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

Deep Portage Threshold Days by Year (USC00212050)

15 fixed thresholds counted per year at Deep Portage (USC00212050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deep Portage Thresholds

  • Deep Portage: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 2007 with 6.
  • Deep Portage: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 2010 with 27.
  • Deep Portage: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 2007 with 6.
  • Deep Portage: days with a maximum temperature at or above 30 C (86 F) in 8 years, most in 2007 with 25.
  • 15 fixed thresholds have at least one qualifying day at Deep Portage.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Deep Portage Days per year at Deep Portage with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 25 in 2007. 01020301990: 101991: 161992: 11994: 12007: 252008: 62009: 52010: 1419901991199219942007200820092010
Days per year at Deep Portage with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 25 in 2007.
Days at or above 30 C (86 F) per year at Deep Portage
YearDaysDecade average
1990107
1991167
199217
199417
20072512
2008612
2009512
20101414
First to last qualifying date each year at Deep Portage For each year, a bar from the first to the last day at Deep Portage meeting 30 C (86 F). 1990: 26 June 1990 to 1 September 19901991: 15 May 1991 to 30 August 19911992: 9 August 1992 to 9 August 19921994: 4 August 1994 to 4 August 19942007: 15 May 2007 to 5 September 20072008: 1 July 2008 to 1 September 20082009: 20 May 2009 to 15 August 20092010: 25 May 2010 to 31 August 201019901991199219942007200820092010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deep Portage meeting 30 C (86 F).
First to last qualifying date each year at Deep Portage
YearFirst dateLast date
19901990-06-261990-09-01
19911991-05-151991-08-30
19921992-08-091992-08-09
19941994-08-041994-08-04
20072007-05-152007-09-05
20082008-07-012008-09-01
20092009-05-202009-08-15
20102010-05-252010-08-31

Every Fixed Threshold

Fixed thresholds at Deep Portage
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days825200714
35 C (95 F): Days1119901
90 F (32.2 C): Days5620072
0 C (32 F): Ice days (max8108200888
0 C (32 F): Frost days (min71891992146
-10 C (14 F): Days with min797200885
-20 C (-4 F): Days with min750200827
-30 C (-22 F): Days with min71019903
20 C (68 F): Tropical nights (min6920076
10 mm (0.39 in): Days with 10 mm or more rain1327201027
25 mm (0.98 in): Days with 25 mm or more rain13620075
50 mm (1.97 in): Days with 50 mm or more rain5120081
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall18620072
25 cm (9.8 in): Days with 25 cm or more snowfall3120081

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 Deep Portage 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).