Weather History for Ann Arbor, MI

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Month of July, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 100 °F 89 °F 80 °F
Mean Temperature 87 °F 76 °F 66 °F
Min Temperature 75 °F 63 °F 54 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 22 11 2 327
Growing Degree Days (base 50) 37 26 16 796
Dew Point  
Dew Point 76 °F 65 °F 32 °F
Precipitation  
Precipitation 4.46 in 0.23 in 0.00 in 6.99 in
Snowdepth - - - -
Wind  
Wind 38 mph 4 mph 0 mph
Gust Wind 70 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.13 in 29.95 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 08, 2011 Rise Set
Actual Time 6:06 AM EDT 9:13 PM EDT
Civil Twilight 5:32 AM EDT 9:47 PM EDT
Nautical Twilight 4:48 AM EDT 10:30 PM EDT
Astronomical Twilight 3:56 AM EDT 11:22 PM EDT
Moon 2:38 PM EDT (7/8) 12:40 AM EDT (7/8)
Length of Visible Light 16h 14m
Length of Day
15h 06m
First Quarter, 55% of the Moon is Illuminated
Jul 8
First Quarter
Jul 15
Full
Jul 23
Last Quarter
Jul 30
New
Aug 6
First Quarter

Weather History Calendar

Precipitation Actual month total 6.99 Average Month Total: 1.84
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
87 | 57 0.00
Average:
79 | 55 0.04
Thunderstorm
Actual:
97 | 62 0.43
Average:
79 | 55 0.04
Scattered Clouds
Actual:
88 | 66 0.01
Average:
79 | 55 0.04
Scattered Clouds
Actual:
86 | 64 0.00
Average:
79 | 55 0.04
Fog
Actual:
88 | 55 0.00
Average:
79 | 55 0.04
Clear
Actual:
89 | 60 0.00
Average:
79 | 55 0.04
Clear
Actual:
82 | 63 0.00
Average:
79 | 54 0.04
Thunderstorm
Actual:
86 | 61 0.00
Average:
79 | 54 0.04
Scattered Clouds
Actual:
89 | 57 0.00
Average:
80 | 54 0.04
Clear
Actual:
91 | 62 0.00
Average:
80 | 54 0.04
Thunderstorm
Actual:
82 | 64 0.54
Average:
80 | 54 0.04
Fog
Actual:
89 | 64 0.00
Average:
80 | 54 0.05
Scattered Clouds
Actual:
80 | 62 0.00
Average:
81 | 54 0.05
Clear
Actual:
80 | 54 0.00
Average:
81 | 54 0.05
Clear
Actual:
84 | 60 0.00
Average:
81 | 55 0.05
Clear
Actual:
89 | 59 0.00
Average:
81 | 55 0.06
Fog
Actual:
93 | 62 0.00
Average:
81 | 55 0.06
Thunderstorm
Actual:
95 | 70 0.14
Average:
81 | 55 0.07
Partly Cloudy
Actual:
93 | 69 0.00
Average:
80 | 55 0.07
Fog
Actual:
96 | 66 0.00
Average:
80 | 56 0.07
Clear
Actual:
100 | 75 0.00
Average:
80 | 56 0.07
Thunderstorm
Actual:
93 | 62 0.00
Average:
80 | 56 0.08
Thunderstorm
Actual:
91 | 66 0.00
Average:
80 | 56 0.08
Fog
Actual:
89 | 66 0.00
Average:
80 | 56 0.08
Scattered Clouds
Actual:
89 | 64 0.00
Average:
80 | 57 0.08
Clear
Actual:
87 | 59 0.00
Average:
80 | 57 0.08
Thunderstorm
Actual:
82 | 55 0.47
Average:
80 | 57 0.08
Thunderstorm
Actual:
90 | 69 4.46
Average:
80 | 56 0.08
Thunderstorm
Actual:
88 | 69 0.93
Average:
80 | 56 0.08
Clear
Actual:
90 | 62 0.01
Average:
80 | 56 0.08
Clear
Actual:
91 | 62 0.00
Average:
80 | 56 0.08
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 87 72 57 62 59 56 100 66 43 30.05 30.02 29.97 10 9 5 10 2 - 0.00  
2 97 79 62 76 70 59 100 75 43 30.01 29.93 29.83 10 7 0 29 7 44 0.43 Rain , Thunderstorm
3 88 77 66 71 65 60 100 65 45 30.00 29.95 29.87 10 8 1 10 4 18 0.01  
4 86 75 64 62 60 53 90 61 33 29.97 29.93 29.90 10 10 10 8 3 - 0.00  
5 88 72 55 64 59 55 100 77 40 30.01 29.98 29.91 10 6 0 10 2 - 0.00 Fog
6 89 74 60 66 61 54 93 62 41 29.96 29.93 29.90 10 10 10 12 5 20 0.00  
7 82 72 63 62 59 54 90 65 47 30.02 29.96 29.90 10 10 10 8 5 - 0.00  
8 86 74 61 62 57 50 90 62 29 29.90 29.86 29.82 10 10 10 9 2 - 0.00 Thunderstorm
9 89 73 57 65 59 55 96 64 34 29.98 29.95 29.88 10 10 6 8 2 16 0.00  
10 91 76 62 65 62 59 93 62 38 29.99 29.95 29.89 10 10 9 12 3 17 0.00  
11 82 72 64 74 68 62 100 89 64 30.00 29.85 29.74 10 7 0 38 3 70 0.54 Fog , Rain , Thunderstorm
12 89 76 64 75 68 63 100 80 46 29.91 29.87 29.83 10 8 0 14 5 18 0.00 Fog
13 80 72 62 62 55 32 80 60 19 30.09 30.00 29.92 10 10 10 14 10 16 0.00  
14 80 66 54 59 55 48 90 65 42 30.11 30.07 30.01 10 10 10 8 4 - 0.00  
15 84 73 60 63 57 50 96 62 31 30.06 30.02 29.98 10 10 10 8 3 - 0.00  
16 89 74 59 69 63 57 97 73 43 30.08 30.04 30.02 10 9 2 9 2 - 0.00  
17 93 78 62 70 66 61 100 82 42 30.13 30.09 30.03 10 5 0 10 1 45 0.00 Fog
18 95 82 70 75 71 68 94 80 56 30.03 29.96 29.86 10 9 5 10 4 - 0.14 Rain , Thunderstorm
19 93 81 69 74 72 65 100 78 42 29.91 29.87 29.83 10 7 1 8 3 - 0.00  
20 96 81 66 76 71 66 100 84 40 29.89 29.85 29.76 10 4 0 13 2 21 0.00 Fog
21 100 87 75 76 73 63 94 66 46 29.83 29.76 29.74 10 9 7 18 7 24 0.00  
22 93 76 62 72 67 60 100 79 39 30.01 29.92 29.86 10 8 1 24 4 34 0.00 Rain , Thunderstorm
23 91 78 66 75 70 66 100 92 52 30.02 29.96 29.92 10 3 0 8 2 - 0.00 Fog , Rain , Thunderstorm
24 89 78 66 74 70 66 100 89 57 30.01 29.97 29.92 10 4 0 6 1 - 0.00 Fog
25 89 76 64 72 65 56 93 67 35 29.91 29.87 29.81 10 10 7 14 7 31 0.00  
26 87 72 59 64 57 50 87 60 32 29.89 29.82 29.78 10 10 10 14 8 28 0.00  
27 82 68 55 70 65 55 100 84 54 29.98 29.95 29.91 10 7 1 8 3 - 0.47 Rain , Thunderstorm
28 90 80 69 75 73 68 100 81 59 29.97 29.93 29.87 10 6 0 21 8 34 4.46 Fog , Rain , Thunderstorm
29 88 80 69 74 72 67 100 87 51 30.02 29.94 29.89 10 7 1 20 7 31 0.93 Rain , Thunderstorm
30 90 76 62 70 65 61 100 86 40 30.11 30.07 30.03 10 6 1 10 1 - 0.01  
31 91 76 62 70 66 63 100 79 41 30.11 30.06 30.01 10 8 1 14 3 20 0.00