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

Signal Peak Threshold Days by Year (USS0008T01S)

10 fixed thresholds counted per year at Signal Peak (USS0008T01S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Signal Peak Thresholds

  • Signal Peak: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1983 with 37.
  • Signal Peak: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1986 with 12.
  • Signal Peak: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 2001 with 19.
  • Signal Peak: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1998 with 140.
  • 10 fixed thresholds have at least one qualifying day at Signal Peak.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Signal Peak Days per year at Signal Peak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2002. 051015201990: 131991: 11992: 41994: 151995: 51996: 71998: 61999: 32000: 92002: 182005: 92006: 62007: 52008: 52010: 32011: 92012: 82013: 42014: 32015: 12016: 42017: 32018: 32020: 42021: 62023: 1199019941998200220072011201420172021
Days per year at Signal Peak with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2002.
Days at or above 30 C (86 F) per year at Signal Peak
YearDaysDecade average
1990136.8
199116.8
199246.8
1994156.8
199556.8
199676.8
199866.8
199936.8
200098.7
2002188.7
200598.7
200668.7
200758.7
200858.7
201034.2
201194.2
201284.2
201344.2
201434.2
201514.2
201644.2
201734.2
201834.2
202043.7
202163.7
202313.7
First to last qualifying date each year at Signal Peak For each year, a bar from the first to the last day at Signal Peak meeting 30 C (86 F). 1990: 3 June 1990 to 29 June 19901991: 25 June 1991 to 25 June 19911992: 5 July 1992 to 10 August 19921994: 10 June 1994 to 14 July 19941995: 26 July 1995 to 3 August 19951996: 12 May 1996 to 6 July 19961998: 27 June 1998 to 14 July 19981999: 28 June 1999 to 1 July 19992000: 23 May 2000 to 16 June 20002002: 30 May 2002 to 13 July 20022005: 22 May 2005 to 18 July 20052006: 13 June 2006 to 14 July 20062007: 26 June 2007 to 3 July 20072008: 15 June 2008 to 19 June 20082010: 5 June 2010 to 23 June 20102011: 22 June 2011 to 9 July 20112012: 20 June 2012 to 30 June 20122013: 9 June 2013 to 12 June 20132014: 3 June 2014 to 26 July 20142015: 21 June 2015 to 21 June 20152016: 18 June 2016 to 15 July 20162017: 18 June 2017 to 23 June 20172018: 21 June 2018 to 23 July 20182020: 10 July 2020 to 13 July 20202021: 12 June 2021 to 21 June 20212023: 16 July 2023 to 16 July 20231990199520002007201220162021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Signal Peak meeting 30 C (86 F).
First to last qualifying date each year at Signal Peak
YearFirst dateLast date
19901990-06-031990-06-29
19911991-06-251991-06-25
19921992-07-051992-08-10
19941994-06-101994-07-14
19951995-07-261995-08-03
19961996-05-121996-07-06
19981998-06-271998-07-14
19991999-06-281999-07-01
20002000-05-232000-06-16
20022002-05-302002-07-13
20052005-05-222005-07-18
20062006-06-132006-07-14
20072007-06-262007-07-03
20082008-06-152008-06-19
20102010-06-052010-06-23
20112011-06-222011-07-09
20122012-06-202012-06-30
20132013-06-092013-06-12
20142014-06-032014-07-26
20152015-06-212015-06-21
20162016-06-182016-07-15
20172017-06-182017-06-23
20182018-06-212018-07-23
20202020-07-102020-07-13
20212021-06-122021-06-21
20232023-07-162023-07-16

Every Fixed Threshold

Fixed thresholds at Signal Peak
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days261820021
35 C (95 F): Days1119941
90 F (32.2 C): Days6719941
0 C (32 F): Ice days (max351920015
0 C (32 F): Frost days (min33140199830
-10 C (14 F): Days with min331620132
-20 C (-4 F): Days with min1220112
10 mm (0.39 in): Days with 10 mm or more rain4537198326
25 mm (0.98 in): Days with 25 mm or more rain451219863
50 mm (1.97 in): Days with 50 mm or more rain15419861

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 Signal Peak 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).