Almanac Averages and Extremes for December 12
CALGARY INT'L A
ALBERTA
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | -1.0 °C | |
| Average Minimum Temperature | -13.0 °C | |
| Monthly Frequency of Precipitation | 22 % | |
| Highest Temperature (1881-2011) | 13.9 °C | 1962 |
| Lowest Temperature (1881-2011) | -34.4 °C | 1893 |
| Greatest Precipitation (1881-2011) | 10.2 mm | 1901 |
| Greatest Rainfall (1881-2011) | ||
| Greatest Snowfall (1881-2011) | 13.8 cm | 1985 |
| Most Snow on the Ground (1955-2011) | 22.0 cm | 1995 |
| 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 | -6.2 | -15.4 | -10.8 | 0.0 | 0.4 | 0.4 | 8 | <31 | |
| 2010 | 8.4 | -12.8 | -2.2 | 0.0 | LegendTT | LegendTT | 4 | 28LegendEE | 41LegendEE |
| 2009 | -13.9 | -30.1 | -22.0 | 0.0 | 0.4 | 0.4 | 13 | 3 | 37 |
| 2008 | 4.0 | -13.7 | -4.9 | 0.0 | 9.0 | 7.8 | 9 | 27LegendEE | 48LegendEE |
| 2007 | 4.4 | -3.5 | 0.5 | 0.0 | 0.0 | 0.0 | 7 | 27LegendEE | 67LegendEE |
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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