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

Lethbridge Threshold Days by Year (CA008402544)

11 fixed thresholds counted per year at Lethbridge (CA008402544): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lethbridge Thresholds

  • Lethbridge: days with 10 mm (0.39 in) or more of precipitation in 5 years, most in 1955 with 62.
  • Lethbridge: days with 25 mm (0.98 in) or more of precipitation in 5 years, most in 1955 with 15.
  • Lethbridge: days with 10 cm (3.9 in) or more of snowfall in 5 years, most in 1954 with 16.
  • Lethbridge: days with 25 cm (9.8 in) or more of snowfall in 5 years, most in 1954 with 3.
  • 11 fixed thresholds have at least one qualifying day at Lethbridge.
3 years with a qualifying day
Nights at or below 0 C (32 F) per year at Lethbridge Days per year at Lethbridge with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 195 in 1982. 0501001502001981: 1341982: 1951983: 159198119821983
Days per year at Lethbridge with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 195 in 1982.
Nights at or below 0 C (32 F) per year at Lethbridge
YearDaysDecade average
1981134162.7
1982195162.7
1983159162.7
First to last qualifying date each year at Lethbridge For each year, a bar from the first to the last day at Lethbridge meeting 0 C (32 F). 1981: 1 February 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 1983198119821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lethbridge meeting 0 C (32 F).
First to last qualifying date each year at Lethbridge
YearFirst dateLast date
19811981-02-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31

Every Fixed Threshold

Fixed thresholds at Lethbridge
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2119811
0 C (32 F): Ice days (max365198261
0 C (32 F): Frost days (min31951982159
-10 C (14 F): Days with min373198246
-20 C (-4 F): Days with min31419827
-30 C (-22 F): Days with min1119821
10 mm (0.39 in): Days with 10 mm or more rain562195545
25 mm (0.98 in): Days with 25 mm or more rain51519555
50 mm (1.97 in): Days with 50 mm or more rain2419541
10 cm (3.9 in): Days with 10 cm or more snowfall516195410
25 cm (9.8 in): Days with 25 cm or more snowfall5319541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1981.

Download the Data

  • Data for Lethbridge 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).