Weather History for Thunder Bay, ON

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Sunday, August 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 80 °F 30 °F 87 °F (2003)
Min Temperature 59 °F 22 °F 33 °F (2007)
Cooling Degree Days 4    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 68    
Maximum Humidity 94    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.03 in - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 6 mph ()    
Max Wind Speed 18 mph    
Max Gust Speed 26 mph    
Visibility 18.1 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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Astronomy

Aug. 18, 2013 Rise Set
Actual Time 6:55 AM EDT 9:05 PM EDT
Civil Twilight 6:21 AM EDT 9:39 PM EDT
Nautical Twilight 5:39 AM EDT 10:21 PM EDT
Astronomical Twilight 4:51 AM EDT 11:08 PM EDT
Moon 7:15 PM EDT (8/18) 3:58 AM EDT (8/18)
Length of Visible Light 15h 17m
Length of Day
14h 09m
Waxing Gibbous, 92% of the Moon is Illuminated
Aug 18
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
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
12:00 AM 68.0 °F - 55.4 °F 64% 30.02 in 15.0 mi WSW 6.9 mph - N/A   Scattered Clouds
1:00 AM 64.4 °F - 55.4 °F 73% 30.03 in 15.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
2:00 AM 62.6 °F - 55.4 °F 77% 30.03 in 15.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
3:00 AM 59.0 °F - 55.4 °F 88% 30.04 in 15.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
4:00 AM 60.8 °F - 55.4 °F 82% 30.04 in 15.0 mi SW 2.3 mph - N/A   Overcast
5:00 AM 59.0 °F - 55.4 °F 88% 30.03 in 15.0 mi WNW 2.3 mph - N/A   Overcast
6:00 AM 59.0 °F - 55.4 °F 88% 30.04 in 15.0 mi West 2.3 mph - N/A   Mostly Cloudy
7:00 AM 59.0 °F - 55.4 °F 88% 30.04 in 20.0 mi WNW 2.3 mph - N/A   Overcast
8:00 AM 59.0 °F - 57.2 °F 94% 30.04 in 20.0 mi NNW 3.5 mph - N/A   Overcast
9:00 AM 66.2 °F - 59.0 °F 78% 30.04 in 20.0 mi SW 3.5 mph - N/A   Overcast
10:00 AM 69.8 °F - 60.8 °F 73% 30.03 in 20.0 mi WSW 6.9 mph - N/A   Overcast
11:00 AM 71.6 °F - 60.8 °F 69% 30.03 in 20.0 mi SW 4.6 mph - N/A   Overcast
12:00 PM 73.4 °F - 64.4 °F 73% 30.02 in 20.0 mi SW 4.6 mph - N/A   Overcast
1:00 PM 75.2 °F - 62.6 °F 65% 30.00 in 20.0 mi SSW 8.1 mph - N/A   Overcast
2:00 PM 78.8 °F - 64.4 °F 61% 29.97 in 20.0 mi South 10.4 mph - N/A   Mostly Cloudy
3:00 PM 80.6 °F 81.5 °F 60.8 °F 51% 29.98 in 20.0 mi SW 18.4 mph 26.5 mph N/A   Mostly Cloudy
4:00 PM 80.6 °F 81.1 °F 59.0 °F 48% 29.96 in 20.0 mi SW 17.3 mph 25.3 mph N/A   Mostly Cloudy
5:00 PM 78.8 °F - 57.2 °F 47% 29.95 in 20.0 mi SW 15.0 mph 20.7 mph N/A   Mostly Cloudy
6:00 PM 77.0 °F - 59.0 °F 54% 29.96 in 20.0 mi SW 11.5 mph 17.3 mph N/A   Overcast
7:00 PM 77.0 °F - 57.2 °F 50% 29.95 in 20.0 mi SW 11.5 mph - N/A   Overcast
8:00 PM 75.2 °F - 57.2 °F 53% 29.94 in 20.0 mi SW 8.1 mph - N/A   Overcast
9:00 PM 73.4 °F - 55.4 °F 53% 29.93 in 20.0 mi SW 8.1 mph - N/A   Overcast
10:00 PM 71.6 °F - 55.4 °F 57% 29.93 in 15.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
11:00 PM 69.8 °F - 57.2 °F 64% 29.95 in 15.0 mi WNW 4.6 mph - N/A   Mostly Cloudy