Built 2026-10-19 (19 October 2026)

Summit Lake Threshold Days by Year (USS0022F14S)

11 fixed thresholds counted per year at Summit Lake (USS0022F14S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Summit Lake Thresholds

  • Summit Lake: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1982 with 94.
  • Summit Lake: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1996 with 40.
  • Summit Lake: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1996 with 7.
  • Summit Lake: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1987 with 74.
  • 11 fixed thresholds have at least one qualifying day at Summit Lake.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Summit Lake Days per year at Summit Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 2013. 0510151986: 81987: 71990: 21991: 11992: 31994: 31996: 71998: 82001: 12002: 62003: 62004: 12005: 22006: 52008: 12013: 122015: 12017: 22021: 32022: 42024: 31986199119962002200520132021
Days per year at Summit Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 2013.
Days at or above 30 C (86 F) per year at Summit Lake
YearDaysDecade average
198687.5
198777.5
199024
199114
199234
199434
199674
199884
200113.1
200263.1
200363.1
200413.1
200523.1
200653.1
200813.1
2013125
201515
201725
202133.3
202243.3
202433.3
First to last qualifying date each year at Summit Lake For each year, a bar from the first to the last day at Summit Lake meeting 30 C (86 F). 1986: 10 June 1986 to 3 September 19861987: 25 June 1987 to 21 September 19871990: 10 July 1990 to 4 August 19901991: 2 July 1991 to 2 July 19911992: 22 June 1992 to 11 August 19921994: 19 July 1994 to 21 July 19941996: 13 July 1996 to 13 August 19961998: 26 July 1998 to 1 September 19982001: 3 July 2001 to 3 July 20012002: 9 July 2002 to 13 August 20022003: 28 June 2003 to 2 September 20032004: 23 July 2004 to 23 July 20042005: 17 July 2005 to 27 July 20052006: 24 June 2006 to 22 July 20062008: 16 August 2008 to 16 August 20082013: 8 June 2013 to 25 July 20132015: 26 June 2015 to 26 June 20152017: 2 August 2017 to 5 September 20172021: 27 June 2021 to 29 June 20212022: 28 July 2022 to 31 July 20222024: 5 July 2024 to 8 July 20241986199119962002200520132021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Summit Lake meeting 30 C (86 F).
First to last qualifying date each year at Summit Lake
YearFirst dateLast date
19861986-06-101986-09-03
19871987-06-251987-09-21
19901990-07-101990-08-04
19911991-07-021991-07-02
19921992-06-221992-08-11
19941994-07-191994-07-21
19961996-07-131996-08-13
19981998-07-261998-09-01
20012001-07-032001-07-03
20022002-07-092002-08-13
20032003-06-282003-09-02
20042004-07-232004-07-23
20052005-07-172005-07-27
20062006-06-242006-07-22
20082008-08-162008-08-16
20132013-06-082013-07-25
20152015-06-262015-06-26
20172017-08-022017-09-05
20212021-06-272021-06-29
20222022-07-282022-07-31
20242024-07-052024-07-08

Every Fixed Threshold

Fixed thresholds at Summit Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days211220133
35 C (95 F): Days1120021
90 F (32.2 C): Days8520131
0 C (32 F): Ice days (max377419876
0 C (32 F): Frost days (min332671999110
-10 C (14 F): Days with min334719943
-20 C (-4 F): Days with min12919902
10 mm (0.39 in): Days with 10 mm or more rain4594198235
25 mm (0.98 in): Days with 25 mm or more rain4540199610
50 mm (1.97 in): Days with 50 mm or more rain40719962
100 mm (3.94 in): Days with 100 mm or more rain4119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

  • Data for Summit 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).