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Almanac Averages and Extremes for October 18

CALGARY INT'L A
ALBERTA

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature 12.0 °C  
Average Minimum Temperature -1.7 °C  
Monthly Frequency of Precipitation 23 %  
Highest Temperature (1884-2011) 23.9 °C 1942, 1974, 1978
Lowest Temperature (1884-2011) -15.6 °C 1951
Greatest Precipitation (1884-2011) 13.0 mm 1929
Greatest Rainfall (1884-2011) 12.4 mm 1929
Greatest Snowfall (1884-2011) 12.2 cm 1951
Most Snow on the Ground (1955-2011) 2.0 cm 1982, 2004
Most Recent Daily Data for October 18
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 15.7 2.0 8.9 0.0 0.0 0.0 0   <31
2010 14.9 -1.5 6.7 0.0 0.0 0.0 0 28LegendEE 35LegendEE
2009 7.2 1.0 4.1 0.4 0.0 0.4 0   <31
2008 8.2 1.0 4.6 LegendTT LegendTT LegendTT 0 36LegendEE 37LegendEE
2007 11.9 -3.1 4.4 0.0 0.0 0.0 0 25LegendEE 37LegendEE

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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