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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Long Flat Threshold Days by Year (USS0013M02S)

10 fixed thresholds counted per year at Long Flat (USS0013M02S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Long Flat Thresholds

  • Long Flat: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 2010 with 40.
  • Long Flat: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 2010 with 8.
  • Long Flat: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 2008 with 31.
  • Long Flat: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 2011 with 188.
  • 10 fixed thresholds have at least one qualifying day at Long Flat.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Long Flat Days per year at Long Flat with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2020. 051015202006: 12007: 72008: 12009: 12010: 22011: 12012: 32013: 82014: 12015: 32016: 72017: 52018: 22020: 162021: 112022: 52023: 52024: 132025: 102026: 142006200820102012201420162018202120232025
Days per year at Long Flat with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2020.
Days at or above 30 C (86 F) per year at Long Flat
YearDaysDecade average
200612.5
200772.5
200812.5
200912.5
201023.6
201113.6
201233.6
201383.6
201413.6
201533.6
201673.6
201753.6
201823.6
20201610.6
20211110.6
2022510.6
2023510.6
20241310.6
20251010.6
20261410.6
First to last qualifying date each year at Long Flat For each year, a bar from the first to the last day at Long Flat meeting 30 C (86 F). 2006: 16 July 2006 to 16 July 20062007: 3 July 2007 to 14 July 20072008: 10 July 2008 to 10 July 20082009: 17 July 2009 to 17 July 20092010: 16 July 2010 to 18 July 20102011: 24 August 2011 to 24 August 20112012: 9 July 2012 to 11 July 20122013: 28 June 2013 to 10 July 20132014: 1 July 2014 to 1 July 20142015: 26 June 2015 to 1 July 20152016: 20 June 2016 to 28 July 20162017: 19 June 2017 to 15 July 20172018: 26 July 2018 to 9 August 20182020: 12 July 2020 to 6 September 20202021: 15 June 2021 to 12 July 20212022: 22 July 2022 to 7 September 20222023: 15 July 2023 to 23 July 20232024: 25 June 2024 to 7 August 20242025: 11 July 2025 to 21 August 20252026: 9 July 2026 to 9 August 20262006200920122015201820222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Long Flat meeting 30 C (86 F).
First to last qualifying date each year at Long Flat
YearFirst dateLast date
20062006-07-162006-07-16
20072007-07-032007-07-14
20082008-07-102008-07-10
20092009-07-172009-07-17
20102010-07-162010-07-18
20112011-08-242011-08-24
20122012-07-092012-07-11
20132013-06-282013-07-10
20142014-07-012014-07-01
20152015-06-262015-07-01
20162016-06-202016-07-28
20172017-06-192017-07-15
20182018-07-262018-08-09
20202020-07-122020-09-06
20212021-06-152021-07-12
20222022-07-222022-09-07
20232023-07-152023-07-23
20242024-06-252024-08-07
20252025-07-112025-08-21
20262026-07-092026-08-09

Every Fixed Threshold

Fixed thresholds at Long Flat
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2016202014
90 F (32.2 C): Days7420213
0 C (32 F): Ice days (max213120085
0 C (32 F): Frost days (min21188201181
-10 C (14 F): Days with min214220138
-20 C (-4 F): Days with min10820131
20 C (68 F): Tropical nights (min5220162
10 mm (0.39 in): Days with 10 mm or more rain4640201014
25 mm (0.98 in): Days with 25 mm or more rain42820103
50 mm (1.97 in): Days with 50 mm or more rain8219831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2006.

Download the Data

  • Data for Long Flat 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 (2026-10-17).