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Almanac Averages and Extremes for April 12

TRENTON A
ONTARIO

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature 10.5 °C  
Average Minimum Temperature 0.1 °C  
Monthly Frequency of Precipitation 41 %  
Highest Temperature (1935-2023) 20.6 °C 1945
Lowest Temperature (1935-2023) -7.2 °C 1976
Greatest Precipitation (1935-2023) 33.8 mm 2013
Greatest Rainfall (1935-2023) 33.8 mm 2013
Greatest Snowfall (1935-2023) 10.2 cm 1940
Most Snow on the Ground (1955-2017) 5.0 cm 2000
Most Recent Daily Data for April 12
Year Maximum Temperature DefinitionMax Temp
°C
Minimum Temperature DefinitionMin Temp
°C
Mean Temperature DefinitionMean Temp
°C
Total Rain DefinitionTotal Rain
mm
Total Snow DefinitionTotal Snow
cm
Total Precipitation DefinitionTotal Precip
mm
Snow on Ground DefinitionSnow on Grnd
cm
Direction of Maximum Gust DefinitionDir of Max Gust
10's deg
Speed of Maximum Gust DefinitionSpd of Max Gust
km/h
2023  19.4 9.5 14.5 0.0 0.0 0.0   22 35
2022  16.5 6.8 11.7 0.6 0.0 0.6   22 41
2021                   
2020  14.9 3.0 9.0 LegendTT 0.0 LegendTT      
2019  17.5 3.8 10.7 2.8 0.0 2.8      

Legend

  • A = Accumulated
  • B = More than one occurrence and estimated
  • C = Precipitation occurred, amount uncertain
  • E = Estimated
  • F = Accumulated and estimated
  • L = Precipitation may or may not have occurred
  • M = Missing
  • N = Temperature missing but known to be > 0
  • S = More than one occurrence
  • T = Trace
  • Y = Temperature missing but known to be   < 0
  • [empty] = Indicates an unobserved value
  • ^ = The value displayed is based on incomplete data
  • † = Data that is not subject to review by the National Climate Archives

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