Weather History for Ann Arbor, MI

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Week of October 16, 2011 through October 22, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 60 °F 54 °F 46 °F
Mean Temperature 51 °F 46 °F 43 °F
Min Temperature 46 °F 39 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 22 18 14 128
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 1 0 0 1
Dew Point  
Dew Point 49 °F 40 °F 27 °F
Precipitation  
Precipitation 0.95 in 0.20 in 0.00 in 1.37 in
Snowdepth - - - -
Wind  
Wind 23 mph 9 mph 0 mph
Gust Wind 32 mph 24 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.73 in 29.08 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Oct. 17, 2011 Rise Set
Actual Time 7:49 AM EDT 6:50 PM EDT
Civil Twilight 7:21 AM EDT 7:18 PM EDT
Nautical Twilight 6:48 AM EDT 7:51 PM EDT
Astronomical Twilight 6:16 AM EDT 8:23 PM EDT
Moon 10:25 PM EDT (10/17) 12:59 PM EDT (10/17)
Length of Visible Light 11h 57m
Length of Day
11h 00m
Waning Gibbous, 74% of the Moon is Illuminated
Oct 17
Waning Gibbous
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 59 50 44 47 41 33 82 70 45 29.83 29.75 29.66 10 10 10 20 10 29 0.00  
17 60 51 42 38 35 31 82 60 36 29.81 29.75 29.71 10 10 10 23 11 31 0.00  
18 54 43 32 46 38 31 97 83 59 29.83 29.81 29.78 10 10 6 6 3 - 0.06 Rain
19 50 48 46 49 46 44 100 92 86 29.76 29.51 29.17 10 8 2 21 13 32 0.95 Rain
20 50 46 42 49 46 40 100 95 85 29.69 29.25 29.08 10 5 1 20 12 28 0.36 Rain
21 46 44 43 41 39 35 93 80 71 30.10 29.96 29.73 10 10 10 14 11 21 0.00  
22 59 43 27 39 32 27 100 88 42 30.12 30.09 30.06 10 5 0 10 1 - 0.00 Fog