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Almanac Averages and Extremes for August 11

CALGARY INT'L A
ALBERTA

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature 23.3 °C  
Average Minimum Temperature 9.3 °C  
Monthly Frequency of Precipitation 34 %  
Highest Temperature (1884-2011) 32.2 °C 1906, 1939
Lowest Temperature (1884-2011) 1.1 °C 1893
Greatest Precipitation (1884-2011) 52.4 mm 1999
Greatest Rainfall (1884-2011) 52.4 mm 1999
Greatest Snowfall (1884-2011)    
Most Snow on the Ground (1955-2011)    
Most Recent Daily Data for August 11
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
2011 19.8 11.3 15.6 2.0 0.0 2.0 0 31LegendEE 32LegendEE
2010 22.6 9.5 16.1 0.2 0.0 0.2 0   <31
2009 19.7 12.7 16.2 1.0 0.0 1.0 0 35LegendEE 35LegendEE
2008 18.8 12.1 15.5 0.0 0.0 0.0 0 27LegendEE 39LegendEE
2007 20.0 2.6 11.3 0.0 0.0 0.0 0   <31

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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