Built 2026-10-19 (19 October 2026)

Powassan Threshold Days by Year (CA006116702)

14 fixed thresholds counted per year at Powassan (CA006116702): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Powassan Thresholds

  • Powassan: days with a maximum temperature at or above 30 C (86 F) in 9 years, most in 1975 with 13.
  • Powassan: days with a maximum temperature at or below 0 C (32 F) in 9 years, most in 1978 with 111.
  • Powassan: nights with a minimum temperature at or below 0 C (32 F) in 9 years, most in 1978 with 197.
  • Powassan: nights with a minimum temperature at or below -10 C (14 F) in 9 years, most in 1978 with 103.
  • 14 fixed thresholds have at least one qualifying day at Powassan.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Powassan Days per year at Powassan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1975. 0510151975: 131976: 41977: 81978: 81979: 61980: 11981: 31982: 31983: 11197519761977197819791980198119821983
Days per year at Powassan with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1975.
Days at or above 30 C (86 F) per year at Powassan
YearDaysDecade average
1975137.8
197647.8
197787.8
197887.8
197967.8
198014.5
198134.5
198234.5
1983114.5
First to last qualifying date each year at Powassan For each year, a bar from the first to the last day at Powassan meeting 30 C (86 F). 1975: 21 May 1975 to 2 August 19751976: 7 June 1976 to 21 August 19761977: 21 May 1977 to 20 July 19771978: 26 May 1978 to 15 August 19781979: 12 July 1979 to 24 July 19791980: 23 May 1980 to 23 May 19801981: 6 July 1981 to 8 July 19811982: 6 July 1982 to 18 July 19821983: 13 June 1983 to 5 September 198319751977197919811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Powassan meeting 30 C (86 F).
First to last qualifying date each year at Powassan
YearFirst dateLast date
19751975-05-211975-08-02
19761976-06-071976-08-21
19771977-05-211977-07-20
19781978-05-261978-08-15
19791979-07-121979-07-24
19801980-05-231980-05-23
19811981-07-061981-07-08
19821982-07-061982-07-18
19831983-06-131983-09-05

Every Fixed Threshold

Fixed thresholds at Powassan
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days913197511
35 C (95 F): Days1119751
90 F (32.2 C): Days3219751
0 C (32 F): Ice days (max9111197887
0 C (32 F): Frost days (min91971978180
-10 C (14 F): Days with min9103197878
-20 C (-4 F): Days with min960197835
-30 C (-22 F): Days with min91919769
-40 C (-40 F): Days with min4319793
20 C (68 F): Tropical nights (min8619836
10 mm (0.39 in): Days with 10 mm or more rain940198340
25 mm (0.98 in): Days with 25 mm or more rain91019815
50 mm (1.97 in): Days with 50 mm or more rain3219832
10 cm (3.9 in): Days with 10 cm or more snowfall9819838

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Powassan 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).