Weather History for Ann Arbor, MI

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Week of August 26, 2012 through September 1, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 86 °F 81 °F
Mean Temperature 76 °F 71 °F 66 °F
Min Temperature 69 °F 57 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 10 6 0 42
Growing Degree Days (base 50) 26 21 16 150
Dew Point  
Dew Point 70 °F 59 °F 47 °F
Precipitation  
Precipitation 0.61 in 0.09 in 0.00 in 0.61 in
Snowdepth - - - -
Wind  
Wind 18 mph 4 mph 0 mph
Gust Wind 50 mph 23 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.15 in 30.06 in 29.93 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Aug. 29, 2012 Rise Set
Actual Time 6:57 AM EDT 8:12 PM EDT
Civil Twilight 6:28 AM EDT 8:41 PM EDT
Nautical Twilight 5:53 AM EDT 9:16 PM EDT
Astronomical Twilight 5:17 AM EDT 9:53 PM EDT
Moon 6:53 PM EDT (8/29) 4:50 AM EDT (8/29)
Length of Visible Light 14h 13m
Length of Day
13h 15m
Waxing Gibbous, 96% of the Moon is Illuminated
Aug 29
Waxing Gibbous
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
26 91 74 57 67 60 57 100 79 35 30.15 30.10 30.00 10 5 0 16 2 26 0.00 Fog , Rain
27 87 74 64 70 67 56 94 83 43 30.04 30.00 29.93 10 6 0 12 3 - 0.61 Fog , Rain
28 81 70 55 58 55 52 90 61 39 30.10 30.06 30.01 10 10 10 15 7 23 0.00  
29 81 66 50 59 54 48 100 78 36 30.13 30.09 30.04 10 6 0 6 1 - 0.00 Fog
30 84 66 48 59 53 47 100 80 34 30.12 30.08 30.01 10 4 0 14 2 21 0.00 Fog
31 93 74 55 69 62 53 93 67 39 30.05 30.02 29.99 10 10 7 18 6 50 0.00  
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  
1 84 76 69 66 59 55 87 60 44 30.12 30.08 30.02 10 10 8 8 4 - 0.00