St. Catharines,

8:20 AM EDT on July 23, 2017 (GMT -0400)
St. Catharines

Weather History for CYSN - May, 2013

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Monday, May 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 57 °F -  
Max Temperature 68 °F 66 °F 84 °F (1999)
Min Temperature 46 °F 48 °F 37 °F (2005)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 46    
Maximum Humidity 93    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in -13.12 in - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 4 mph ()    
Max Wind Speed 13 mph    
Max Gust Speed 17 mph    
Visibility 15.0 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 06, 2013 Rise Set
Actual Time 6:03 AM EDT 8:24 PM EDT
Civil Twilight 5:31 AM EDT 8:56 PM EDT
Nautical Twilight 4:52 AM EDT 9:35 PM EDT
Astronomical Twilight 4:08 AM EDT 10:19 PM EDT
Moon 4:09 AM EDT (5/6) 5:18 PM EDT (5/6)
Length of Visible Light 15h 24m
Length of Day
14h 21m
Waning Crescent, 11% of the Moon is Illuminated
May 6
Waning Crescent
May 9
New
May 18
First Quarter
May 25
Full
May 31
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:00 AM 46.4 °F 44.6 °F 93% 30.14 in 15.0 mi Calm Calm - N/A   Scattered Clouds
8:00 AM 53.6 °F 46.4 °F 77% 30.15 in 15.0 mi South 2.3 mph - N/A   Partly Cloudy
9:00 AM 60.8 °F 39.2 °F 45% 30.15 in 15.0 mi South 2.3 mph - N/A   Partly Cloudy
10:00 AM 62.6 °F 41.0 °F 45% 30.15 in 15.0 mi South 4.6 mph - N/A   Partly Cloudy
11:00 AM 66.2 °F 35.6 °F 32% 30.14 in 15.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:00 PM 66.2 °F 42.8 °F 43% 30.13 in 15.0 mi North 5.8 mph - N/A   Mostly Cloudy
1:00 PM 66.2 °F 42.8 °F 43% 30.11 in 15.0 mi North 10.4 mph - N/A   Scattered Clouds
2:00 PM 66.2 °F 41.0 °F 40% 30.10 in 15.0 mi North 11.5 mph - N/A   Mostly Cloudy
3:00 PM 66.2 °F 37.4 °F 35% 30.09 in 15.0 mi NNE 12.7 mph - N/A   Mostly Cloudy
4:00 PM 66.2 °F 37.4 °F 35% 30.06 in 15.0 mi NE 10.4 mph - N/A   Mostly Cloudy
5:00 PM 68.0 °F 32.0 °F 26% 30.04 in 15.0 mi NE 11.5 mph 17.3 mph N/A   Mostly Cloudy
6:00 PM 66.2 °F 30.2 °F 26% 30.04 in 15.0 mi NE 9.2 mph - N/A   Mostly Cloudy
7:00 PM 64.4 °F 33.8 °F 32% 30.03 in 15.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
8:00 PM 59.0 °F 37.4 °F 45% 30.04 in 15.0 mi North 5.8 mph - N/A   Mostly Cloudy
9:00 PM 53.6 °F 42.8 °F 67% 30.04 in 15.0 mi NE 2.3 mph - N/A   Mostly Cloudy