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

Skyline 1 SE Threshold Days by Year (USC00157431)

15 fixed thresholds counted per year at Skyline 1 SE (USC00157431): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Skyline 1 SE Thresholds

  • Skyline 1 SE: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1996 with 59.
  • Skyline 1 SE: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1994 with 18.
  • Skyline 1 SE: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 2004 with 4.
  • Skyline 1 SE: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 1978 with 4.
  • 15 fixed thresholds have at least one qualifying day at Skyline 1 SE.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Skyline 1 SE Days per year at Skyline 1 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2016. 02550751002011: 672012: 652013: 382014: 582015: 612016: 862017: 502018: 512019: 702020: 322021: 352022: 552023: 372024: 612025: 602026: 6420112013201520172019202120232025
Days per year at Skyline 1 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2016.
Days at or above 30 C (86 F) per year at Skyline 1 SE
YearDaysDecade average
20116760.7
20126560.7
20133860.7
20145860.7
20156160.7
20168660.7
20175060.7
20185160.7
20197060.7
20203249.1
20213549.1
20225549.1
20233749.1
20246149.1
20256049.1
20266449.1
First to last qualifying date each year at Skyline 1 SE For each year, a bar from the first to the last day at Skyline 1 SE meeting 30 C (86 F). 2011: 11 April 2011 to 15 September 20112012: 21 March 2012 to 8 September 20122013: 11 April 2013 to 6 October 20132014: 28 April 2014 to 12 September 20142015: 10 April 2015 to 9 September 20152016: 19 April 2016 to 21 October 20162017: 15 April 2017 to 8 October 20172018: 4 May 2018 to 22 September 20182019: 19 May 2019 to 6 October 20192020: 18 May 2020 to 13 September 20202021: 22 May 2021 to 30 August 20212022: 24 April 2022 to 22 September 20222023: 6 April 2023 to 7 September 20232024: 16 April 2024 to 23 September 20242025: 4 April 2025 to 20 September 20252026: 23 March 2026 to 3 October 202620112013201520172019202120232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Skyline 1 SE meeting 30 C (86 F).
First to last qualifying date each year at Skyline 1 SE
YearFirst dateLast date
20112011-04-112011-09-15
20122012-03-212012-09-08
20132013-04-112013-10-06
20142014-04-282014-09-12
20152015-04-102015-09-09
20162016-04-192016-10-21
20172017-04-152017-10-08
20182018-05-042018-09-22
20192019-05-192019-10-06
20202020-05-182020-09-13
20212021-05-222021-08-30
20222022-04-242022-09-22
20232023-04-062023-09-07
20242024-04-162024-09-23
20252025-04-042025-09-20
20262026-03-232026-10-03

Every Fixed Threshold

Fixed thresholds at Skyline 1 SE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1686201664
35 C (95 F): Days4820122
90 F (32.2 C): Days1629202419
100 F (37.8 C): Days1320123
0 C (32 F): Ice days (max1615201514
0 C (32 F): Frost days (min16121202266
-10 C (14 F): Days with min1520201411
-20 C (-4 F): Days with min1220142
20 C (68 F): Tropical nights (min1650201631
10 mm (0.39 in): Days with 10 mm or more rain5159199625
25 mm (0.98 in): Days with 25 mm or more rain511819945
50 mm (1.97 in): Days with 50 mm or more rain34420042
100 mm (3.94 in): Days with 100 mm or more rain1120111
10 cm (3.9 in): Days with 10 cm or more snowfall31419781
25 cm (9.8 in): Days with 25 cm or more snowfall4119851

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 Skyline 1 SE 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).