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Data as of 2026-10-14
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Built 2026-10-15 (15 October 2026)

Louiseville Threshold Days by Year

15 fixed thresholds counted per year at Louiseville (CA007014332): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Louiseville Thresholds

  • Louiseville: days with a maximum temperature at or above 30 C (86 F) in 11 years, most in 1983 with 22.
  • Louiseville: days with a maximum temperature at or below 0 C (32 F) in 11 years, most in 1971 with 121.
  • Louiseville: nights with a minimum temperature at or below 0 C (32 F) in 11 years, most in 1972 with 196.
  • Louiseville: nights with a minimum temperature at or below -10 C (14 F) in 11 years, most in 1971 with 105.
  • 15 fixed thresholds have at least one qualifying day at Louiseville.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Louiseville Days per year at Louiseville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1983. 01020301967: 31968: 41969: 41970: 151971: 31972: 21979: 121980: 41981: 31982: 61983: 22196719691971197919811983
Days per year at Louiseville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1983.
Days at or above 30 C (86 F) per year at Louiseville
YearDaysDecade average
196733.7
196843.7
196943.7
1970158
197138
197228
1979128
198048.8
198138.8
198268.8
1983228.8
First to last qualifying date each year at Louiseville For each year, a bar from the first to the last day at Louiseville meeting 30 C (86 F). 1967: 3 June 1967 to 5 June 19671968: 15 July 1968 to 18 July 19681969: 27 June 1969 to 17 July 19691970: 24 July 1970 to 16 August 19701971: 29 June 1971 to 9 August 19711972: 23 May 1972 to 21 July 19721979: 9 May 1979 to 25 July 19791980: 24 June 1980 to 24 August 19801981: 16 June 1981 to 10 July 19811982: 7 July 1982 to 19 July 19821983: 14 June 1983 to 6 September 1983196719691971197919811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Louiseville meeting 30 C (86 F).
First to last qualifying date each year at Louiseville
YearFirst dateLast date
19671967-06-031967-06-05
19681968-07-151968-07-18
19691969-06-271969-07-17
19701970-07-241970-08-16
19711971-06-291971-08-09
19721972-05-231972-07-21
19791979-05-091979-07-25
19801980-06-241980-08-24
19811981-06-161981-07-10
19821982-07-071982-07-19
19831983-06-141983-09-06

Every Fixed Threshold

Fixed thresholds at Louiseville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1122198322
35 C (95 F): Days1119701
90 F (32.2 C): Days8519702
0 C (32 F): Ice days (max11121197183
0 C (32 F): Frost days (min111961972171
-10 C (14 F): Days with min11105197168
-20 C (-4 F): Days with min1146196821
-30 C (-22 F): Days with min101519672
-40 C (-40 F): Days with min2119671
20 C (68 F): Tropical nights (min9719703
10 mm (0.39 in): Days with 10 mm or more rain1150198350
25 mm (0.98 in): Days with 25 mm or more rain1111198311
50 mm (1.97 in): Days with 50 mm or more rain6319791
10 cm (3.9 in): Days with 10 cm or more snowfall101119718
25 cm (9.8 in): Days with 25 cm or more snowfall4219712

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.

Download the Data

  • Data for Louiseville 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).