Weather History for Pontiac, MI

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Week of December 2, 2012 through December 8, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 47 °F 37 °F
Mean Temperature 51 °F 41 °F 30 °F
Min Temperature 42 °F 34 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 34 24 14 168
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 1 0 0 2
Dew Point  
Dew Point 57 °F 37 °F 17 °F
Precipitation  
Precipitation 0.36 in 0.10 in 0.00 in 0.71 in
Snowdepth - - - -
Wind  
Wind 16 mph 7 mph 0 mph
Gust Wind 32 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.05 in 29.82 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:50 AM EST 5:00 PM EST
Civil Twilight 7:18 AM EST 5:31 PM EST
Nautical Twilight 6:43 AM EST 6:07 PM EST
Astronomical Twilight 6:09 AM EST 6:41 PM EST
Moon 1:01 AM EST (12/7) 1:03 PM EST (12/7)
Length of Visible Light 10h 13m
Length of Day
9h 09m
Last Quarter, 39% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Daily Weather History & Observations

2012 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  
2 55 48 42 54 49 42 100 90 77 30.11 29.98 29.91 10 6 2 13 8 24 0.23 Fog , Rain
3 61 51 42 57 49 42 100 97 81 30.14 30.05 29.90 10 3 0 16 5 32 0.00 Fog
4 61 51 39 54 46 29 100 81 58 30.12 29.95 29.89 10 8 2 16 12 26 0.36 Rain
5 37 30 24 28 20 17 81 66 52 30.40 30.34 30.14 10 10 10 16 10 24 0.00  
6 37 32 26 30 25 19 86 76 62 30.35 30.17 29.98 10 10 10 14 6 20 0.00  
7 42 39 36 41 37 31 100 92 79 29.97 29.93 29.88 10 4 1 8 3 - 0.02 Rain
8 39 36 32 39 34 27 100 92 78 30.18 29.95 29.82 10 6 2 12 6 18 0.10 Rain , Snow