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Station Monthly Statistics for 2015 -- Ray Watkins Elementary

at Ray Watkins Elementary

Station name Year

graph of annual means

How are Monthly Means Calculated?

The table shows values for each month of the selected year in the database. Values are given in degrees Celsius. Averages shown here are calculated from daily averages for the month. The value in parentheses following the monthly mean value is the standard deviation of the daily averages used to compute the mean. The minimum (maximum) is the average of the minimum (maximum) temperature observed on each day of the selected month. Table rows are shown in descending order of Mean value. In some cases the present month may be incomplete.

The values are plotted so that the minimum and maximum are marked at the end of the whiskers, the mean value is shown with a horizontal tick across each box, and the boxes show the range of plus and minus one standard deviation from the mean value. The average temperature is shown with a dashed horizontal line and the average extremes are drawn with dotted lines. The blue curve is a spline that connects the monthly means.

Month Minimum
(Std. Dev.) °C
January2.04.1 (1.6)7.331
February3.06.1 (2.5)11.128
March3.77.3 (2.8)12.331
April3.27.4 (3.2)13.130
May7.914.4 (4.7)21.931
June11.217.9 (4.6)25.030
July12.719.8 (4.8)27.131
August12.418.5 (4.1)25.128
September8.912.9 (3.1)18.727
October7.510.9 (2.7)16.431
November-0.22.5 (2.0)7.030
December0.21.7 (1.0)4.031

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The Vancouver Island School-Based Weather Station Network is an education first project. Data from the network are made freely available as is to the public with no guarantee of accuracy or availability. Commercial use requires a license. Please contact weather at for more information. This work (this site and all contents not otherwise attributed) by School-Based Weather Station Network is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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Last Modified: July 30 2018 08:19:38.