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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Keno Threshold Days by Year (USC00354403)

15 fixed thresholds counted per year at Keno (USC00354403): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Keno Thresholds

  • Keno: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 1996 with 26.
  • Keno: days with 10 cm (3.9 in) or more of snowfall in 82 years, most in 1956 with 10.
  • Keno: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 2005 with 6.
  • Keno: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1998 with 3.
  • 15 fixed thresholds have at least one qualifying day at Keno.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Keno Days per year at Keno with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2017. 0204060802011: 522012: 612013: 632014: 542016: 482017: 762018: 582019: 582020: 702023: 472024: 53201120132016201820202024
Days per year at Keno with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2017.
Days at or above 30 C (86 F) per year at Keno
YearDaysDecade average
20115258.8
20126158.8
20136358.8
20145458.8
20164858.8
20177658.8
20185858.8
20195858.8
20207056.7
20234756.7
20245356.7
First to last qualifying date each year at Keno For each year, a bar from the first to the last day at Keno meeting 30 C (86 F). 2011: 22 June 2011 to 25 September 20112012: 1 June 2012 to 1 October 20122013: 12 May 2013 to 15 September 20132014: 15 May 2014 to 21 September 20142016: 4 June 2016 to 29 September 20162017: 24 May 2017 to 12 September 20172018: 4 June 2018 to 28 September 20182019: 12 June 2019 to 15 September 20192020: 29 May 2020 to 2 October 20202023: 21 May 2023 to 17 September 20232024: 7 June 2024 to 9 September 2024201120132016201820202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Keno meeting 30 C (86 F).
First to last qualifying date each year at Keno
YearFirst dateLast date
20112011-06-222011-09-25
20122012-06-012012-10-01
20132013-05-122013-09-15
20142014-05-152014-09-21
20162016-06-042016-09-29
20172017-05-242017-09-12
20182018-06-042018-09-28
20192019-06-122019-09-15
20202020-05-292020-10-02
20232023-05-212023-09-17
20242024-06-072024-09-09

Every Fixed Threshold

Fixed thresholds at Keno
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1176201753
35 C (95 F): Days918201715
40 C (104 F): Days1120241
90 F (32.2 C): Days1147201733
100 F (37.8 C): Days5520245
0 C (32 F): Ice days (max122020138
0 C (32 F): Frost days (min12213201349
-10 C (14 F): Days with min1239201313
-20 C (-4 F): Days with min5620133
10 mm (0.39 in): Days with 10 mm or more rain892619965
25 mm (0.98 in): Days with 25 mm or more rain68620055
50 mm (1.97 in): Days with 50 mm or more rain19319981
100 mm (3.94 in): Days with 100 mm or more rain2119981
10 cm (3.9 in): Days with 10 cm or more snowfall821019563
25 cm (9.8 in): Days with 25 cm or more snowfall16319961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2011.

Download the Data

  • Data for Keno 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 (2025-12-31).