Almanac Averages and Extremes for April 28
CALGARY INT'L A
ALBERTA
Category (Period of Record) | Value | Year |
---|---|---|
Average Maximum Temperature | 13.8 °C | |
Average Minimum Temperature | 0.4 °C | |
Monthly Frequency of Precipitation | 30 % | |
Highest Temperature (1885-2012) | 28.3 °C | 1926, 1939 |
Lowest Temperature (1885-2012) | -16.7 °C | 1966 |
Greatest Precipitation (1885-2012) | 18.8 mm | 1978 |
Greatest Rainfall (1885-2012) | 18.8 mm | 1978 |
Greatest Snowfall (1885-2012) | 7.6 cm | 1990 |
Most Snow on the Ground (1955-2012) | 28.0 cm | 1966 |
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 |
---|---|---|---|---|---|---|---|---|---|
2012 | 13.9 | 2.3 | 8.1 | 0.0 | 0.0 | 0.0 | 0 | <31 | |
2011 | 7.0 | -0.3 | 3.4 | 0.4 | 6.2 | 6.6 | 0 | 32 | 44 |
2010 | 5.0 | 0.2 | 2.6 | 10.6 | 6.6 | 17.2 | 0 | 34LegendEE | 67LegendEE |
2009 | 3.4 | -5.6 | -1.1 | 0.0 | 0.4 | 0.4 | 0 | 1LegendEE | 35LegendEE |
2008 | 19.9 | 4.0 | 12.0 | 0.0 | 0.0 | 0.0 | LegendTT | 28LegendEE | 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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