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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Nerrima Threshold Days by Year

4 fixed thresholds counted per year at Nerrima (ASN00003020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nerrima Thresholds

  • Nerrima: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 2004 with 21.
  • Nerrima: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1937 with 10.
  • Nerrima: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1935 with 3.
  • Nerrima: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1935 with 1.
  • 4 fixed thresholds have at least one qualifying day at Nerrima.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Nerrima Days per year at Nerrima with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 2004. 01020301935: 121936: 81937: 171938: 91940: 81941: 101942: 181943: 131945: 101946: 131949: 61979: 151980: 161983: 202003: 82004: 212005: 212006: 17193519371940194219451949198020032005
Days per year at Nerrima with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 2004.
Days with 10 mm (0.39 in) or more of precipitation per year at Nerrima
YearDaysDecade average
19351211.5
1936811.5
19371711.5
1938911.5
1940811.1
19411011.1
19421811.1
19431311.1
19451011.1
19461311.1
1949611.1
19791515
19801618
19832018
2003816.8
20042116.8
20052116.8
20061716.8
First to last qualifying date each year at Nerrima For each year, a bar from the first to the last day at Nerrima meeting 10 mm (0.39 in). 1935: 4 February 1935 to 21 December 19351936: 10 January 1936 to 3 March 19361937: 4 January 1937 to 29 December 19371938: 4 January 1938 to 20 December 19381940: 1 January 1940 to 3 February 19401941: 1 January 1941 to 23 December 19411942: 3 January 1942 to 17 May 19421943: 24 January 1943 to 31 December 19431945: 4 January 1945 to 30 December 19451946: 8 January 1946 to 19 December 19461949: 5 January 1949 to 20 December 19491979: 1 January 1979 to 24 December 19791980: 4 January 1980 to 31 December 19801983: 26 January 1983 to 28 December 19832003: 17 February 2003 to 17 May 20032004: 2 January 2004 to 23 December 20042005: 4 January 2005 to 30 December 20052006: 1 January 2006 to 11 December 2006193519381942194619802004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nerrima meeting 10 mm (0.39 in).
First to last qualifying date each year at Nerrima
YearFirst dateLast date
19351935-02-041935-12-21
19361936-01-101936-03-03
19371937-01-041937-12-29
19381938-01-041938-12-20
19401940-01-011940-02-03
19411941-01-011941-12-23
19421942-01-031942-05-17
19431943-01-241943-12-31
19451945-01-041945-12-30
19461946-01-081946-12-19
19491949-01-051949-12-20
19791979-01-011979-12-24
19801980-01-041980-12-31
19831983-01-261983-12-28
20032003-02-172003-05-17
20042004-01-022004-12-23
20052005-01-042005-12-30
20062006-01-012006-12-11

Every Fixed Threshold

Fixed thresholds at Nerrima
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1821200417
25 mm (0.98 in): Days with 25 mm or more rain181019375
50 mm (1.97 in): Days with 50 mm or more rain16319352
100 mm (3.94 in): Days with 100 mm or more rain2119351

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

  • Data for Nerrima 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).