Mirani Post Office Weather Records (ASN00033052)

Record envelope, standing records and threshold days for Mirani Post Office (ASN00033052), Australia, with 81 years of record.

Key Facts for Mirani Post Office

Mirani Post Office (ASN00033052) is a weather station in Australia at -21.15 latitude and 148.87 longitude, 50 m (164 ft) above sea level.
The station reports from 1899 to 1979, 81 years of record.
0 records set at Mirani Post Office still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Mirani Post Office set a daily record precipitation of 111.0 mm (4.4 in) on 29 December 1979.

About the Station

Location: Australia, -21.15 latitude, 148.87 longitude.
Elevation: 50 m (164 ft).
Period of record: 1899 to 1979, 81 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 Mirani 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 Mirani 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 Mirani Post Office still stand.

Wettest Day of Each Month

Jan: 421.4 mm (16.6 in)

The wettest day on record for each calendar month at Mirani Post Office. The most was 421.4 mm (16.6 in) on 12 January 1901.

Record daily precipitation for each month at Mirani Post Office
Month	Record daily precipitation (mm)	Date
Jan	421.4 mm (16.6 in)	12 January 1901
Feb	406.0 mm (16.0 in)	6 February 1979
Mar	282.4 mm (11.1 in)	4 March 1946
Apr	263.7 mm (10.4 in)	2 April 1958
May	237.7 mm (9.4 in)	25 May 1955
Jun	144.8 mm (5.7 in)	25 June 1914
Jul	152.4 mm (6.0 in)	1 July 1921
Aug	90.7 mm (3.6 in)	29 August 1953
Sep	132.1 mm (5.2 in)	5 September 1921
Oct	127.0 mm (5.0 in)	19 October 1945
Nov	154.9 mm (6.1 in)	20 November 1934
Dec	268.2 mm (10.6 in)	30 December 1942

Latest Records

Latest records at Mirani Post Office
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 December 1979	Mirani Post Office, AU	daily rain	111.0 mm (4.4 in)	29.7 mm (1.2 in)	62 years	36 of 100 (Notable)
28 December 1979	Mirani Post Office, AU	daily rain	76.0 mm (3.0 in)	21.1 mm (0.8 in)	40 years	27 of 100 (Routine)
29 October 1979	Mirani Post Office, AU	daily rain	26.0 mm (1.0 in)	12.8 mm (0.5 in)	30 years	24 of 100 (Routine)
22 June 1979	Mirani Post Office, AU	daily rain	22.0 mm (0.9 in)	2.7 mm (0.11 in)	16 years	13 of 100 (Routine)
14 February 1979	Mirani Post Office, AU	daily rain	262.0 mm (10.3 in)	112.4 mm (4.4 in)	36 years	47 of 100 (Notable)
13 February 1979	Mirani Post Office, AU	daily rain	176.0 mm (6.9 in)	45.4 mm (1.8 in)	36 years	29 of 100 (Routine)
6 February 1979	Mirani Post Office, AU	monthly rain	406.0 mm (16.0 in)	45.3 mm (1.8 in)	20 years	35 of 100 (Notable)
31 January 1979	Mirani Post Office, AU	daily rain	223.0 mm (8.8 in)	93.5 mm (3.7 in)	68 years	49 of 100 (Notable)
27 January 1979	Mirani Post Office, AU	daily rain	159.0 mm (6.3 in)	87.9 mm (3.5 in)	72 years	49 of 100 (Notable)
11 May 1978	Mirani Post Office, AU	daily rain	21.0 mm (0.8 in)	7.3 mm (0.29 in)	21 years	17 of 100 (Routine)
1 February 1978	Mirani Post Office, AU	daily rain	310.0 mm (12.2 in)	209.7 mm (8.3 in)	44 years	61 of 100 (Major)
16 May 1977	Mirani Post Office, AU	daily rain	68.0 mm (2.7 in)	50.2 mm (2.0 in)	44 years	42 of 100 (Notable)
9 March 1977	Mirani Post Office, AU	daily rain	136.0 mm (5.4 in)	75.0 mm (3.0 in)	38 years	39 of 100 (Notable)
2 February 1977	Mirani Post Office, AU	daily rain	127.0 mm (5.0 in)	50.8 mm (2.0 in)	44 years	33 of 100 (Routine)
22 December 1976	Mirani Post Office, AU	daily rain	159.0 mm (6.3 in)	32.0 mm (1.3 in)	67 years	38 of 100 (Notable)
23 October 1976	Mirani Post Office, AU	daily rain	47.0 mm (1.9 in)	27.9 mm (1.1 in)	54 years	40 of 100 (Notable)
14 October 1976	Mirani Post Office, AU	daily rain	115.0 mm (4.5 in)	87.8 mm (3.5 in)	11 years	50 of 100 (Notable)
28 June 1976	Mirani Post Office, AU	daily rain	22.0 mm (0.9 in)	12.1 mm (0.5 in)	71 years	20 of 100 (Routine)
28 April 1976	Mirani Post Office, AU	daily rain	49.0 mm (1.9 in)	29.2 mm (1.1 in)	21 years	26 of 100 (Routine)
23 March 1976	Mirani Post Office, AU	daily rain	68.0 mm (2.7 in)	22.0 mm (0.9 in)	8 years	15 of 100 (Routine)

Extremes by Year

1899 to 1979

Yearly extremes at Mirani Post Office: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	421.4 mm (16.6 in)	1901	145.0 mm (5.7 in)	81
Wettest five days (Rx5day)	1,016.1 mm (40.0 in)	1918	286.4 mm (11.3 in)	81
Longest dry spell (CDD)	154 days	1911	49 days	81

Wettest day (Rx1day)

The wettest day of the year at Mirani Post Office, 1899 to 1979. The record is 421.4 mm (16.6 in) in 1901, marked on the chart; the median year is 145.0 mm (5.7 in).

Wettest day (Rx1day) at Mirani Post Office by year
Year	Wettest day (Rx1day)
1899	52.1 mm (2.1 in)
1900	78.0 mm (3.1 in)
1901	421.4 mm (16.6 in)
1902	52.3 mm (2.1 in)
1903	258.1 mm (10.2 in)
1904	218.4 mm (8.6 in)
1905	165.1 mm (6.5 in)
1906	232.2 mm (9.1 in)
1907	66.3 mm (2.6 in)
1908	139.7 mm (5.5 in)
1909	203.2 mm (8.0 in)
1910	219.7 mm (8.6 in)
1911	147.3 mm (5.8 in)
1912	54.6 mm (2.1 in)
1913	215.9 mm (8.5 in)
1914	144.8 mm (5.7 in)
1915	48.0 mm (1.9 in)
1916	116.8 mm (4.6 in)
1917	112.3 mm (4.4 in)
1918	342.9 mm (13.5 in)
1919	131.6 mm (5.2 in)
1920	142.2 mm (5.6 in)
1921	152.4 mm (6.0 in)
1922	90.2 mm (3.6 in)
1923	130.8 mm (5.1 in)
1924	194.3 mm (7.6 in)
1925	86.9 mm (3.4 in)
1926	79.2 mm (3.1 in)
1927	158.8 mm (6.3 in)
1928	147.3 mm (5.8 in)
1929	156.0 mm (6.1 in)
1930	157.5 mm (6.2 in)
1931	101.6 mm (4.0 in)
1932	275.6 mm (10.9 in)
1933	128.3 mm (5.1 in)
1934	154.9 mm (6.1 in)
1935	65.5 mm (2.6 in)
1936	175.3 mm (6.9 in)
1937	130.8 mm (5.1 in)
1938	126.7 mm (5.0 in)
1939	87.9 mm (3.5 in)
1940	208.3 mm (8.2 in)
1941	160.3 mm (6.3 in)
1942	268.2 mm (10.6 in)
1943	130.6 mm (5.1 in)
1944	206.5 mm (8.1 in)
1945	127.0 mm (5.0 in)
1946	282.4 mm (11.1 in)
1947	304.3 mm (12.0 in)
1948	108.7 mm (4.3 in)
1949	154.7 mm (6.1 in)
1950	258.3 mm (10.2 in)
1951	285.0 mm (11.2 in)
1952	85.6 mm (3.4 in)
1953	243.8 mm (9.6 in)
1954	235.0 mm (9.3 in)
1955	237.7 mm (9.4 in)
1956	206.0 mm (8.1 in)
1957	59.9 mm (2.4 in)
1958	360.7 mm (14.2 in)
1959	185.4 mm (7.3 in)
1960	185.4 mm (7.3 in)
1961	112.8 mm (4.4 in)
1962	64.5 mm (2.5 in)
1963	130.0 mm (5.1 in)
1964	82.6 mm (3.3 in)
1965	87.4 mm (3.4 in)
1966	104.1 mm (4.1 in)
1967	69.1 mm (2.7 in)
1968	163.3 mm (6.4 in)
1969	69.6 mm (2.7 in)
1970	118.6 mm (4.7 in)
1971	189.2 mm (7.4 in)
1972	104.6 mm (4.1 in)
1973	92.7 mm (3.6 in)
1974	145.0 mm (5.7 in)
1975	115.0 mm (4.5 in)
1976	159.0 mm (6.3 in)
1977	136.0 mm (5.4 in)
1978	310.0 mm (12.2 in)
1979	406.0 mm (16.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mirani Post Office, 1899 to 1979. The record is 1,016.1 mm (40.0 in) in 1918, marked on the chart; the median year is 286.4 mm (11.3 in).

Wettest five days (Rx5day) at Mirani Post Office by year
Year	Wettest five days (Rx5day)
1899	77.0 mm (3.0 in)
1900	229.4 mm (9.0 in)
1901	748.5 mm (29.5 in)
1902	102.9 mm (4.1 in)
1903	425.5 mm (16.8 in)
1904	314.9 mm (12.4 in)
1905	389.7 mm (15.3 in)
1906	395.0 mm (15.6 in)
1907	129.1 mm (5.1 in)
1908	222.5 mm (8.8 in)
1909	391.4 mm (15.4 in)
1910	377.1 mm (14.8 in)
1911	233.6 mm (9.2 in)
1912	167.7 mm (6.6 in)
1913	430.6 mm (17.0 in)
1914	354.3 mm (13.9 in)
1915	64.7 mm (2.5 in)
1916	349.2 mm (13.7 in)
1917	318.7 mm (12.5 in)
1918	1,016.1 mm (40.0 in)
1919	233.0 mm (9.2 in)
1920	235.7 mm (9.3 in)
1921	268.5 mm (10.6 in)
1922	153.9 mm (6.1 in)
1923	139.7 mm (5.5 in)
1924	307.1 mm (12.1 in)
1925	190.0 mm (7.5 in)
1926	132.1 mm (5.2 in)
1927	218.8 mm (8.6 in)
1928	286.4 mm (11.3 in)
1929	286.4 mm (11.3 in)
1930	257.2 mm (10.1 in)
1931	200.2 mm (7.9 in)
1932	448.9 mm (17.7 in)
1933	298.2 mm (11.7 in)
1934	246.9 mm (9.7 in)
1935	103.1 mm (4.1 in)
1936	550.7 mm (21.7 in)
1937	258.8 mm (10.2 in)
1938	310.6 mm (12.2 in)
1939	178.3 mm (7.0 in)
1940	577.1 mm (22.7 in)
1941	237.5 mm (9.4 in)
1942	605.0 mm (23.8 in)
1943	496.9 mm (19.6 in)
1944	306.3 mm (12.1 in)
1945	213.7 mm (8.4 in)
1946	560.0 mm (22.0 in)
1947	689.4 mm (27.1 in)
1948	245.0 mm (9.6 in)
1949	215.7 mm (8.5 in)
1950	375.5 mm (14.8 in)
1951	840.3 mm (33.1 in)
1952	113.0 mm (4.4 in)
1953	330.5 mm (13.0 in)
1954	409.8 mm (16.1 in)
1955	603.3 mm (23.8 in)
1956	327.6 mm (12.9 in)
1957	144.8 mm (5.7 in)
1958	898.2 mm (35.4 in)
1959	239.8 mm (9.4 in)
1960	320.1 mm (12.6 in)
1961	241.4 mm (9.5 in)
1962	152.9 mm (6.0 in)
1963	379.6 mm (14.9 in)
1964	89.1 mm (3.5 in)
1965	116.8 mm (4.6 in)
1966	171.4 mm (6.7 in)
1967	179.0 mm (7.0 in)
1968	414.3 mm (16.3 in)
1969	135.2 mm (5.3 in)
1970	226.8 mm (8.9 in)
1971	358.1 mm (14.1 in)
1972	150.8 mm (5.9 in)
1973	186.2 mm (7.3 in)
1974	423.0 mm (16.7 in)
1975	297.0 mm (11.7 in)
1976	294.0 mm (11.6 in)
1977	309.0 mm (12.2 in)
1978	653.0 mm (25.7 in)
1979	616.0 mm (24.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mirani Post Office, 1899 to 1979. The record is 154 days in 1911, marked on the chart; the median year is 49 days.

Longest dry spell (CDD) at Mirani Post Office by year
Year	Longest dry spell (CDD)
1899	39 days
1900	65 days
1901	35 days
1902	36 days
1903	36 days
1904	109 days
1905	27 days
1906	47 days
1907	40 days
1908	35 days
1909	29 days
1910	42 days
1911	154 days
1912	63 days
1913	93 days
1914	52 days
1915	45 days
1916	20 days
1917	54 days
1918	61 days
1919	61 days
1920	53 days
1921	34 days
1922	49 days
1923	60 days
1924	32 days
1925	65 days
1926	59 days
1927	31 days
1928	85 days
1929	101 days
1930	32 days
1931	35 days
1932	46 days
1933	22 days
1934	30 days
1935	32 days
1936	90 days
1937	35 days
1938	49 days
1939	81 days
1940	45 days
1941	75 days
1942	24 days
1943	81 days
1944	57 days
1945	23 days
1946	82 days
1947	37 days
1948	70 days
1949	69 days
1950	34 days
1951	60 days
1952	26 days
1953	56 days
1954	24 days
1955	49 days
1956	29 days
1957	42 days
1958	75 days
1959	37 days
1960	57 days
1961	61 days
1962	51 days
1963	55 days
1964	51 days
1965	75 days
1966	28 days
1967	62 days
1968	63 days
1969	42 days
1970	42 days
1971	28 days
1972	51 days
1973	25 days
1974	67 days
1975	24 days
1976	38 days
1977	65 days
1978	27 days
1979	61 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

78 years, 1900 to 1979

A day with at least 146.4 mm (5.8 in) of rain is expected about once in 2 years. A day with at least 452.6 mm (17.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Mirani 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	146.4 mm (5.8 in)
5 years	218.9 mm (8.6 in)
10 years	270.5 mm (10.6 in)
25 years	340.0 mm (13.4 in)
50 years	395.0 mm (15.6 in)
100 years	452.6 mm (17.8 in)	Longer than the 78 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, 78 years of values from 1900 to 1979.

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: 421.4 mm (16.6 in) in 1901; 406.0 mm (16.0 in) in 1979; 360.7 mm (14.2 in) in 1958.

Download the Data

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