Monthly Climatological Summary for Dec 2009

Name: LaVallee Weather   City: Devlin   State: Ontario
Elevation: 351 m  Lat: N 48° 37' 14"   Lon: W 093° 36' 25"

                  Temperature (°C), Rain (mm), Wind Speed (km/h)

                                      Heat  Cool        Avg
    Mean                              Deg   Deg         Wind                 Dom
Day Temp  High   Time   Low    Time   Days  Days  Rain  Speed High   Time    Dir
----------------------------------------------------------------------------------
 1  -3.6  -1.9   12:10  -7.1   04:00   0.0  21.9   0.0   6.5  23.0   13:00    NE
 2  -6.0  -3.1   13:45  -8.4   16:50   0.0  24.3   0.0   5.4  19.0   20:35     N
 3  -8.4  -7.5   02:45  -9.9   17:00   0.0  26.7   0.0   7.6  23.0   11:45   WNW
 4 -10.4  -8.2   13:30 -15.3   23:55   0.0  28.7   0.0   7.0  21.0   11:10   WSW
 5 -12.1  -8.8   15:40 -20.2   06:25   0.0  30.4   0.0   3.2  11.0   14:10     W
 6  -9.5  -6.1   14:20 -12.2   07:35   0.0  27.8   0.0   6.5  26.0   12:40   WNW
 7 -12.7  -9.1   00:10 -23.0   22:05   0.0  31.0   0.0   6.0  26.0   12:25   WNW
 8 -19.5 -16.4   14:25 -25.7   07:25   0.0  37.8   0.0   2.9  16.0   23:50    NW
 9 -17.7 -15.8   13:40 -20.9   23:55   0.0  36.0   0.0   9.4  29.0   09:35   NNW
10 -22.0 -17.7   14:15 -26.8   06:40   0.0  40.3   0.0   5.4  24.0   20:50     W
11 -20.4 -14.7   14:30 -28.5   08:15   0.0  38.7   0.0   5.5  27.0   12:55    SW
12 -15.8 -10.7   14:55 -23.4   06:30   0.0  34.1   0.0   5.6  37.0   23:55   NNW
13 -23.3 -19.6   16:00 -27.6   08:20   0.0  41.6   0.0   7.8  34.0   00:55     W
14 -23.0 -19.2   15:10 -26.4   06:20   0.0  41.3   0.0   5.5  19.0   14:10     W
15 -23.7 -20.8   15:25 -25.6   03:40   0.0  42.0   0.0   9.1  35.0   12:35     W
16 -17.7 -12.6   14:10 -27.7   03:00   0.0  36.0   0.0   7.6  24.0   23:05   ESE
17 -10.3  -5.9   13:05 -15.7   19:45   0.0  28.6   0.0   7.0  26.0   10:40   SSE
18  -8.6  -6.8   14:10 -11.4   04:05   0.0  26.9   0.0   5.4  19.0   22:00   NNE
19 -11.4 -10.4   13:45 -13.1   08:45   0.0  29.7   0.0   6.3  21.0   21:35     E
20  -8.7  -6.5   15:00 -11.1   06:55   0.0  27.0   0.0   6.6  19.0   19:00   SSE
21  -8.2  -5.7   13:55 -10.8   16:50   0.0  26.5   0.0   4.6  24.0   03:10     W
22 -10.6  -8.3   02:55 -14.3   20:40   0.0  28.9   0.0   7.9  24.0   16:20     E
23  -6.7  -2.3   12:15 -13.6   00:05   0.0  25.0   0.0  14.5  39.0   21:35     E
24  -4.2  -3.2   15:10  -5.5   02:10   0.0  22.5   0.0  13.9  34.0   09:10   ENE
25  -2.8  -1.5   06:45  -4.4   23:20   0.0  21.1   0.0  16.9  47.0   10:55   ENE
26  -3.2  -1.7   13:55  -4.3   00:00   0.0  21.5   0.0  12.7  39.0   05:05   NNE
27  -4.2  -2.8   13:05  -7.3   23:50   0.0  22.5   0.0  10.6  35.0   20:35   WNW
28 -14.8  -7.3   00:00 -29.2   22:50   0.0  33.1   0.0   9.4  34.0   00:45    NW
29 -17.7 -10.5   18:05 -29.8   06:30   0.0  36.0   0.0   6.1  23.0   15:40   SSE
30 -12.3 -11.3   14:25 -13.2   23:55   0.0  30.6   0.0  10.0  31.0   15:55   WSW
31 -16.8 -12.4   14:10 -26.1   19:25   0.0  35.1   0.0   7.6  27.0   05:10   WNW
----------------------------------------------------------------------------------
   -12.5  -1.5    25   -29.8    29     0.0 953.6   0.0   7.9  47.0    25     NNW

Max >=  27.0:  0
Max <=   0.0: 31
Min <=   0.0: 31
Min <= -18.0: 14
Max Rain: 0.0 on day 0
Days of Rain: 0 (>= 0.2 mm)  0 (>= 2.0 mm)  0 (>= 20.0 mm)
Heat Base: 18.3  Cool Base: 18.3  Method: Integration