Almanac Averages and Extremes for September 23
CALGARY INT'L A
ALBERTA
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | 16.3 °C | |
| Average Minimum Temperature | 2.7 °C | |
| Monthly Frequency of Precipitation | 30 % | |
| Highest Temperature (1884-2011) | 33.2 °C | 2009 |
| Lowest Temperature (1884-2011) | -11.7 °C | 1926 |
| Greatest Precipitation (1884-2011) | 28.2 mm | 1900 |
| Greatest Rainfall (1884-2011) | 28.2 mm | 1900 |
| Greatest Snowfall (1884-2011) | 10.7 cm | 1930 |
| Most Snow on the Ground (1955-2011) | 3.0 cm | 1984 |
| 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 | 28.6 | 16.6 | 22.6 | 0.0 | 0.0 | 0.0 | 0 | 27LegendEE | 33LegendEE |
| 2010 | 15.8 | -1.1 | 7.4 | 0.0 | 0.0 | 0.0 | 0 | 27 | 46 |
| 2009 | 33.2 | 11.2 | 22.2 | 0.0 | 0.0 | 0.0 | 0 | <31 | |
| 2008 | 11.8 | 4.0 | 7.9 | 10.0 | 0.0 | 10.0 | 0 | 27LegendEE | 37LegendEE |
| 2007 | 7.2 | -0.1 | 3.6 | 3.4 | 0.0 | 3.4 | 0 | 36LegendEE | 32LegendEE |
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
- Date modified: