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Built 2026-10-19 (19 October 2026)

Cowanesque Dam Threshold Days by Year (USC00361838)

15 fixed thresholds counted per year at Cowanesque Dam (USC00361838): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cowanesque Dam Thresholds

  • Cowanesque Dam: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1999 with 48.
  • Cowanesque Dam: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 2014 with 67.
  • Cowanesque Dam: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 2011 with 45.
  • Cowanesque Dam: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 2018 with 17.
  • 15 fixed thresholds have at least one qualifying day at Cowanesque Dam.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Cowanesque Dam Days per year at Cowanesque Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1999. 02040601994: 281995: 381996: 271997: 241998: 391999: 482000: 202001: 302002: 442003: 122004: 42005: 412006: 192007: 272008: 192009: 132010: 442011: 332012: 352013: 242014: 52015: 182016: 392017: 132018: 212019: 112020: 382021: 222022: 332023: 182024: 222025: 252026: 18199419982002200620102014201820222026
Days per year at Cowanesque Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1999.
Days at or above 30 C (86 F) per year at Cowanesque Dam
YearDaysDecade average
19942834
19953834
19962734
19972434
19983934
19994834
20002022.9
20013022.9
20024422.9
20031222.9
2004422.9
20054122.9
20061922.9
20072722.9
20081922.9
20091322.9
20104424.3
20113324.3
20123524.3
20132424.3
2014524.3
20151824.3
20163924.3
20171324.3
20182124.3
20191124.3
20203825.1
20212225.1
20223325.1
20231825.1
20242225.1
20252525.1
20261825.1
First to last qualifying date each year at Cowanesque Dam For each year, a bar from the first to the last day at Cowanesque Dam meeting 30 C (86 F). 1994: 26 April 1994 to 4 August 19941995: 8 June 1995 to 8 September 19951996: 19 May 1996 to 27 August 19961997: 11 June 1997 to 3 September 19971998: 1 April 1998 to 28 September 19981999: 31 May 1999 to 7 September 19992000: 8 May 2000 to 13 September 20002001: 2 May 2001 to 16 August 20012002: 17 April 2002 to 11 September 20022003: 25 June 2003 to 30 August 20032004: 13 May 2004 to 29 August 20042005: 6 June 2005 to 21 August 20052006: 30 May 2006 to 8 August 20062007: 16 May 2007 to 26 September 20072008: 7 June 2008 to 7 September 20082009: 26 April 2009 to 21 August 20092010: 2 May 2010 to 25 September 20102011: 31 May 2011 to 5 September 20112012: 4 May 2012 to 7 September 20122013: 22 May 2013 to 12 September 20132014: 2 July 2014 to 6 September 20142015: 9 May 2015 to 10 September 20152016: 28 May 2016 to 11 September 20162017: 18 May 2017 to 28 September 20172018: 29 May 2018 to 7 September 20182019: 29 June 2019 to 12 September 20192020: 27 May 2020 to 11 September 20202021: 21 May 2021 to 29 August 20212022: 22 May 2022 to 30 August 20222023: 14 April 2023 to 8 September 20232024: 18 June 2024 to 28 August 20242025: 5 June 2025 to 17 August 20252026: 18 May 2026 to 7 August 20261994199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cowanesque Dam meeting 30 C (86 F).
First to last qualifying date each year at Cowanesque Dam
YearFirst dateLast date
19941994-04-261994-08-04
19951995-06-081995-09-08
19961996-05-191996-08-27
19971997-06-111997-09-03
19981998-04-011998-09-28
19991999-05-311999-09-07
20002000-05-082000-09-13
20012001-05-022001-08-16
20022002-04-172002-09-11
20032003-06-252003-08-30
20042004-05-132004-08-29
20052005-06-062005-08-21
20062006-05-302006-08-08
20072007-05-162007-09-26
20082008-06-072008-09-07
20092009-04-262009-08-21
20102010-05-022010-09-25
20112011-05-312011-09-05
20122012-05-042012-09-07
20132013-05-222013-09-12
20142014-07-022014-09-06
20152015-05-092015-09-10
20162016-05-282016-09-11
20172017-05-182017-09-28
20182018-05-292018-09-07
20192019-06-292019-09-12
20202020-05-272020-09-11
20212021-05-212021-08-29
20222022-05-222022-08-30
20232023-04-142023-09-08
20242024-06-182024-08-28
20252025-06-052025-08-17
20262026-05-182026-08-07

Every Fixed Threshold

Fixed thresholds at Cowanesque Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3348199918
35 C (95 F): Days8619992
90 F (32.2 C): Days292719999
100 F (37.8 C): Days1220112
0 C (32 F): Ice days (max3367201435
0 C (32 F): Frost days (min31186199495
-10 C (14 F): Days with min3174199433
-20 C (-4 F): Days with min2426199413
-30 C (-22 F): Days with min2419942
20 C (68 F): Tropical nights (min21820163
10 mm (0.39 in): Days with 10 mm or more rain3345201128
25 mm (0.98 in): Days with 25 mm or more rain331720183
50 mm (1.97 in): Days with 50 mm or more rain22520051
10 cm (3.9 in): Days with 10 cm or more snowfall30819941
25 cm (9.8 in): Days with 25 cm or more snowfall6219941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Cowanesque Dam 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).