Weather History for St. Catharines ON, Ontario

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 31 °F 19 °F
Mean Temperature 50 °F 28 °F 13 °F
Min Temperature 41 °F 23 °F 5 °F
Degree Days  
Heating Degree Days (base 65) 52 38 14 1163
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 22 °F 3 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 28 mph 10 mph 0 mph
Gust Wind 38 mph 24 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.58 in 30.07 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 07, 2013 Rise Set
Actual Time 7:35 AM EST 4:41 PM EST
Civil Twilight 7:02 AM EST 5:13 PM EST
Nautical Twilight 6:27 AM EST 5:49 PM EST
Astronomical Twilight 5:52 AM EST 6:23 PM EST
Moon 11:13 AM EST (12/7) 10:27 PM EST (12/7)
Length of Visible Light 10h 10m
Length of Day
9h 06m
Waxing Crescent, 29% of the Moon is Illuminated
Dec 7
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 3.75
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
39 | 35 0.00
Average:
40 | 31 0.14
Mostly Cloudy
Actual:
35 | 32 0.00
Average:
40 | 30 0.13
Partly Cloudy
Actual:
37 | 23 0.00
Average:
39 | 30 0.12
Mostly Cloudy
Actual:
42 | 33 0.00
Average:
39 | 30 0.12
Rain
Actual:
60 | 41 0.00
Average:
39 | 29 0.11
Overcast
Actual:
33 | 30 0.00
Average:
38 | 29 0.12
Snow
Actual:
28 | 23 0.00
Average:
38 | 29 0.12
Snow
Actual:
28 | 19 0.00
Average:
38 | 29 0.12
Snow
Actual:
37 | 30 0.00
Average:
37 | 28 0.12
Snow
Actual:
24 | 19 0.00
Average:
37 | 28 0.12
Snow
Actual:
26 | 17 0.00
Average:
37 | 28 0.13
Snow
Actual:
21 | 10 0.00
Average:
36 | 27 0.12
Snow
Actual:
26 | 17 0.00
Average:
36 | 27 0.12
Snow
Actual:
19 | 14 0.00
Average:
35 | 26 0.12
Snow
Actual:
24 | 15 0.00
Average:
35 | 26 0.12
Scattered Clouds
Actual:
21 | 6 0.00
Average:
35 | 25 0.11
Snow
Actual:
26 | 14 0.00
Average:
34 | 25 0.11
Snow
Actual:
32 | 24 0.00
Average:
34 | 24 0.11
Mostly Cloudy
Actual:
39 | 33 0.00
Average:
33 | 24 0.12
Rain
Actual:
35 | 33 0.00
Average:
33 | 23 0.13
Rain
Actual:
35 | 32 0.00
Average:
32 | 23 0.13
Rain
Actual:
37 | 32 0.00
Average:
32 | 22 0.13
Snow
Actual:
35 | 26 0.00
Average:
32 | 22 0.13
Snow
Actual:
23 | 14 0.00
Average:
32 | 22 0.12
Snow
Actual:
21 | 5 0.00
Average:
32 | 22 0.12
Snow
Actual:
32 | 24 0.00
Average:
32 | 22 0.11
Snow
Actual:
32 | 26 0.00
Average:
32 | 22 0.12
Partly Cloudy
Actual:
42 | 33 0.00
Average:
32 | 22 0.12
Mostly Cloudy
Actual:
44 | 32 0.00
Average:
31 | 22 0.12
Snow
Actual:
19 | 17 0.00
Average:
31 | 22 0.12
Snow
Actual:
21 | 14 0.00
Average:
31 | 21 0.12
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 39 37 35 36 33 32 93 84 75 30.08 30.02 29.95 15 11 8 12 8 - 0.00 Rain
2 35 34 32 34 32 28 100 91 81 29.93 29.91 29.88 10 5 2 9 5 - 0.00  
3 37 30 23 30 27 21 100 79 60 30.00 29.98 29.95 15 13 10 8 4 - 0.00  
4 42 38 33 39 36 32 93 90 81 30.01 29.96 29.88 6 5 4 6 4 - 0.00  
5 60 50 41 54 43 30 81 70 58 29.99 29.80 29.71 15 12 10 23 17 31 0.00 Rain
6 33 32 30 25 23 21 70 66 60 30.24 30.20 30.14 15 15 15 13 10 - 0.00  
7 28 26 23 18 15 10 69 61 54 30.57 30.49 30.39 15 15 10 20 14 23 0.00 Snow
8 28 24 19 16 15 10 86 64 51 30.58 30.45 30.29 15 15 15 13 6 - 0.00 Snow
9 37 34 30 36 29 21 100 83 69 30.00 29.91 29.85 15 12 2 25 16 38 0.00 Rain , Snow
10 24 22 19 19 12 7 86 64 46 30.04 29.99 29.93 15 12 1 24 16 30 0.00 Snow
11 26 22 17 19 13 9 86 66 59 30.29 30.22 30.19 15 12 2 22 18 29 0.00 Snow
12 21 16 10 14 7 3 80 65 49 30.37 30.23 30.12 15 13 4 23 16 38 0.00 Snow
13 26 22 17 19 15 9 93 80 68 30.36 30.22 30.09 15 5 1 16 11 29 0.00 Snow
14 19 16 14 18 13 10 93 87 79 30.41 30.18 29.87 15 2 1 21 16 26 0.00 Snow
15 24 20 15 19 15 10 93 78 68 29.83 29.76 29.73 15 10 4 25 11 32 0.00 Snow
16 21 14 6 9 6 3 85 70 58 30.19 30.13 30.04 15 15 15 12 9 - 0.00  
17 26 20 14 23 18 12 93 86 69 29.96 29.94 29.92 15 8 2 13 6 18 0.00 Snow
18 32 28 24 23 22 19 80 74 64 30.07 30.04 30.01 12 10 8 20 12 25 0.00 Snow
19 39 36 33 32 30 27 93 76 65 30.03 29.97 29.89 15 13 10 16 12 23 0.00  
20 35 34 33 36 35 34 100 100 100 29.86 29.84 29.81 1 0 0 6 3 - 0.00 Fog , Rain
21 35 34 32 36 34 32 100 100 100 29.88 29.83 29.77 6 2 1 13 5 - 0.00 Rain
22 37 34 32 36 33 32 100 98 93 29.92 29.74 29.65 15 9 2 16 10 21 0.00 Rain
23 35 30 26 34 28 18 100 89 69 30.29 30.16 30.01 15 11 2 16 7 18 0.00 Snow
24 23 19 14 21 13 5 93 79 63 30.51 30.36 30.24 15 8 1 13 10 21 0.00 Snow
25 21 13 5 16 11 3 92 76 68 30.54 30.40 30.25 15 14 10 9 6 - 0.00 Snow
26 32 28 24 28 22 16 100 81 64 30.27 30.14 30.06 15 8 1 17 8 26 0.00 Snow
27 32 29 26 28 25 21 93 80 69 30.28 30.24 30.15 12 9 2 15 10 - 0.00 Snow
28 42 38 33 34 32 30 93 79 70 30.10 30.04 29.98 15 12 10 17 13 26 0.00  
29 44 40 32 36 31 28 87 70 53 29.83 29.71 29.63 15 14 10 22 12 30 0.00  
30 19 18 17 12 9 5 79 66 54 30.24 30.22 30.13 15 15 10 16 11 22 0.00 Snow
31 21 18 14 18 9 3 93 71 58 30.26 30.13 29.99 15 10 1 28 13 38 0.00 Snow