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Built 2026-10-19 (19 October 2026)

Fort Frances A Threshold Days by Year (CA006022476)

15 fixed thresholds counted per year at Fort Frances A (CA006022476): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fort Frances A Thresholds

  • Fort Frances A: nights with a minimum temperature at or below 0 C (32 F) in 7 years, most in 1980 with 208.
  • Fort Frances A: nights with a minimum temperature at or below -10 C (14 F) in 7 years, most in 1978 with 123.
  • Fort Frances A: nights with a minimum temperature at or below -20 C (-4 F) in 7 years, most in 1978 with 78.
  • Fort Frances A: nights with a minimum temperature at or below -30 C (-22 F) in 7 years, most in 1978 with 39.
  • 15 fixed thresholds have at least one qualifying day at Fort Frances A.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Fort Frances A Days per year at Fort Frances A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1980. 051015201977: 101978: 91980: 191981: 61982: 21983: 19197719781980198119821983
Days per year at Fort Frances A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1980.
Days at or above 30 C (86 F) per year at Fort Frances A
YearDaysDecade average
1977109.5
197899.5
19801911.5
1981611.5
1982211.5
19831911.5
First to last qualifying date each year at Fort Frances A For each year, a bar from the first to the last day at Fort Frances A meeting 30 C (86 F). 1977: 13 May 1977 to 23 July 19771978: 25 May 1978 to 6 September 19781980: 4 May 1980 to 7 September 19801981: 5 July 1981 to 12 July 19811982: 5 July 1982 to 20 July 19821983: 25 June 1983 to 2 September 1983197719781980198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fort Frances A meeting 30 C (86 F).
First to last qualifying date each year at Fort Frances A
YearFirst dateLast date
19771977-05-131977-07-23
19781978-05-251978-09-06
19801980-05-041980-09-07
19811981-07-051981-07-12
19821982-07-051982-07-20
19831983-06-251983-09-02

Every Fixed Threshold

Fixed thresholds at Fort Frances A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days619198019
35 C (95 F): Days1119811
90 F (32.2 C): Days6719837
0 C (32 F): Ice days (max61261980111
0 C (32 F): Frost days (min72081980205
-10 C (14 F): Days with min7123197887
-20 C (-4 F): Days with min778197839
-30 C (-22 F): Days with min739197818
-40 C (-40 F): Days with min5619823
20 C (68 F): Tropical nights (min5219772
10 mm (0.39 in): Days with 10 mm or more rain731197825
25 mm (0.98 in): Days with 25 mm or more rain7619776
50 mm (1.97 in): Days with 50 mm or more rain2119771
10 cm (3.9 in): Days with 10 cm or more snowfall7719774
25 cm (9.8 in): Days with 25 cm or more snowfall2119771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Fort Frances A 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).