Almanac Averages and Extremes for September 17

CALGARY INT'L A
ALBERTA

51°06'50.000" N
114°01'13.000" W
1,084.10 m
3031093
71877
YYC

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Almanac Averages & Extremes
Averages and Extremes
Category (Period of Record) Value Year
Average Maximum Temperature 17.2 °C  
Average Minimum Temperature 3.6 °C  
Monthly Frequency of Precipitation 30 %  
Highest Temperature (1884-2011) 31.3 °C 1981
Lowest Temperature (1884-2011) -3.3 °C 1965, 1971
Greatest Precipitation (1884-2011) 13.8 mm 1996
Greatest Rainfall (1884-2011) 13.8 mm 1996
Greatest Snowfall (1884-2011) 5.8 cm 1943, 1947
Most Snow on the Ground (1955-2011) 5.0 cm 2003
Most Recent Daily Data for September 17
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 17.2 3.7 10.5 0.0 0.0 0.0 0 27LegendEE 56LegendEE
2010 7.8 0.7 4.3 0.6 0.2 0.8 0 36LegendEE 32LegendEE
2009 20.7 7.9 14.3 0.2 0.0 0.2 0 36LegendEE 70LegendEE
2008 26.0 5.1 15.6 0.0 0.0 0.0 0   <31
2007 12.7 5.2 9.0 1.6 0.0 1.6 0 34LegendEE 44LegendEE

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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