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Almanac Averages and Extremes for April 27

OTTAWA INTL A
ONTARIO

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature    
Average Minimum Temperature    
Monthly Frequency of Precipitation    
Highest Temperature (2012-2023) 26.6 °C 2017
Lowest Temperature (2012-2023) -3.7 °C 2016
Greatest Precipitation (2012-2023) 11.6 mm 2017
Greatest Rainfall (2012-2023) 11.6 mm 2017
Greatest Snowfall (2012-2023) 2.0 cm 2022
Most Snow on the Ground    
Most Recent Daily Data for April 27
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 13.0 2.8 7.9 0.0 0.0 0.0   LegendMM LegendMM
2022 6.0 -0.9 2.6 1.6 2.0 4.4   32 54
2021 15.0 0.4 7.7 LegendTT 0.0 LegendTT   LegendMM LegendMM
2020 13.6 1.6 7.6 0.0 0.0 0.0   5 39
2019 7.1 1.0 4.1 0.0 LegendTT LegendTT   28 58

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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