Built 2026-10-19 (19 October 2026)

Herouxville Threshold Days by Year (CA007013100)

14 fixed thresholds counted per year at Herouxville (CA007013100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Herouxville Thresholds

  • Herouxville: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1976 with 43.
  • Herouxville: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1973 with 13.
  • Herouxville: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1976 with 9.
  • Herouxville: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1974 with 195.
  • 14 fixed thresholds have at least one qualifying day at Herouxville.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Herouxville Days per year at Herouxville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1973. 024681973: 81974: 31976: 71977: 51978: 31981: 61982: 41973197419761977197819811982
Days per year at Herouxville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1973.
Days at or above 30 C (86 F) per year at Herouxville
YearDaysDecade average
197385.2
197435.2
197675.2
197755.2
197835.2
198165
198245
First to last qualifying date each year at Herouxville For each year, a bar from the first to the last day at Herouxville meeting 30 C (86 F). 1973: 7 July 1973 to 2 September 19731974: 9 June 1974 to 14 July 19741976: 6 June 1976 to 21 August 19761977: 17 May 1977 to 28 August 19771978: 28 May 1978 to 15 August 19781981: 16 June 1981 to 2 August 19811982: 7 July 1982 to 22 July 19821973197419761977197819811982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Herouxville meeting 30 C (86 F).
First to last qualifying date each year at Herouxville
YearFirst dateLast date
19731973-07-071973-09-02
19741974-06-091974-07-14
19761976-06-061976-08-21
19771977-05-171977-08-28
19781978-05-281978-08-15
19811981-06-161981-08-02
19821982-07-071982-07-22

Every Fixed Threshold

Fixed thresholds at Herouxville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7819734
90 F (32.2 C): Days3219761
0 C (32 F): Ice days (max7105197693
0 C (32 F): Frost days (min81951974185
-10 C (14 F): Days with min8100197671
-20 C (-4 F): Days with min852197631
-30 C (-22 F): Days with min81019762
-40 C (-40 F): Days with min1119761
20 C (68 F): Tropical nights (min3319772
10 mm (0.39 in): Days with 10 mm or more rain1043197638
25 mm (0.98 in): Days with 25 mm or more rain101319737
50 mm (1.97 in): Days with 50 mm or more rain5119731
10 cm (3.9 in): Days with 10 cm or more snowfall10919767
25 cm (9.8 in): Days with 25 cm or more snowfall4319771

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Herouxville 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).