Weather History for Grayling, MI

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Week of September 16, 2012 through September 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 64 °F 55 °F
Mean Temperature 64 °F 54 °F 48 °F
Min Temperature 54 °F 43 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 17 11 0 80
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 14 4 0 30
Dew Point  
Dew Point 63 °F 47 °F 36 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 32 mph 20 mph 10 mph
Sea Level Pressure  
Sea Level Pressure 30.14 in 29.86 in 29.69 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 19, 2012 Rise Set
Actual Time 7:23 AM EDT 7:41 PM EDT
Civil Twilight 6:53 AM EDT 8:10 PM EDT
Nautical Twilight 6:19 AM EDT 8:44 PM EDT
Astronomical Twilight 5:44 AM EDT 9:19 PM EDT
Moon 11:45 AM EDT (9/19) 9:36 PM EDT (9/19)
Length of Visible Light 13h 16m
Length of Day
12h 18m
Waxing Crescent, 17% of the Moon is Illuminated
Sep 19
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 77 58 39 55 46 39 100 67 30 30.14 30.04 29.97 10 10 0 16 3 23 0.00 Fog
17 75 64 54 63 55 45 100 77 52 29.97 29.84 29.70 10 10 4 14 4 21 0.00 Rain
18 57 50 41 53 46 41 100 88 60 29.94 29.77 29.69 10 10 7 18 9 29 0.00 Rain
19 59 48 37 46 41 36 100 76 43 30.03 29.94 29.80 10 10 7 17 6 26 0.00 Rain
20 66 58 50 53 48 42 100 76 42 29.88 29.80 29.75 10 10 5 16 9 24 0.00 Rain
21 62 50 37 52 46 37 100 84 54 29.87 29.82 29.74 10 10 5 13 3 22 0.00 Rain
22 55 48 41 50 46 40 100 92 63 30.04 29.83 29.69 10 9 4 20 5 32 0.00 Rain