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Built 2026-10-17 (17 October 2026)

Isisford Post Office Threshold Days by Year

15 fixed thresholds counted per year at Isisford Post Office (ASN00036026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Isisford Post Office Thresholds

  • Isisford Post Office: days with 10 mm (0.39 in) or more of precipitation in 139 years, most in 2010 with 31.
  • Isisford Post Office: days with 25 mm (0.98 in) or more of precipitation in 133 years, most in 1950 with 16.
  • Isisford Post Office: days with 50 mm (1.97 in) or more of precipitation in 96 years, most in 1891 with 10.
  • Isisford Post Office: nights with a minimum temperature at or above 20 C (68 F) in 36 years, most in 2006 with 161.
  • 15 fixed thresholds have at least one qualifying day at Isisford Post Office.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Isisford Post Office Days per year at Isisford Post Office with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 244 in 2013. 01002003001957: 2201958: 2151981: 2001994: 2081995: 2181996: 2121997: 2141998: 2091999: 1812000: 1982001: 2152002: 2332003: 2312004: 2242005: 2342006: 2092008: 2182009: 2162010: 1672011: 1992012: 2012013: 2442014: 2282015: 2132016: 2062017: 2382018: 2182019: 2022020: 2202021: 2062022: 1792023: 2192024: 2112025: 1942026: 137195719951999200320082012201620202024
Days per year at Isisford Post Office with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 244 in 2013.
Days at or above 30 C (86 F) per year at Isisford Post Office
YearDaysDecade average
1957220217.5
1958215217.5
1981200200
1994208207
1995218207
1996212207
1997214207
1998209207
1999181207
2000198219.8
2001215219.8
2002233219.8
2003231219.8
2004224219.8
2005234219.8
2006209219.8
2008218219.8
2009216219.8
2010167211.6
2011199211.6
2012201211.6
2013244211.6
2014228211.6
2015213211.6
2016206211.6
2017238211.6
2018218211.6
2019202211.6
2020220195.1
2021206195.1
2022179195.1
2023219195.1
2024211195.1
2025194195.1
2026137195.1
First to last qualifying date each year at Isisford Post Office For each year, a bar from the first to the last day at Isisford Post Office meeting 30 C (86 F). 1957: 1 January 1957 to 30 December 19571958: 2 January 1958 to 31 December 19581981: 1 January 1981 to 31 December 19811994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 29 December 19981999: 3 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 29 December 20022003: 1 January 2003 to 31 December 20032004: 1 January 2004 to 31 December 20042005: 1 January 2005 to 31 December 20052006: 1 January 2006 to 31 December 20062008: 1 January 2008 to 31 December 20082009: 1 January 2009 to 30 December 20092010: 2 January 2010 to 31 December 20102011: 1 January 2011 to 31 December 20112012: 1 January 2012 to 31 December 20122013: 1 January 2013 to 31 December 20132014: 1 January 2014 to 31 December 20142015: 1 January 2015 to 31 December 20152016: 1 January 2016 to 31 December 20162017: 1 January 2017 to 31 December 20172018: 1 January 2018 to 30 December 20182019: 2 January 2019 to 31 December 20192020: 1 January 2020 to 31 December 20202021: 1 January 2021 to 31 December 20212022: 1 January 2022 to 31 December 20222023: 1 January 2023 to 31 December 20232024: 1 January 2024 to 31 December 20242025: 1 January 2025 to 31 December 20252026: 1 January 2026 to 8 October 20261957199620012006201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Isisford Post Office meeting 30 C (86 F).
First to last qualifying date each year at Isisford Post Office
YearFirst dateLast date
19571957-01-011957-12-30
19581958-01-021958-12-31
19811981-01-011981-12-31
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-29
19991999-01-031999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-29
20032003-01-012003-12-31
20042004-01-012004-12-31
20052005-01-012005-12-31
20062006-01-012006-12-31
20082008-01-012008-12-31
20092009-01-012009-12-30
20102010-01-022010-12-31
20112011-01-012011-12-31
20122012-01-012012-12-31
20132013-01-012013-12-31
20142014-01-012014-12-31
20152015-01-012015-12-31
20162016-01-012016-12-31
20172017-01-012017-12-31
20182018-01-012018-12-30
20192019-01-022019-12-31
20202020-01-012020-12-31
20212021-01-012021-12-31
20222022-01-012022-12-31
20232023-01-012023-12-31
20242024-01-012024-12-31
20252025-01-012025-12-31
20262026-01-012026-10-08

Every Fixed Threshold

Fixed thresholds at Isisford Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days352442013137
35 C (95 F): Days35164200544
40 C (104 F): Days344920058
45 C (113 F): Days10420131
90 F (32.2 C): Days352092005101
100 F (37.8 C): Days35100200522
110 F (43.3 C): Days231020135
0 C (32 F): Frost days (min12420021
20 C (68 F): Tropical nights (min36161200688
25 C (77 F): Days with min3659200618
10 mm (0.39 in): Days with 10 mm or more rain13931201011
25 mm (0.98 in): Days with 25 mm or more rain1331619503
50 mm (1.97 in): Days with 50 mm or more rain961018913
100 mm (3.94 in): Days with 100 mm or more rain19218901
200 mm (7.87 in): Days with 200 mm or more rain1119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Isisford 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).