Weather History for St. Catharines ON, Ontario

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 86 °F 71 °F - ()
Min Temperature 57 °F 54 °F - ()
Cooling Degree Days 6    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 71    
Maximum Humidity 94    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in -13.12 in - ()
Sea Level Pressure  
Sea Level Pressure 29.79 in    
Wind  
Wind Speed 9 mph ()    
Max Wind Speed 20 mph    
Max Gust Speed 29 mph    
Visibility 10.8 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:46 AM EDT 8:40 PM EDT
Civil Twilight 5:13 AM EDT 9:13 PM EDT
Nautical Twilight 4:31 AM EDT 9:56 PM EDT
Astronomical Twilight 3:41 AM EDT 10:46 PM EDT
Moon 4:46 PM EDT (5/21) 3:20 AM EDT (5/21)
Length of Visible Light 16h 00m
Length of Day
14h 53m
Waxing Gibbous, 84% of the Moon is Illuminated
May 21
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:00 AM 64.4 °F - 60.8 °F 88% 29.86 in 12.0 mi Calm Calm - N/A   Mostly Cloudy
8:00 AM 66.2 °F - 60.8 °F 83% 29.86 in 8.0 mi NNE 2.3 mph - N/A   Scattered Clouds
9:00 AM 77.0 °F - 69.8 °F 78% 29.86 in 8.0 mi SW 9.2 mph 17.3 mph N/A   Scattered Clouds
10:00 AM 78.8 °F - 69.8 °F 74% 29.83 in 9.0 mi SW 12.7 mph - N/A   Mostly Cloudy
11:00 AM 80.6 °F 83.9 °F 69.8 °F 70% 29.83 in 9.0 mi WSW 12.7 mph 19.6 mph N/A   Mostly Cloudy
12:00 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.82 in 10.0 mi SSW 11.5 mph 19.6 mph N/A   Overcast
1:00 PM 82.4 °F 85.4 °F 68.0 °F 62% 29.80 in 12.0 mi SW 17.3 mph - N/A   Overcast
2:00 PM 86.0 °F 90.4 °F 69.8 °F 58% 29.77 in 12.0 mi SW 17.3 mph 27.6 mph N/A   Mostly Cloudy
3:00 PM 86.0 °F 88.2 °F 66.2 °F 51% 29.76 in 12.0 mi WSW 19.6 mph 28.8 mph N/A   Mostly Cloudy
4:00 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.75 in 15.0 mi WSW 19.6 mph 26.5 mph N/A   Scattered Clouds
5:00 PM 86.0 °F 87.3 °F 64.4 °F 48% 29.73 in 15.0 mi WSW 19.6 mph 26.5 mph N/A   Scattered Clouds
6:00 PM 84.2 °F 83.5 °F 57.2 °F 40% 29.73 in 15.0 mi SW 17.3 mph 24.2 mph N/A   Mostly Cloudy
7:00 PM 80.6 °F 80.5 °F 55.4 °F 42% 29.73 in 15.0 mi WNW 19.6 mph - N/A   Mostly Cloudy
7:21 PM 66.2 °F - 55.4 °F 68% 29.75 in 10.0 mi NW 11.5 mph 18.4 mph N/A Thunderstorm Thunderstorm
7:30 PM 62.6 °F - 55.4 °F 77% 29.80 in 2.0 mi WNW 17.3 mph 26.5 mph N/A Rain , Thunderstorm Light Thunderstorms and Rain
7:35 PM 59.0 °F - 57.2 °F 94% 29.79 in 6.0 mi NNW 13.8 mph 27.6 mph N/A Rain , Thunderstorm Light Thunderstorms and Rain
7:57 PM 57.2 °F - 55.4 °F 94% 29.79 in 12.0 mi North 9.2 mph - N/A Rain Light Rain Showers
8:00 PM 57.2 °F - 55.4 °F 94% 29.79 in 12.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:00 PM 57.2 °F - 55.4 °F 94% 29.78 in 12.0 mi NE 2.3 mph - N/A   Mostly Cloudy