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

Lyman Lake Threshold Days by Year (USS0020A23S)

13 fixed thresholds counted per year at Lyman Lake (USS0020A23S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lyman Lake Thresholds

  • Lyman Lake: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1988 with 94.
  • Lyman Lake: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1999 with 34.
  • Lyman Lake: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1990 with 11.
  • Lyman Lake: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1999 with 142.
  • 13 fixed thresholds have at least one qualifying day at Lyman Lake.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Lyman Lake Days per year at Lyman Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1992. 01020301992: 221994: 11995: 21996: 61997: 21998: 71999: 72003: 32004: 42010: 22021: 1199219951997199920042021
Days per year at Lyman Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1992.
Days at or above 30 C (86 F) per year at Lyman Lake
YearDaysDecade average
1992226.7
199416.7
199526.7
199666.7
199726.7
199876.7
199976.7
200333.5
200443.5
201022
202111
First to last qualifying date each year at Lyman Lake For each year, a bar from the first to the last day at Lyman Lake meeting 30 C (86 F). 1992: 23 May 1992 to 17 August 19921994: 23 July 1994 to 23 July 19941995: 17 July 1995 to 18 July 19951996: 14 July 1996 to 26 August 19961997: 5 August 1997 to 6 August 19971998: 25 July 1998 to 31 August 19981999: 2 August 1999 to 20 September 19992003: 21 July 2003 to 3 September 20032004: 23 June 2004 to 14 August 20042010: 23 July 2010 to 26 July 20102021: 29 June 2021 to 29 June 2021199219951997199920042021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lyman Lake meeting 30 C (86 F).
First to last qualifying date each year at Lyman Lake
YearFirst dateLast date
19921992-05-231992-08-17
19941994-07-231994-07-23
19951995-07-171995-07-18
19961996-07-141996-08-26
19971997-08-051997-08-06
19981998-07-251998-08-31
19991999-08-021999-09-20
20032003-07-212003-09-03
20042004-06-232004-08-14
20102010-07-232010-07-26
20212021-06-292021-06-29

Every Fixed Threshold

Fixed thresholds at Lyman Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days112219921
35 C (95 F): Days1819928
90 F (32.2 C): Days51519922
100 F (37.8 C): Days1119921
0 C (32 F): Ice days (max35142199928
0 C (32 F): Frost days (min352612000110
-10 C (14 F): Days with min3572199610
-20 C (-4 F): Days with min16619901
-30 C (-22 F): Days with min1120241
10 mm (0.39 in): Days with 10 mm or more rain4494198830
25 mm (0.98 in): Days with 25 mm or more rain443419998
50 mm (1.97 in): Days with 50 mm or more rain411119904
100 mm (3.94 in): Days with 100 mm or more rain9319901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for Lyman 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).