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

Isle Aux Morts Threshold Days by Year (CA008402450)

6 fixed thresholds counted per year at Isle Aux Morts (CA008402450): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Isle Aux Morts Thresholds

  • Isle Aux Morts: nights with a minimum temperature at or below 0 C (32 F) in 2 years, most in 1983 with 136.
  • Isle Aux Morts: nights with a minimum temperature at or below -10 C (14 F) in 2 years, most in 1983 with 17.
  • Isle Aux Morts: days with 10 mm (0.39 in) or more of precipitation in 2 years, most in 1983 with 69.
  • Isle Aux Morts: days with 25 mm (0.98 in) or more of precipitation in 2 years, most in 1983 with 19.
  • 6 fixed thresholds have at least one qualifying day at Isle Aux Morts.
2 years with a qualifying day
Nights at or below 0 C (32 F) per year at Isle Aux Morts Days per year at Isle Aux Morts with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 136 in 1983. 0501001501980: 1471983: 13619801983
Days per year at Isle Aux Morts with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 136 in 1983.
Nights at or below 0 C (32 F) per year at Isle Aux Morts
YearDaysDecade average
1980147141.5
1983136141.5
First to last qualifying date each year at Isle Aux Morts For each year, a bar from the first to the last day at Isle Aux Morts meeting 0 C (32 F). 1980: 1 January 1980 to 30 December 19801983: 1 January 1983 to 31 December 198319801983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Isle Aux Morts meeting 0 C (32 F).
First to last qualifying date each year at Isle Aux Morts
YearFirst dateLast date
19801980-01-011980-12-30
19831983-01-011983-12-31

Every Fixed Threshold

Fixed thresholds at Isle Aux Morts
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max159198359
0 C (32 F): Frost days (min21361983136
-10 C (14 F): Days with min217198317
10 mm (0.39 in): Days with 10 mm or more rain269198369
25 mm (0.98 in): Days with 25 mm or more rain219198319
50 mm (1.97 in): Days with 50 mm or more rain2319833

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Isle Aux Morts 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).