St. John's, Canada

8:03 PM NST on January 21, 2018 (GMT -0330)
St. John's International

Weather History for CYYT - September, 2012

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Tuesday, September 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F -  
Max Temperature 69 °F 55 °F 71 °F (1999)
Min Temperature 49 °F 41 °F 38 °F (2013)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.19 in - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 12 mph ()    
Max Wind Speed 18 mph    
Max Gust Speed 23 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

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Date:

Astronomy

Sep. 18, 2012 Rise Set
Actual Time 6:42 AM NDT 7:06 PM NDT
Civil Twilight 6:11 AM NDT 7:36 PM NDT
Nautical Twilight 5:35 AM NDT 8:13 PM NDT
Astronomical Twilight 4:57 AM NDT 8:50 PM NDT
Moon 9:52 AM NDT (9/18) 8:05 PM NDT (9/18)
Length of Visible Light 13h 24m
Length of Day
12h 23m
Waxing Crescent, 8% of the Moon is Illuminated
Sep 18
Waxing Crescent
Sep 22
First Quarter
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (NDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:30 AM 51.8 °F 50.0 °F 94% 29.96 in 15.0 mi West 16.1 mph - N/A   Clear
2:30 AM 51.8 °F 50.0 °F 94% 29.99 in 15.0 mi West 15.0 mph - N/A   Clear
3:30 AM 51 °F 51 °F 98% 30.00 in - West 18.4 mph - -  
3:30 AM 51.8 °F 50.0 °F 94% 30.00 in 15.0 mi West 17.3 mph 23.0 mph N/A   Clear
4:30 AM 50.0 °F 50.0 °F 100% 30.01 in 15.0 mi West 15.0 mph - N/A   Clear
5:30 AM 50.0 °F 48.2 °F 94% 30.04 in 15.0 mi West 13.8 mph - N/A   Clear
6:30 AM 50.0 °F 48.2 °F 94% 30.07 in 15.0 mi West 11.5 mph - N/A   Clear
7:30 AM 51.8 °F 50.0 °F 94% 30.10 in 15.0 mi West 15.0 mph - N/A   Clear
8:30 AM 53.6 °F 51.8 °F 94% 30.12 in 15.0 mi West 15.0 mph - N/A   Clear
9:30 AM 57 °F 52 °F 76% 30.14 in - West 15.0 mph - -  
9:30 AM 57.2 °F 51.8 °F 82% 30.14 in 15.0 mi West 15.0 mph - N/A   Partly Cloudy
10:30 AM 60.8 °F 53.6 °F 77% 30.15 in 15.0 mi West 12.7 mph - N/A   Partly Cloudy
11:30 AM 64.4 °F 51.8 °F 64% 30.17 in 15.0 mi West 15.0 mph - N/A   Partly Cloudy
12:30 PM 66.2 °F 53.6 °F 64% 30.19 in 15.0 mi West 15.0 mph - N/A   Partly Cloudy
1:30 PM 68.0 °F 53.6 °F 60% 30.20 in 15.0 mi WNW 12.7 mph 19.6 mph N/A   Partly Cloudy
2:30 PM 68.0 °F 53.6 °F 60% 30.21 in 15.0 mi West 13.8 mph - N/A   Partly Cloudy
3:30 PM 69 °F 50 °F 40% 30.22 in - WNW 11.5 mph - -  
3:30 PM 68.0 °F 50.0 °F 52% 30.22 in 15.0 mi WNW 12.7 mph - N/A   Partly Cloudy
4:30 PM 68.0 °F 50.0 °F 52% 30.24 in 15.0 mi West 10.4 mph - N/A   Partly Cloudy
5:30 PM 68.0 °F 51.8 °F 56% 30.26 in 15.0 mi West 8.1 mph - N/A   Partly Cloudy
6:30 PM 64.4 °F 51.8 °F 64% 30.27 in 15.0 mi West 5.8 mph - N/A   Partly Cloudy
7:30 PM 59.0 °F 51.8 °F 77% 30.29 in 15.0 mi South 4.6 mph - N/A   Partly Cloudy
8:30 PM 57.2 °F 51.8 °F 82% 30.31 in 15.0 mi WSW 6.9 mph - N/A   Clear
9:30 PM 55 °F 50 °F 78% 30.33 in - WSW 8.1 mph - -  
9:30 PM 55.4 °F 50.0 °F 82% 30.32 in 15.0 mi SW 8.1 mph - N/A   Clear
10:30 PM 55.4 °F 50.0 °F 82% 30.33 in 15.0 mi SSW 9.2 mph - N/A   Clear
11:30 PM 53.6 °F 50.0 °F 88% 30.34 in 15.0 mi WSW 9.2 mph - N/A   Clear