Daily records
Page built 2026-10-18
Data as of 2026-10-17
Search
Built 2026-10-18 (18 October 2026)

Porcupine Threshold Days by Year

11 fixed thresholds counted per year at Porcupine (USS0010C03S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Porcupine Thresholds

  • Porcupine: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1983 with 32.
  • Porcupine: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1993 with 8.
  • Porcupine: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 1997 with 96.
  • Porcupine: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1996 with 231.
  • 11 fixed thresholds have at least one qualifying day at Porcupine.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Porcupine Days per year at Porcupine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 2007. 01020301991: 51992: 11994: 21996: 51998: 21999: 12000: 62001: 52002: 42003: 142004: 12005: 12006: 92007: 212008: 52010: 12011: 42012: 132013: 22014: 12015: 42016: 22017: 82018: 42020: 42021: 92022: 92023: 32024: 62025: 52026: 419911998200220062011201520202024
Days per year at Porcupine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 2007.
Days at or above 30 C (86 F) per year at Porcupine
YearDaysDecade average
199152.7
199212.7
199422.7
199652.7
199822.7
199912.7
200067.3
200157.3
200247.3
2003147.3
200417.3
200517.3
200697.3
2007217.3
200857.3
201014.3
201144.3
2012134.3
201324.3
201414.3
201544.3
201624.3
201784.3
201844.3
202045.7
202195.7
202295.7
202335.7
202465.7
202555.7
202645.7
First to last qualifying date each year at Porcupine For each year, a bar from the first to the last day at Porcupine meeting 30 C (86 F). 1991: 13 July 1991 to 31 August 19911992: 27 August 1992 to 27 August 19921994: 14 August 1994 to 15 August 19941996: 2 July 1996 to 24 August 19961998: 17 July 1998 to 6 August 19981999: 28 July 1999 to 28 July 19992000: 14 July 2000 to 9 August 20002001: 2 August 2001 to 18 August 20012002: 11 July 2002 to 14 July 20022003: 16 July 2003 to 15 August 20032004: 17 July 2004 to 17 July 20042005: 13 July 2005 to 13 July 20052006: 15 July 2006 to 7 August 20062007: 28 June 2007 to 2 September 20072008: 4 July 2008 to 25 August 20082010: 26 August 2010 to 26 August 20102011: 3 July 2011 to 26 August 20112012: 24 June 2012 to 28 August 20122013: 24 July 2013 to 16 August 20132014: 12 August 2014 to 12 August 20142015: 27 June 2015 to 11 August 20152016: 2 August 2016 to 31 August 20162017: 5 July 2017 to 3 September 20172018: 6 July 2018 to 11 August 20182020: 31 July 2020 to 5 September 20202021: 14 June 2021 to 14 August 20212022: 13 July 2022 to 7 September 20222023: 22 July 2023 to 17 August 20232024: 23 July 2024 to 18 August 20242025: 9 July 2025 to 20 August 20252026: 11 July 2026 to 1 August 202619911998200220062011201520202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Porcupine meeting 30 C (86 F).
First to last qualifying date each year at Porcupine
YearFirst dateLast date
19911991-07-131991-08-31
19921992-08-271992-08-27
19941994-08-141994-08-15
19961996-07-021996-08-24
19981998-07-171998-08-06
19991999-07-281999-07-28
20002000-07-142000-08-09
20012001-08-022001-08-18
20022002-07-112002-07-14
20032003-07-162003-08-15
20042004-07-172004-07-17
20052005-07-132005-07-13
20062006-07-152006-08-07
20072007-06-282007-09-02
20082008-07-042008-08-25
20102010-08-262010-08-26
20112011-07-032011-08-26
20122012-06-242012-08-28
20132013-07-242013-08-16
20142014-08-122014-08-12
20152015-06-272015-08-11
20162016-08-022016-08-31
20172017-07-052017-09-03
20182018-07-062018-08-11
20202020-07-312020-09-05
20212021-06-142021-08-14
20222022-07-132022-09-07
20232023-07-222023-08-17
20242024-07-232024-08-18
20252025-07-092025-08-20
20262026-07-112026-08-01

Every Fixed Threshold

Fixed thresholds at Porcupine
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days312120074
90 F (32.2 C): Days15720072
0 C (32 F): Ice days (max3696199720
0 C (32 F): Frost days (min34231199696
-10 C (14 F): Days with min3482199611
-20 C (-4 F): Days with min3127199610
-30 C (-22 F): Days with min13420222
10 mm (0.39 in): Days with 10 mm or more rain4832198319
25 mm (0.98 in): Days with 25 mm or more rain43819935
50 mm (1.97 in): Days with 50 mm or more rain4119791
100 mm (3.94 in): Days with 100 mm or more rain1119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Porcupine 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).