St. Catharines,

7:13 AM EDT on May 20, 2018 (GMT -0400)
St. Catharines

Weather History for CYSN - December, 2012

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Saturday, December 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 44 °F 33 °F 46 °F (2004)
Min Temperature 37 °F 24 °F 14 °F (2005)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 39 °F    
Average Humidity 94    
Maximum Humidity 100    
Minimum Humidity 75    
Precipitation  
Precipitation 0.00 in -3.42 in - ()
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 4.5 miles    
Events Rain    
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

Dec. 08, 2012 Rise Set
Actual Time 7:36 AM EST 4:41 PM EST
Civil Twilight 7:04 AM EST 5:13 PM EST
Nautical Twilight 6:28 AM EST 5:49 PM EST
Astronomical Twilight 5:53 AM EST 6:23 PM EST
Moon 1:51 AM EST (12/8) 1:16 PM EST (12/8)
Length of Visible Light 10h 09m
Length of Day
9h 04m
Waning Crescent, 28% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:00 AM 41.0 °F 39.0 °F 41.0 °F 100% 29.83 in 3.0 mi ENE 3.5 mph - N/A Rain Light Rain
7:30 AM 41.0 °F - 41.0 °F 100% 29.83 in 2.2 mi Calm Calm - N/A Rain Light Rain
8:00 AM 41.0 °F 39.0 °F 41.0 °F 100% 29.82 in 2.5 mi NNE 3.5 mph - N/A Rain Light Rain
9:00 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.81 in 2.5 mi NE 3.5 mph - N/A Rain Light Rain
10:00 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.82 in 2.0 mi NW 3.5 mph - N/A Rain Light Rain
11:00 AM 44.6 °F 42.2 °F 42.8 °F 93% 29.81 in 2.2 mi NNW 4.6 mph - N/A Rain Light Rain Showers
11:47 AM 44.6 °F 43.1 °F 44.6 °F 100% 29.80 in 3.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
12:00 PM 44.6 °F 43.1 °F 42.8 °F 93% 29.80 in 4.0 mi North 3.5 mph - N/A   Overcast
1:00 PM 44.6 °F 40.2 °F 42.8 °F 93% 29.81 in 5.0 mi WNW 8.1 mph - N/A   Overcast
1:14 PM 44.6 °F 39.2 °F 42.8 °F 93% 29.81 in 3.0 mi NW 10.4 mph - N/A   Overcast
1:26 PM 42.8 °F 37.0 °F 42.8 °F 100% 29.81 in 1.0 mi NW 10.4 mph - N/A   Mist
2:00 PM 42.8 °F 38.6 °F 42.8 °F 100% 29.82 in 1.0 mi NW 6.9 mph - N/A   Mist
2:46 PM 42.8 °F 38.0 °F 41.0 °F 93% 29.84 in 1.8 mi NW 8.1 mph - N/A   Overcast
3:00 PM 42.8 °F 38.0 °F 41.0 °F 93% 29.84 in 1.8 mi NW 8.1 mph - N/A   Overcast
3:26 PM 41.0 °F 34.7 °F 41.0 °F 100% 29.87 in 2.0 mi NW 10.4 mph - N/A   Light Drizzle
3:36 PM 41.0 °F 33.1 °F 41.0 °F 100% 29.88 in 1.8 mi NNW 15.0 mph - N/A Rain Light Rain
3:51 PM 39.2 °F 31.2 °F 39.2 °F 100% 29.89 in 1.0 mi NNW 13.8 mph 21.9 mph N/A Rain Light Rain
4:00 PM 39.2 °F 31.2 °F 39.2 °F 100% 29.90 in 1.0 mi NNW 13.8 mph - N/A Rain Light Rain
4:11 PM 39.2 °F 31.2 °F 37.4 °F 93% 29.91 in 2.0 mi NW 13.8 mph 21.9 mph N/A Rain Light Rain
4:20 PM 39.2 °F 30.8 °F 37.4 °F 93% 29.91 in 3.0 mi NNW 15.0 mph 23.0 mph N/A Rain Light Rain Showers
4:50 PM 39.2 °F 31.2 °F 37.4 °F 93% 29.94 in 5.0 mi NNW 13.8 mph 21.9 mph N/A Rain Light Rain Showers
5:00 PM 39.2 °F 32.0 °F 35.6 °F 87% 29.94 in 6.0 mi NW 11.5 mph 18.4 mph N/A Rain Light Rain Showers
5:24 PM 39.2 °F 32.0 °F 35.6 °F 87% 29.96 in 9.0 mi NW 11.5 mph - N/A   Mostly Cloudy
6:00 PM 39.2 °F 33.0 °F 35.6 °F 87% 29.98 in 12.0 mi NW 9.2 mph - N/A   Mostly Cloudy
7:00 PM 39.2 °F 32.0 °F 33.8 °F 81% 30.02 in 15.0 mi NNW 11.5 mph - N/A   Overcast
8:00 PM 37.4 °F 27.8 °F 30.2 °F 75% 30.06 in 15.0 mi NNW 17.3 mph - N/A   Mostly Cloudy
9:00 PM 37.4 °F 30.3 °F 30.2 °F 75% 30.10 in 15.0 mi NNW 10.4 mph - N/A   Overcast