Almanac Averages and Extremes for December 21
WINDSOR A
ONTARIO
| Category (Period of Record) | Value | Year |
|---|---|---|
| Average Maximum Temperature | ||
| Average Minimum Temperature | ||
| Monthly Frequency of Precipitation | ||
| Highest Temperature (2014-2017) | 10.2 °C | 2015 |
| Lowest Temperature (2014-2017) | -8.2 °C | 2016 |
| Greatest Precipitation (2014-2017) | 8.2 mm | 2015 |
| Greatest Rainfall (2014-2017) | 8.2 mm | 2015 |
| Greatest Snowfall (2014-2017) | ||
| Most Snow on the Ground (2014-2016) | 13.0 cm | 2016 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2017 | 1.2 | -3.4 | -1.1 | 0.0 | LegendTT | LegendTT | 7 | 35 | |
| 2016 | 0.7 | -8.2 | -3.8 | 0.0 | 0.0 | 0.0 | 13 | 19 | 37 |
| 2015 | 10.2 | 3.4 | 6.8 | 8.2 | 0.0 | 8.2 | 21 | 48 |
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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