Weather History for Sarnia, ON

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 86 °F 69 °F 91 °F (1977)
Min Temperature 38 °F 47 °F 34 °F (1956)
Degree Days  
Heating Degree Days 3    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 73    
Maximum Humidity 96    
Minimum Humidity 48    
Precipitation  
Precipitation 0.12 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 9 mph ()    
Max Wind Speed 23 mph    
Max Gust Speed 33 mph    
Visibility 8.9 miles    
Events Thunderstorm    
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

May. 20, 2013 Rise Set
Actual Time 6:00 AM EDT 8:51 PM EDT
Civil Twilight 5:27 AM EDT 9:24 PM EDT
Nautical Twilight 4:45 AM EDT 10:06 PM EDT
Astronomical Twilight 3:57 AM EDT 10:55 PM EDT
Moon 3:50 PM EDT (5/20) 3:03 AM EDT (5/20)
Length of Visible Light 15h 56m
Length of Day
14h 50m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
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
12:00 AM 66.2 °F - 59.0 °F 78% 29.94 in 9.0 mi SSE 8.1 mph - N/A   Clear
1:00 AM 64.4 °F - 59.0 °F 83% 29.94 in 9.0 mi SSE 8.1 mph - N/A   Clear
2:00 AM 39 °F - 29 °F 58% 30.26 in - South 2.3 mph - -  
2:00 AM 62.6 °F - 59.0 °F 88% 29.95 in 9.0 mi South 6.9 mph - N/A   Clear
3:00 AM 62.6 °F - 59.0 °F 88% 29.93 in 9.0 mi SSE 8.1 mph - N/A   Clear
4:00 AM 62.6 °F - 59.0 °F 88% 29.95 in 9.0 mi South 5.8 mph - N/A   Clear
5:00 AM 62.6 °F - 59.0 °F 88% 29.94 in 9.0 mi South 8.1 mph - N/A   Clear
6:00 AM 62.6 °F - 60.8 °F 94% 29.95 in 8.0 mi SSE 6.9 mph - N/A   Clear
7:00 AM 64.4 °F - 60.8 °F 88% 29.96 in 7.0 mi South 8.1 mph - N/A   Clear
8:00 AM 46 °F - 38 °F 63% 30.17 in - South 3.5 mph - -  
8:00 AM 68.0 °F - 62.6 °F 83% 29.94 in 9.0 mi South 8.1 mph - N/A   Clear
9:00 AM 71.6 °F - 64.4 °F 78% 29.94 in 9.0 mi South 10.4 mph - N/A   Clear
10:00 AM 77.0 °F - 66.2 °F 69% 29.92 in 9.0 mi South 11.5 mph - N/A   Clear
11:00 AM 78.8 °F - 66.2 °F 65% 29.94 in 9.0 mi SW 8.1 mph 17.3 mph N/A   Clear
11:23 AM 80.6 °F 82.7 °F 66.2 °F 61% 29.94 in 9.0 mi SSE 12.7 mph - N/A   Clear
12:00 PM 82.4 °F 84.6 °F 66.2 °F 58% 29.91 in 9.0 mi South 15.0 mph - N/A   Clear
1:00 PM 86.0 °F 87.3 °F 64.4 °F 48% 29.89 in 9.0 mi South 16.1 mph 23.0 mph N/A   Partly Cloudy
2:00 PM 51 °F - 48 °F 85% 30.10 in - South 3.5 mph - -  
2:00 PM 86.0 °F 87.3 °F 64.4 °F 48% 29.87 in 9.0 mi South 21.9 mph - N/A   Mostly Cloudy
3:00 PM 86.0 °F 88.2 °F 66.2 °F 51% 29.85 in 9.0 mi South 19.6 mph 27.6 mph N/A   Mostly Cloudy
4:00 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.83 in 9.0 mi SSW 19.6 mph 27.6 mph N/A   Scattered Clouds
5:00 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.79 in 9.0 mi South 23.0 mph 28.8 mph N/A   Partly Cloudy
6:00 PM 84.2 °F 87.3 °F 68.0 °F 58% 29.80 in 9.0 mi South 19.6 mph 26.5 mph N/A   Clear
7:00 PM 84.2 °F 87.3 °F 68.0 °F 58% 29.80 in 9.0 mi South 15.0 mph 25.3 mph N/A   Clear
8:00 PM 47 °F - 46 °F 96% 30.05 in - South 3.5 mph - -  
8:00 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.81 in 9.0 mi South 13.8 mph 21.9 mph N/A   Clear
8:14 PM 80.6 °F 83.2 °F 68.0 °F 65% 29.81 in 9.0 mi South 12.7 mph 19.6 mph N/A Thunderstorm Clear
8:36 PM 68.0 °F - 60.8 °F 78% 29.86 in 9.0 mi North 21.9 mph - N/A Thunderstorm Mostly Cloudy
8:43 PM 68.0 °F - 60.8 °F 78% 29.87 in 9.0 mi North 16.1 mph 33.4 mph N/A Thunderstorm Thunderstorm
9:00 PM 68.0 °F - 60.8 °F 78% 29.86 in 9.0 mi East 6.9 mph - N/A Thunderstorm Thunderstorm
9:02 PM 68.0 °F - 60.8 °F 78% 29.86 in 9.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
10:00 PM 66.2 °F - 60.8 °F 83% 29.86 in 9.0 mi NE 6.9 mph - N/A   Mostly Cloudy
11:00 PM 64.4 °F - 60.8 °F 88% 29.85 in 9.0 mi ESE 9.2 mph - N/A   Clear