (Notable)
21 July 1988	Tunnack Post Office, AU	daily rain	22.6 mm (0.9 in)	11.9 mm (0.5 in)	16 years	20 of 100 (Routine)
10 September 1987	Tunnack Post Office, AU	daily rain	9.6 mm (0.38 in)	1.2 mm (0.05 in)	10 years	11 of 100 (Routine)
2 September 1987	Tunnack Post Office, AU	daily rain	20.0 mm (0.8 in)	10.6 mm (0.4 in)	20 years	20 of 100 (Routine)
1 September 1987	Tunnack Post Office, AU	daily rain	8.6 mm (0.34 in)	0.5 mm (0.02 in)	52 years	20 of 100 (Routine)
26 May 1987	Tunnack Post Office, AU	daily rain	25.6 mm (1.0 in)	12.1 mm (0.5 in)	57 years	39 of 100 (Notable)
17 December 1986	Tunnack Post Office, AU	daily rain	22.4 mm (0.9 in)	15.3 mm (0.6 in)	17 years	20 of 100 (Routine)
23 October 1986	Tunnack Post Office, AU	daily rain	24.6 mm (1.0 in)	14.9 mm (0.6 in)	16 years	20 of 100 (Routine)
8 October 1986	Tunnack Post Office, AU	daily rain	24.8 mm (1.0 in)	6.3 mm (0.25 in)	25 years	20 of 100 (Routine)
24 July 1986	Tunnack Post Office, AU	daily rain	12.4 mm (0.5 in)	3.3 mm (0.13 in)	20 years	16 of 100 (Routine)
20 May 1986	Tunnack Post Office, AU	daily rain	18.4 mm (0.7 in)	5.7 mm (0.22 in)	47 years	20 of 100 (Routine)
7 May 1986	Tunnack Post Office, AU	daily rain	15.4 mm (0.6 in)	6.0 mm (0.24 in)	60 years	20 of 100 (Routine)
18 April 1986	Tunnack Post Office, AU	daily rain	55.8 mm (2.2 in)	23.5 mm (0.9 in)	51 years	42 of 100 (Notable)
9 January 1986	Tunnack Post Office, AU	daily rain	33.0 mm (1.3 in)	8.1 mm (0.32 in)	52 years	29 of 100 (Routine)
19 December 1985	Tunnack Post Office, AU	monthly rain	89.0 mm (3.5 in)	3.9 mm (0.15 in)	44 years	32 of 100 (Routine)
18 December 1985	Tunnack Post Office, AU	daily rain	25.6 mm (1.0 in)	6.0 mm (0.24 in)	26 years	18 of 100 (Routine)
19 September 1985	Tunnack Post Office, AU	daily rain	24.0 mm (0.9 in)	12.1 mm (0.5 in)	62 years	20 of 100 (Routine)
15 May 1985	Tunnack Post Office, AU	daily rain	17.0 mm (0.7 in)	5.3 mm (0.21 in)	19 years	18 of 100 (Routine)
2 March 1985	Tunnack Post Office, AU	daily rain	21.0 mm (0.8 in)	11.9 mm (0.5 in)	14 years	20 of 100 (Routine)

Extremes by Year

1922 to 1989

Yearly extremes at Tunnack Post Office: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	122.7 mm (4.8 in)	1960	49.8 mm (2.0 in)	64
Wettest five days (Rx5day)	235.6 mm (9.3 in)	1960	84.9 mm (3.3 in)	64
Longest dry spell (CDD)	77 days	1945	20 days	64

Wettest day (Rx1day)

The wettest day of the year at Tunnack Post Office, 1922 to 1989. The record is 122.7 mm (4.8 in) in 1960, marked on the chart; the median year is 49.8 mm (2.0 in).

Wettest day (Rx1day) at Tunnack Post Office by year
Year	Wettest day (Rx1day)
1922	36.8 mm (1.4 in)
1923	79.0 mm (3.1 in)
1924	45.2 mm (1.8 in)
1925	30.5 mm (1.2 in)
1926	63.2 mm (2.5 in)
1927	32.5 mm (1.3 in)
1928	99.8 mm (3.9 in)
1929	49.5 mm (1.9 in)
1930	36.1 mm (1.4 in)
1931	35.8 mm (1.4 in)
1932	53.3 mm (2.1 in)
1933	50.0 mm (2.0 in)
1934	46.0 mm (1.8 in)
1935	78.2 mm (3.1 in)
1936	52.6 mm (2.1 in)
1937	55.9 mm (2.2 in)
1938	79.0 mm (3.1 in)
1939	85.1 mm (3.4 in)
1940	34.8 mm (1.4 in)
1941	85.1 mm (3.4 in)
1942	25.9 mm (1.0 in)
1943	70.4 mm (2.8 in)
1944	48.8 mm (1.9 in)
1945	17.5 mm (0.7 in)
1946	50.3 mm (2.0 in)
1947	50.3 mm (2.0 in)
1948	39.4 mm (1.6 in)
1949	53.3 mm (2.1 in)
1950	5.1 mm (0.20 in)
1951	40.6 mm (1.6 in)
1952	14.7 mm (0.6 in)
1953	19.1 mm (0.8 in)
1954	3.0 mm (0.12 in)
1959	26.4 mm (1.0 in)
1960	122.7 mm (4.8 in)
1961	29.2 mm (1.1 in)
1962	55.9 mm (2.2 in)
1963	45.0 mm (1.8 in)
1964	71.6 mm (2.8 in)
1965	59.4 mm (2.3 in)
1966	61.7 mm (2.4 in)
1967	66.8 mm (2.6 in)
1968	36.1 mm (1.4 in)
1969	63.5 mm (2.5 in)
1970	83.8 mm (3.3 in)
1971	44.5 mm (1.8 in)
1972	67.3 mm (2.6 in)
1973	41.7 mm (1.6 in)
1974	45.0 mm (1.8 in)
1975	58.0 mm (2.3 in)
1976	65.0 mm (2.6 in)
1977	33.2 mm (1.3 in)
1978	47.0 mm (1.9 in)
1979	19.2 mm (0.8 in)
1980	24.6 mm (1.0 in)
1981	87.0 mm (3.4 in)
1982	63.1 mm (2.5 in)
1983	56.2 mm (2.2 in)
1984	100.0 mm (3.9 in)
1985	89.0 mm (3.5 in)
1986	55.8 mm (2.2 in)
1987	25.6 mm (1.0 in)
1988	41.0 mm (1.6 in)
1989	28.2 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tunnack Post Office, 1922 to 1989. The record is 235.6 mm (9.3 in) in 1960, marked on the chart; the median year is 84.9 mm (3.3 in).

Wettest five days (Rx5day) at Tunnack Post Office by year
Year	Wettest five days (Rx5day)
1922	68.6 mm (2.7 in)
1923	90.0 mm (3.5 in)
1924	89.8 mm (3.5 in)
1925	64.5 mm (2.5 in)
1926	130.5 mm (5.1 in)
1927	46.9 mm (1.8 in)
1928	128.0 mm (5.0 in)
1929	112.1 mm (4.4 in)
1930	45.8 mm (1.8 in)
1931	84.8 mm (3.3 in)
1932	82.3 mm (3.2 in)
1933	69.6 mm (2.7 in)
1934	87.2 mm (3.4 in)
1935	204.6 mm (8.1 in)
1936	55.6 mm (2.2 in)
1937	75.7 mm (3.0 in)
1938	95.3 mm (3.8 in)
1939	152.8 mm (6.0 in)
1940	41.1 mm (1.6 in)
1941	187.0 mm (7.4 in)
1942	44.4 mm (1.7 in)
1943	78.3 mm (3.1 in)
1944	91.5 mm (3.6 in)
1945	23.3 mm (0.9 in)
1946	144.1 mm (5.7 in)
1947	101.9 mm (4.0 in)
1948	55.7 mm (2.2 in)
1949	62.2 mm (2.4 in)
1950	9.2 mm (0.36 in)
1951	79.6 mm (3.1 in)
1952	42.6 mm (1.7 in)
1953	28.3 mm (1.1 in)
1954	5.0 mm (0.20 in)
1959	52.4 mm (2.1 in)
1960	235.6 mm (9.3 in)
1961	48.6 mm (1.9 in)
1962	86.7 mm (3.4 in)
1963	61.7 mm (2.4 in)
1964	102.4 mm (4.0 in)
1965	169.4 mm (6.7 in)
1966	107.2 mm (4.2 in)
1967	95.3 mm (3.8 in)
1968	56.9 mm (2.2 in)
1969	121.2 mm (4.8 in)
1970	140.0 mm (5.5 in)
1971	151.4 mm (6.0 in)
1972	85.1 mm (3.4 in)
1973	79.6 mm (3.1 in)
1974	112.2 mm (4.4 in)
1975	91.0 mm (3.6 in)
1976	88.2 mm (3.5 in)
1977	61.6 mm (2.4 in)
1978	93.2 mm (3.7 in)
1979	34.4 mm (1.4 in)
1980	37.0 mm (1.5 in)
1981	107.6 mm (4.2 in)
1982	71.8 mm (2.8 in)
1983	85.4 mm (3.4 in)
1984	165.0 mm (6.5 in)
1985	123.8 mm (4.9 in)
1986	89.2 mm (3.5 in)
1987	33.0 mm (1.3 in)
1988	15.2 mm (0.6 in)
1989	33.4 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tunnack Post Office, 1922 to 1989. The record is 77 days in 1945, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Tunnack Post Office by year
Year	Longest dry spell (CDD)
1922	19 days
1923	30 days
1924	20 days
1925	21 days
1926	25 days
1927	28 days
1928	16 days
1929	16 days
1930	18 days
1931	23 days
1932	30 days
1933	29 days
1934	27 days
1935	22 days
1936	24 days
1937	46 days
1938	27 days
1939	47 days
1940	38 days
1941	30 days
1942	26 days
1943	40 days
1944	30 days
1945	77 days
1946	67 days
1947	26 days
1948	8 days
1949	55 days
1950	15 days
1951	50 days
1952	12 days
1953	31 days
1954	59 days
1959	48 days
1960	18 days
1961	19 days
1962	24 days
1963	18 days
1964	13 days
1965	25 days
1966	19 days
1967	15 days
1968	16 days
1969	19 days
1970	16 days
1971	22 days
1972	18 days
1973	12 days
1974	12 days
1975	16 days
1976	20 days
1977	17 days
1978	12 days
1979	16 days
1980	13 days
1981	15 days
1982	17 days
1983	20 days
1984	19 days
1985	14 days
1986	9 days
1987	15 days
1988	17 days
1989	14 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

32 years, 1923 to 1984

A day with at least 56.4 mm (2.2 in) of rain is expected about once in 2 years. A day with at least 125.8 mm (5.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Tunnack Post Office: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	56.4 mm (2.2 in)
5 years	75.1 mm (3.0 in)
10 years	87.4 mm (3.4 in)
25 years	102.9 mm (4.1 in)
50 years	114.4 mm (4.5 in)	Longer than the 32 years of record
100 years	125.8 mm (5.0 in)	Longer than the 32 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, 32 years of values from 1923 to 1984.

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: 122.7 mm (4.8 in) in 1960; 100.0 mm (3.9 in) in 1984; 87.0 mm (3.4 in) in 1981.

Download the Data

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