Climate for Station: Lake Cowichan, British Columbia, Canada
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Station Statistics
10-Year Trend
High: -1.02 °C/decade
Low: +1.22 °C/decade
Rain: -4.17 mm/decade
25-Year Trend
High: +0.46 °C/decade
Low: +0.42 °C/decade
Rain: +0.28 mm/decade
50-Year Trend
High: +0.31 °C/decade
Low: +0.05 °C/decade
Rain: +0.78 mm/decade
All-Time Trend
High: +0.32 °C/decade
Low: +0.11 °C/decade
Rain: +0.12 mm/decade
Percentage Above-Average Days
Last 12 Months: 46.7%
This Year: 88.9%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 12.1
Historical Average: 15.2
Percentile Rank of Last 12 Months ℹ️
High: 50th percentile
Low: 93rd percentile
Rain: 37th percentile
Change in Variance ℹ️
High: +16.7%
Low: +30.4%
Intraday: -3.2%
Data Coverage
92.0%
First Year of Data
1960
Station Location
Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 43.0 °C | — | -8.9 °C | 32.0 °C | — | -12.3 °C | 25.6 °C | — | -17.2 °C | 189.2 mm | — | 516.0 mm | — |
| January | 15.0 °C | 6.0 °C | -7.1 °C | 10.8 °C | 3.3 °C | -11.7 °C | 9.5 °C | -0.1 °C | -17.2 °C | 189.2 mm | 9.3 mm | 396.0 mm | 8.3 mm |
| February | 20.0 °C | 7.8 °C | -8.0 °C | 11.5 °C | 3.9 °C | -12.3 °C | 8.9 °C | 0.2 °C | -16.0 °C | 102.6 mm | 6.4 mm | 462.0 mm | 5.2 mm |
| March | 24.0 °C | 10.1 °C | 0.0 °C | 13.5 °C | 5.9 °C | -5.5 °C | 12.0 °C | 1.3 °C | -12.5 °C | 117.0 mm | 6.2 mm | 180.0 mm | 2.4 mm |
| April | 31.0 °C | 13.3 °C | 3.5 °C | 18.8 °C | 8.4 °C | 0.1 °C | 12.0 °C | 3.2 °C | -8.3 °C | 102.4 mm | 3.8 mm | 200.0 mm | 0.4 mm |
| May | 35.0 °C | 17.8 °C | 7.0 °C | 24.5 °C | 12.3 °C | 4.0 °C | 20.5 °C | 6.3 °C | -1.5 °C | 91.7 mm | 2.2 mm | 0.0 mm | 0.0 mm |
| June | 43.0 °C | 20.8 °C | 9.4 °C | 32.0 °C | 15.2 °C | 7.5 °C | 25.6 °C | 9.2 °C | 0.5 °C | 51.3 mm | 1.6 mm | 0.0 mm | 0.0 mm |
| July | 40.0 °C | 24.7 °C | 12.0 °C | 28.8 °C | 18.2 °C | 9.5 °C | 22.0 °C | 11.2 °C | 3.0 °C | 43.4 mm | 1.0 mm | 0.0 mm | 0.0 mm |
| August | 39.2 °C | 24.9 °C | 11.0 °C | 29.3 °C | 18.4 °C | 11.0 °C | 24.5 °C | 11.4 °C | 2.8 °C | 38.1 mm | 1.2 mm | 0.0 mm | 0.0 mm |
| September | 39.0 °C | 21.2 °C | 8.3 °C | 29.5 °C | 15.2 °C | 7.5 °C | 23.0 °C | 8.8 °C | -1.7 °C | 101.6 mm | 2.7 mm | 0.0 mm | 0.0 mm |
| October | 29.5 °C | 14.5 °C | 0.0 °C | 20.7 °C | 10.1 °C | -2.4 °C | 14.5 °C | 5.4 °C | -7.0 °C | 152.2 mm | 6.3 mm | 170.0 mm | 0.1 mm |
| November | 22.5 °C | 8.7 °C | -8.0 °C | 14.5 °C | 5.6 °C | -10.6 °C | 11.7 °C | 2.2 °C | -17.0 °C | 174.0 mm | 9.6 mm | 274.0 mm | 1.6 mm |
| December | 17.0 °C | 5.7 °C | -8.9 °C | 11.8 °C | 2.9 °C | -10.0 °C | 11.1 °C | 0.1 °C | -16.0 °C | 181.9 mm | 9.5 mm | 516.0 mm | 7.7 mm |
Plots
Current Year Climate Trends vs Historical
Max Temperature this Year | 1 of 4
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 4
Daily Average Temperatures Throughout the Year
Average Max Temperature Throughout Year | 1 of 3
