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Built 2026-10-19 (19 October 2026)

Copeland Lake Threshold Days by Year (USS0005J18S)

13 fixed thresholds counted per year at Copeland Lake (USS0005J18S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Copeland Lake Thresholds

  • Copeland Lake: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1995 with 39.
  • Copeland Lake: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1984 with 5.
  • Copeland Lake: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1996 with 64.
  • Copeland Lake: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1999 with 230.
  • 13 fixed thresholds have at least one qualifying day at Copeland Lake.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Copeland Lake Days per year at Copeland Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 2012. 0510151990: 41994: 21995: 21996: 11998: 42000: 22001: 22002: 82003: 92005: 62006: 12008: 22011: 42012: 122014: 22015: 12016: 12018: 12020: 12021: 32024: 12026: 519901996200120052011201520202026
Days per year at Copeland Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 2012.
Days at or above 30 C (86 F) per year at Copeland Lake
YearDaysDecade average
199042.6
199422.6
199522.6
199612.6
199842.6
200024.3
200124.3
200284.3
200394.3
200564.3
200614.3
200824.3
201143.5
2012123.5
201423.5
201513.5
201613.5
201813.5
202012.5
202132.5
202412.5
202652.5
First to last qualifying date each year at Copeland Lake For each year, a bar from the first to the last day at Copeland Lake meeting 30 C (86 F). 1990: 27 June 1990 to 1 July 19901994: 26 June 1994 to 6 August 19941995: 28 July 1995 to 29 July 19951996: 12 August 1996 to 12 August 19961998: 2 July 1998 to 20 July 19982000: 8 August 2000 to 11 August 20002001: 30 June 2001 to 1 July 20012002: 30 June 2002 to 16 August 20022003: 8 July 2003 to 25 July 20032005: 14 July 2005 to 23 July 20052006: 15 July 2006 to 15 July 20062008: 1 August 2008 to 2 August 20082011: 9 July 2011 to 4 August 20112012: 23 June 2012 to 14 August 20122014: 26 May 2014 to 6 August 20142015: 19 June 2015 to 19 June 20152016: 30 July 2016 to 30 July 20162018: 28 June 2018 to 28 June 20182020: 5 September 2020 to 5 September 20202021: 14 June 2021 to 16 June 20212024: 13 July 2024 to 13 July 20242026: 20 July 2026 to 21 August 202619901996200120052011201520202026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Copeland Lake meeting 30 C (86 F).
First to last qualifying date each year at Copeland Lake
YearFirst dateLast date
19901990-06-271990-07-01
19941994-06-261994-08-06
19951995-07-281995-07-29
19961996-08-121996-08-12
19981998-07-021998-07-20
20002000-08-082000-08-11
20012001-06-302001-07-01
20022002-06-302002-08-16
20032003-07-082003-07-25
20052005-07-142005-07-23
20062006-07-152006-07-15
20082008-08-012008-08-02
20112011-07-092011-08-04
20122012-06-232012-08-14
20142014-05-262014-08-06
20152015-06-192015-06-19
20162016-07-302016-07-30
20182018-06-282018-06-28
20202020-09-052020-09-05
20212021-06-142021-06-16
20242024-07-132024-07-13
20262026-07-202026-08-21

Every Fixed Threshold

Fixed thresholds at Copeland Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days221220125
35 C (95 F): Days2220122
40 C (104 F): Days1120111
90 F (32.2 C): Days5520121
100 F (37.8 C): Days1120111
0 C (32 F): Ice days (max3564199617
0 C (32 F): Frost days (min322301999101
-10 C (14 F): Days with min3272199712
-20 C (-4 F): Days with min291520143
-30 C (-22 F): Days with min1120051
10 mm (0.39 in): Days with 10 mm or more rain4439199512
25 mm (0.98 in): Days with 25 mm or more rain42519842
50 mm (1.97 in): Days with 50 mm or more rain8219991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Copeland Lake 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).