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Built 2026-10-19 (19 October 2026)

Fort St John Threshold Days by Year (CA001182998)

15 fixed thresholds counted per year at Fort St John (CA001182998): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fort St John Thresholds

  • Fort St John: days with a maximum temperature at or below 0 C (32 F) in 9 years, most in 1933 with 128.
  • Fort St John: days with 10 mm (0.39 in) or more of precipitation in 9 years, most in 1939 with 22.
  • Fort St John: days with 10 cm (3.9 in) or more of snowfall in 9 years, most in 1933 with 12.
  • Fort St John: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1933 with 239.
  • 15 fixed thresholds have at least one qualifying day at Fort St John.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Fort St John Days per year at Fort St John with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1942. 0358101932: 51933: 31938: 21939: 21941: 71942: 91944: 31932193319381939194119421944
Days per year at Fort St John with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1942.
Days at or above 30 C (86 F) per year at Fort St John
YearDaysDecade average
193253
193333
193823
193923
194176.3
194296.3
194436.3
First to last qualifying date each year at Fort St John For each year, a bar from the first to the last day at Fort St John meeting 30 C (86 F). 1932: 7 August 1932 to 25 August 19321933: 13 August 1933 to 27 August 19331938: 2 September 1938 to 3 September 19381939: 27 July 1939 to 10 August 19391941: 14 July 1941 to 21 August 19411942: 30 June 1942 to 16 August 19421944: 19 July 1944 to 10 September 19441932193319381939194119421944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fort St John meeting 30 C (86 F).
First to last qualifying date each year at Fort St John
YearFirst dateLast date
19321932-08-071932-08-25
19331933-08-131933-08-27
19381938-09-021938-09-03
19391939-07-271939-08-10
19411941-07-141941-08-21
19421942-06-301942-08-16
19441944-07-191944-09-10

Every Fixed Threshold

Fixed thresholds at Fort St John
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7919423
35 C (95 F): Days1319413
90 F (32.2 C): Days5419411
100 F (37.8 C): Days1219412
0 C (32 F): Ice days (max9128193395
0 C (32 F): Frost days (min82391933205
-10 C (14 F): Days with min8146193395
-20 C (-4 F): Days with min896193348
-30 C (-22 F): Days with min85119337
-40 C (-40 F): Days with min51119333
10 mm (0.39 in): Days with 10 mm or more rain922193910
25 mm (0.98 in): Days with 25 mm or more rain8819392
50 mm (1.97 in): Days with 50 mm or more rain1119391
10 cm (3.9 in): Days with 10 cm or more snowfall91219332
25 cm (9.8 in): Days with 25 cm or more snowfall4419331

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Fort St John 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).