Weather History for Pontiac, MI

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Week of December 15, 2013 through December 21, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 37 °F 29 °F 19 °F
Mean Temperature 33 °F 24 °F 12 °F
Min Temperature 31 °F 19 °F 6 °F
Degree Days  
Heating Degree Days (base 65) 52 41 32 286
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 34 °F 21 °F 2 °F
Precipitation  
Precipitation 0.45 in 0.11 in 0.00 in 0.78 in
Snowdepth 6.0 in 4.9 in 3.0 in -
Wind  
Wind 25 mph 6 mph 0 mph
Gust Wind 33 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.18 in 29.90 in 29.66 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 20, 2013 Rise Set
Actual Time 8:00 AM EST 5:02 PM EST
Civil Twilight 7:27 AM EST 5:34 PM EST
Nautical Twilight 6:52 AM EST 6:10 PM EST
Astronomical Twilight 6:17 AM EST 6:45 PM EST
Moon 8:26 PM EST (12/20) 9:50 AM EST (12/20)
Length of Visible Light 10h 07m
Length of Day
9h 02m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 20
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
15 23 16 10 19 14 3 93 82 64 30.02 29.83 29.75 10 5 1 25 9 33 0.00 Snow
16 19 12 6 12 6 2 86 73 52 30.18 30.08 29.96 10 9 2 12 6 - 0.01 Snow
17 27 20 12 22 17 10 93 84 74 30.00 29.91 29.82 10 5 1 14 5 20 0.02 Snow
18 28 24 21 23 20 12 93 80 60 30.09 30.00 29.89 10 6 2 14 6 21 0.01 Snow
19 37 30 23 31 26 14 89 77 58 29.99 29.93 29.85 10 8 1 9 5 - 0.00 Rain
20 35 33 31 34 32 30 100 93 87 29.90 29.78 29.71 5 2 0 8 4 - 0.29 Fog , Rain
21 33 32 31 32 30 28 100 92 81 29.87 29.78 29.66 9 4 0 13 5 21 0.45 Fog , Rain