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Built 2026-10-19 (19 October 2026)

Sevenmile Marsh Threshold Days by Year (USS0022G33S)

12 fixed thresholds counted per year at Sevenmile Marsh (USS0022G33S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sevenmile Marsh Thresholds

  • Sevenmile Marsh: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1996 with 93.
  • Sevenmile Marsh: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1984 with 33.
  • Sevenmile Marsh: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1990 with 53.
  • Sevenmile Marsh: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1996 with 11.
  • 12 fixed thresholds have at least one qualifying day at Sevenmile Marsh.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Sevenmile Marsh Days per year at Sevenmile Marsh with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1998. 051015201987: 61988: 181990: 141991: 101992: 131993: 31994: 91995: 31996: 181997: 11998: 191999: 42000: 52001: 72002: 122003: 162004: 62005: 82006: 72007: 22008: 32009: 22012: 22015: 42016: 22017: 72018: 12020: 22021: 62022: 112023: 32024: 92025: 22026: 4198719921996200020042008201620212025
Days per year at Sevenmile Marsh with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1998.
Days at or above 30 C (86 F) per year at Sevenmile Marsh
YearDaysDecade average
1987612
19881812
1990149.4
1991109.4
1992139.4
199339.4
199499.4
199539.4
1996189.4
199719.4
1998199.4
199949.4
200056.8
200176.8
2002126.8
2003166.8
200466.8
200586.8
200676.8
200726.8
200836.8
200926.8
201223.2
201543.2
201623.2
201773.2
201813.2
202025.3
202165.3
2022115.3
202335.3
202495.3
202525.3
202645.3
First to last qualifying date each year at Sevenmile Marsh For each year, a bar from the first to the last day at Sevenmile Marsh meeting 30 C (86 F). 1987: 25 June 1987 to 22 September 19871988: 18 July 1988 to 4 September 19881990: 10 July 1990 to 10 September 19901991: 2 July 1991 to 25 September 19911992: 21 June 1992 to 18 August 19921993: 1 August 1993 to 9 September 19931994: 7 July 1994 to 27 September 19941995: 16 July 1995 to 14 September 19951996: 7 July 1996 to 29 August 19961997: 5 August 1997 to 5 August 19971998: 16 July 1998 to 6 September 19981999: 11 July 1999 to 26 August 19992000: 29 July 2000 to 8 August 20002001: 3 July 2001 to 13 August 20012002: 9 July 2002 to 16 August 20022003: 6 June 2003 to 2 September 20032004: 23 July 2004 to 13 August 20042005: 14 July 2005 to 6 August 20052006: 25 June 2006 to 26 July 20062007: 4 July 2007 to 10 July 20072008: 14 August 2008 to 16 August 20082009: 1 August 2009 to 19 August 20092012: 12 August 2012 to 13 August 20122015: 26 June 2015 to 31 July 20152016: 18 August 2016 to 19 August 20162017: 31 July 2017 to 5 September 20172018: 9 August 2018 to 9 August 20182020: 15 August 2020 to 3 September 20202021: 27 June 2021 to 15 August 20212022: 25 July 2022 to 6 September 20222023: 15 July 2023 to 16 August 20232024: 5 July 2024 to 1 August 20242025: 13 July 2025 to 11 August 20252026: 4 August 2026 to 7 August 20261987199319982003200820172023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sevenmile Marsh meeting 30 C (86 F).
First to last qualifying date each year at Sevenmile Marsh
YearFirst dateLast date
19871987-06-251987-09-22
19881988-07-181988-09-04
19901990-07-101990-09-10
19911991-07-021991-09-25
19921992-06-211992-08-18
19931993-08-011993-09-09
19941994-07-071994-09-27
19951995-07-161995-09-14
19961996-07-071996-08-29
19971997-08-051997-08-05
19981998-07-161998-09-06
19991999-07-111999-08-26
20002000-07-292000-08-08
20012001-07-032001-08-13
20022002-07-092002-08-16
20032003-06-062003-09-02
20042004-07-232004-08-13
20052005-07-142005-08-06
20062006-06-252006-07-26
20072007-07-042007-07-10
20082008-08-142008-08-16
20092009-08-012009-08-19
20122012-08-122012-08-13
20152015-06-262015-07-31
20162016-08-182016-08-19
20172017-07-312017-09-05
20182018-08-092018-08-09
20202020-08-152020-09-03
20212021-06-272021-08-15
20222022-07-252022-09-06
20232023-07-152023-08-16
20242024-07-052024-08-01
20252025-07-132025-08-11
20262026-08-042026-08-07

Every Fixed Threshold

Fixed thresholds at Sevenmile Marsh
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days341919984
35 C (95 F): Days3220021
90 F (32.2 C): Days141119984
0 C (32 F): Ice days (max405319908
0 C (32 F): Frost days (min36203199865
-10 C (14 F): Days with min341819942
-20 C (-4 F): Days with min2319892
20 C (68 F): Tropical nights (min1120221
10 mm (0.39 in): Days with 10 mm or more rain4693199624
25 mm (0.98 in): Days with 25 mm or more rain463319845
50 mm (1.97 in): Days with 50 mm or more rain371119963
100 mm (3.94 in): Days with 100 mm or more rain8220142

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1987.

Download the Data

  • Data for Sevenmile Marsh 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).