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Built 2026-10-15 (15 October 2026)

Mornington Island Threshold Days by Year

11 fixed thresholds counted per year at Mornington Island (ASN00029039): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mornington Island Thresholds

  • Mornington Island: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 2011 with 55.
  • Mornington Island: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 2011 with 29.
  • Mornington Island: days with 50 mm (1.97 in) or more of precipitation in 75 years, most in 2011 with 17.
  • Mornington Island: days with 100 mm (3.94 in) or more of precipitation in 56 years, most in 1953 with 5.
  • 11 fixed thresholds have at least one qualifying day at Mornington Island.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Mornington Island Days per year at Mornington Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 278 in 2002. 01002003001975: 1931976: 1691977: 1681978: 2101979: 2051980: 2191981: 2191982: 1931983: 2081985: 1891986: 2131987: 2181988: 2451989: 2342002: 2782003: 2322004: 2362005: 2602006: 2082007: 2562009: 2452010: 2422011: 2042012: 23919751978198119851988200320062010
Days per year at Mornington Island with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 278 in 2002.
Days at or above 30 C (86 F) per year at Mornington Island
YearDaysDecade average
1975193189
1976169189
1977168189
1978210189
1979205189
1980219215.3
1981219215.3
1982193215.3
1983208215.3
1985189215.3
1986213215.3
1987218215.3
1988245215.3
1989234215.3
2002278245
2003232245
2004236245
2005260245
2006208245
2007256245
2009245245
2010242228.3
2011204228.3
2012239228.3
First to last qualifying date each year at Mornington Island For each year, a bar from the first to the last day at Mornington Island meeting 30 C (86 F). 1975: 1 January 1975 to 28 December 19751976: 12 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 2 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831985: 1 January 1985 to 31 December 19851986: 1 January 1986 to 11 December 19861987: 15 January 1987 to 31 December 19871988: 1 January 1988 to 31 December 19881989: 1 January 1989 to 31 December 19892002: 1 January 2002 to 31 December 20022003: 2 January 2003 to 31 December 20032004: 1 January 2004 to 28 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062007: 1 January 2007 to 30 December 20072009: 2 January 2009 to 31 December 20092010: 2 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 201219751978198119851988200320062010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mornington Island meeting 30 C (86 F).
First to last qualifying date each year at Mornington Island
YearFirst dateLast date
19751975-01-011975-12-28
19761976-01-121976-12-31
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-021980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19851985-01-011985-12-31
19861986-01-011986-12-11
19871987-01-151987-12-31
19881988-01-011988-12-31
19891989-01-011989-12-31
20022002-01-012002-12-31
20032003-01-022003-12-31
20042004-01-012004-12-28
20052005-01-012005-12-31
20062006-01-012006-12-31
20072007-01-012007-12-30
20092009-01-022009-12-31
20102010-01-022010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31

Every Fixed Threshold

Fixed thresholds at Mornington Island
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days242782002239
35 C (95 F): Days2461200210
90 F (32.2 C): Days242032002148
100 F (37.8 C): Days9520062
20 C (68 F): Tropical nights (min262972010243
25 C (77 F): Days with min261502002113
10 mm (0.39 in): Days with 10 mm or more rain7655201132
25 mm (0.98 in): Days with 25 mm or more rain7629201118
50 mm (1.97 in): Days with 50 mm or more rain751720113
100 mm (3.94 in): Days with 100 mm or more rain56519531
200 mm (7.87 in): Days with 200 mm or more rain17219671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Mornington Island 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). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).