Weather History for St. Catharines, ON

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 78 °F 69 °F
Mean Temperature 78 °F 70 °F 63 °F
Min Temperature 71 °F 62 °F 51 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 6
Cooling Degree Days (base 65) 12 5 0 151
Growing Degree Days (base 50) 28 20 13 612
Dew Point  
Dew Point 75 °F 61 °F 43 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 22 mph 8 mph 0 mph
Gust Wind 32 mph 21 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.01 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 24, 2013 Rise Set
Actual Time 6:32 AM EDT 8:04 PM EDT
Civil Twilight 6:02 AM EDT 8:34 PM EDT
Nautical Twilight 5:26 AM EDT 9:10 PM EDT
Astronomical Twilight 4:47 AM EDT 9:49 PM EDT
Moon 9:48 PM EDT (8/24) 10:38 AM EDT (8/24)
Length of Visible Light 14h 32m
Length of Day
13h 32m
Waning Gibbous, 84% of the Moon is Illuminated
Aug 24
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 2.52
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
78 | 66 0.00
Average:
78 | 62 0.09
Rain
Actual:
77 | 60 0.00
Average:
78 | 62 0.09
Scattered Clouds
Actual:
77 | 60 0.00
Average:
78 | 62 0.08
Partly Cloudy
Actual:
73 | 60 0.00
Average:
78 | 62 0.09
Partly Cloudy
Actual:
73 | 53 0.00
Average:
78 | 62 0.08
Partly Cloudy
Actual:
78 | 62 0.00
Average:
78 | 62 0.09
Partly Cloudy
Actual:
80 | 68 0.00
Average:
78 | 62 0.09
Rain
Actual:
80 | 68 0.00
Average:
78 | 62 0.09
Partly Cloudy
Actual:
78 | 64 0.00
Average:
77 | 62 0.09
Scattered Clouds
Actual:
73 | 62 0.00
Average:
77 | 62 0.09
Partly Cloudy
Actual:
75 | 53 0.00
Average:
77 | 61 0.08
Mostly Cloudy
Actual:
75 | 60 0.00
Average:
77 | 61 0.07
Partly Cloudy
Actual:
69 | 60 0.00
Average:
77 | 61 0.07
Scattered Clouds
Actual:
69 | 59 0.00
Average:
76 | 61 0.06
Partly Cloudy
Actual:
73 | 55 0.00
Average:
76 | 61 0.07
Scattered Clouds
Actual:
77 | 55 0.00
Average:
76 | 61 0.07
Partly Cloudy
Actual:
77 | 59 0.00
Average:
76 | 61 0.07
Partly Cloudy
Actual:
77 | 59 0.00
Average:
76 | 61 0.08
Scattered Clouds
Actual:
80 | 60 0.00
Average:
76 | 61 0.08
Scattered Clouds
Actual:
82 | 62 0.00
Average:
76 | 61 0.07
Partly Cloudy
Actual:
84 | 68 0.00
Average:
76 | 61 0.07
Rain
Actual:
84 | 71 0.00
Average:
75 | 60 0.07
Scattered Clouds
Actual:
75 | 57 0.00
Average:
75 | 60 0.08
Scattered Clouds
Actual:
77 | 51 0.00
Average:
75 | 60 0.08
Partly Cloudy
Actual:
82 | 53 0.00
Average:
75 | 60 0.08
Thunderstorm
Actual:
80 | 71 0.00
Average:
75 | 60 0.09
Rain
Actual:
82 | 66 0.00
Average:
75 | 59 0.09
Fog
Actual:
80 | 69 0.00
Average:
75 | 59 0.09
Scattered Clouds
Actual:
84 | 64 0.00
Average:
75 | 59 0.09
Rain
Actual:
82 | 69 0.00
Average:
75 | 59 0.09
Partly Cloudy
Actual:
78 | 69 0.00
Average:
75 | 59 0.09
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 72 66 66 63 59 100 75 51 29.85 29.81 29.77 15 13 7 14 9 20 0.00 Rain
2 77 68 60 63 60 57 94 68 54 29.88 29.85 29.82 15 15 15 22 9 31 0.00 Rain
3 77 68 60 61 57 52 94 62 41 29.94 29.92 29.91 15 15 15 16 9 20 0.00  
4 73 66 60 57 54 43 88 62 45 30.06 30.03 29.99 15 15 15 14 10 20 0.00  
5 73 63 53 55 52 48 100 57 43 30.12 30.07 30.03 15 15 15 9 6 - 0.00  
6 78 70 62 63 59 55 88 62 44 30.04 30.00 29.97 15 15 15 10 7 - 0.00  
7 80 74 68 68 66 63 83 70 61 29.94 29.88 29.83 15 13 12 20 15 30 0.00  
8 80 74 68 70 69 66 94 83 65 29.96 29.93 29.91 12 10 6 8 4 - 0.00 Rain
9 78 71 64 64 61 57 94 70 47 29.91 29.89 29.87 15 14 10 12 6 - 0.00  
10 73 68 62 54 52 48 68 55 47 30.10 30.07 30.04 15 15 15 13 8 17 0.00  
11 75 64 53 59 55 52 94 61 47 30.14 30.09 30.03 15 15 15 13 4 - 0.00  
12 75 68 60 63 60 57 88 72 61 30.02 29.96 29.86 15 15 15 16 6 25 0.00  
13 69 64 60 66 55 46 100 69 56 29.89 29.83 29.76 15 14 8 21 12 28 0.00  
14 69 64 59 54 51 46 82 60 43 30.06 30.02 29.94 15 15 15 15 11 24 0.00  
15 73 64 55 55 53 50 82 60 47 30.14 30.10 30.06 15 15 15 16 9 21 0.00  
16 77 66 55 59 56 52 88 61 47 30.18 30.16 30.14 15 15 15 9 6 - 0.00  
17 77 68 59 64 61 57 94 71 57 30.28 30.25 30.22 15 12 10 9 5 - 0.00  
18 77 68 59 66 62 55 94 71 57 30.25 30.18 30.10 15 15 15 8 4 - 0.00  
19 80 70 60 63 61 59 94 64 48 30.10 30.06 30.03 15 14 10 10 6 - 0.00  
20 82 72 62 68 65 63 100 68 51 30.12 30.10 30.08 15 12 8 15 8 21 0.00  
21 84 76 68 68 65 63 88 63 48 30.14 30.08 30.01 15 12 10 16 10 23 0.00  
22 84 78 71 72 67 57 88 69 55 29.96 29.94 29.91 15 12 8 15 11 23 0.00 Rain
23 75 66 57 61 56 50 94 63 44 30.17 30.13 30.07 15 15 15 12 7 - 0.00  
24 77 64 51 59 56 50 94 63 47 30.35 30.32 30.30 15 15 15 13 5 - 0.00  
25 82 68 53 61 58 52 94 58 37 30.32 30.24 30.11 15 15 15 18 8 23 0.00  
26 80 76 71 72 70 68 94 89 74 30.08 30.00 29.93 12 9 1 18 11 32 0.00 Rain , Thunderstorm
27 82 74 66 75 72 66 100 85 74 29.93 29.89 29.86 15 7 3 9 5 - 0.00 Rain
28 80 74 69 73 71 68 100 89 70 29.94 29.87 29.85 15 7 0 10 7 - 0.00 Fog
29 84 74 64 73 69 64 100 77 54 30.05 30.02 30.00 15 10 5 8 5 - 0.00  
30 82 76 69 73 69 66 94 73 62 29.95 29.85 29.73 15 11 4 15 10 25 0.00 Rain
31 78 74 69 70 69 68 94 85 74 29.82 29.78 29.74 15 12 10 10 8 - 0.00