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

Prince Rupert Threshold Days by Year (CA001066480)

12 fixed thresholds counted per year at Prince Rupert (CA001066480): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prince Rupert Thresholds

  • Prince Rupert: nights with a minimum temperature at or below 0 C (32 F) in 53 years, most in 1909 with 104.
  • Prince Rupert: days with 10 mm (0.39 in) or more of precipitation in 53 years, most in 1913 with 112.
  • Prince Rupert: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1923 with 44.
  • Prince Rupert: days with a maximum temperature at or below 0 C (32 F) in 48 years, most in 1950 with 32.
  • 12 fixed thresholds have at least one qualifying day at Prince Rupert.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Prince Rupert Days per year at Prince Rupert with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1934. 011221916: 11925: 11934: 21946: 11952: 11958: 1191619251934194619521958
Days per year at Prince Rupert with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1934.
Days at or above 30 C (86 F) per year at Prince Rupert
YearDaysDecade average
191611
192511
193422
194611
195211
195811
First to last qualifying date each year at Prince Rupert For each year, a bar from the first to the last day at Prince Rupert meeting 30 C (86 F). 1916: 25 August 1916 to 25 August 19161925: 25 June 1925 to 25 June 19251934: 24 July 1934 to 25 July 19341946: 28 August 1946 to 28 August 19461952: 11 July 1952 to 11 July 19521958: 6 June 1958 to 6 June 1958191619251934194619521958JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Prince Rupert meeting 30 C (86 F).
First to last qualifying date each year at Prince Rupert
YearFirst dateLast date
19161916-08-251916-08-25
19251925-06-251925-06-25
19341934-07-241934-07-25
19461946-08-281946-08-28
19521952-07-111952-07-11
19581958-06-061958-06-06

Every Fixed Threshold

Fixed thresholds at Prince Rupert
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6219341
90 F (32.2 C): Days1119581
0 C (32 F): Ice days (max483219507
0 C (32 F): Frost days (min53104190974
-10 C (14 F): Days with min382219091
-20 C (-4 F): Days with min2219172
10 mm (0.39 in): Days with 10 mm or more rain53112191385
25 mm (0.98 in): Days with 25 mm or more rain5344192324
50 mm (1.97 in): Days with 50 mm or more rain481619234
100 mm (3.94 in): Days with 100 mm or more rain8119111
10 cm (3.9 in): Days with 10 cm or more snowfall441019174
25 cm (9.8 in): Days with 25 cm or more snowfall8219111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Prince Rupert 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).