Weather History for Ann Arbor, MI

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 84 °F 71 °F
Mean Temperature 80 °F 69 °F 58 °F
Min Temperature 69 °F 55 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 7 0 0 12
Cooling Degree Days (base 65) 14 4 0 137
Growing Degree Days (base 50) 30 19 8 596
Dew Point  
Dew Point 73 °F 56 °F 38 °F
Precipitation  
Precipitation 0.61 in 0.05 in 0.00 in 1.43 in
Snowdepth - - - -
Wind  
Wind 20 mph 3 mph 0 mph
Gust Wind 86 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.17 in 29.98 in 29.65 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 09, 2012 Rise Set
Actual Time 6:36 AM EDT 8:43 PM EDT
Civil Twilight 6:05 AM EDT 9:14 PM EDT
Nautical Twilight 5:27 AM EDT 9:51 PM EDT
Astronomical Twilight 4:46 AM EDT 10:32 PM EDT
Moon No Moon Rise 2:27 PM EDT (8/9)
Length of Visible Light 15h 08m
Length of Day
14h 06m
Waning Gibbous, 51% of the Moon is Illuminated
Aug 9
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Weather History Calendar

Precipitation Actual month total 1.43 Average Month Total: 2.05
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
87 | 57 0.00
Average:
80 | 56 0.08
Clear
Actual:
93 | 52 0.00
Average:
79 | 56 0.08
Clear
Actual:
96 | 60 0.00
Average:
79 | 56 0.08
Thunderstorm
Actual:
91 | 64 0.00
Average:
79 | 56 0.08
Rain
Actual:
90 | 69 0.00
Average:
79 | 56 0.08
Fog
Actual:
84 | 44 0.00
Average:
79 | 56 0.07
Fog
Actual:
91 | 48 0.00
Average:
79 | 55 0.07
Scattered Clouds
Actual:
90 | 61 0.00
Average:
78 | 55 0.07
Thunderstorm
Actual:
72 | 62 0.13
Average:
78 | 55 0.07
Rain
Actual:
71 | 60 0.20
Average:
78 | 55 0.07
Rain
Actual:
72 | 59 0.05
Average:
78 | 54 0.07
Scattered Clouds
Actual:
82 | 55 0.00
Average:
77 | 54 0.07
Rain
Actual:
77 | 60 0.06
Average:
77 | 54 0.07
Rain
Actual:
81 | 57 0.33
Average:
77 | 53 0.07
Fog
Actual:
84 | 51 0.00
Average:
77 | 53 0.07
Rain
Actual:
82 | 57 0.05
Average:
76 | 53 0.07
Scattered Clouds
Actual:
78 | 59 0.00
Average:
76 | 53 0.07
Fog
Actual:
77 | 41 0.00
Average:
76 | 53 0.07
Scattered Clouds
Actual:
80 | 48 0.00
Average:
76 | 54 0.07
Scattered Clouds
Actual:
79 | 48 0.00
Average:
76 | 54 0.07
Fog
Actual:
82 | 50 0.00
Average:
76 | 54 0.06
Fog
Actual:
84 | 48 0.00
Average:
77 | 54 0.06
Fog
Actual:
88 | 46 0.00
Average:
77 | 54 0.06
Fog
Actual:
90 | 51 0.00
Average:
77 | 54 0.06
Fog
Actual:
93 | 57 0.00
Average:
77 | 54 0.06
Rain
Actual:
91 | 57 0.00
Average:
77 | 54 0.05
Rain
Actual:
87 | 64 0.61
Average:
77 | 53 0.05
Clear
Actual:
81 | 55 0.00
Average:
77 | 53 0.05
Fog
Actual:
81 | 50 0.00
Average:
77 | 53 0.05
Fog
Actual:
84 | 48 0.00
Average:
77 | 53 0.05
Clear
Actual:
93 | 55 0.00
Average:
77 | 53 0.05
 

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

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  
1 87 74 57 63 58 52 93 60 31 29.94 29.91 29.88 10 10 10 10 5 - 0.00  
2 93 72 52 65 59 51 97 63 30 29.91 29.88 29.83 10 10 10 10 2 16 0.00  
3 96 76 60 68 63 58 93 63 33 29.96 29.92 29.88 10 10 9 10 2 17 0.00  
4 91 78 64 73 67 63 97 77 50 30.00 29.93 29.83 10 6 0 17 3 24 0.00 Fog , Rain , Thunderstorm
5 90 80 69 72 63 49 94 69 30 30.11 29.94 29.86 10 8 4 20 8 28 0.00 Rain
6 84 64 44 54 48 43 100 72 27 30.17 30.12 30.02 10 6 0 9 1 28 0.00 Fog
7 91 70 48 59 51 46 94 70 26 30.02 29.98 29.90 10 6 0 13 2 21 0.00 Fog
8 90 75 61 65 58 51 87 56 30 29.97 29.95 29.93 10 10 10 12 4 17 0.00  
9 72 67 62 63 61 54 94 87 53 29.98 29.90 29.80 10 7 2 15 6 21 0.13 Rain , Thunderstorm
10 71 65 60 63 60 57 94 87 64 29.79 29.70 29.65 10 7 1 14 6 25 0.20 Rain
11 72 65 59 59 57 55 93 83 61 29.95 29.82 29.72 10 8 2 15 10 20 0.05 Rain
12 82 68 55 59 56 53 93 67 38 30.01 29.98 29.94 10 10 10 14 5 20 0.00  
13 77 68 60 62 59 55 93 75 50 30.02 29.98 29.95 10 10 5 6 2 - 0.06 Rain
14 81 69 57 62 59 53 94 78 40 29.95 29.92 29.87 10 7 2 10 5 - 0.33 Rain
15 84 68 51 64 56 51 100 85 40 29.97 29.94 29.92 10 5 0 9 1 - 0.00 Fog
16 82 70 57 64 60 56 100 82 46 29.98 29.91 29.77 10 5 0 18 3 29 0.05 Fog , Rain
17 78 67 59 62 54 47 93 65 37 29.98 29.91 29.84 10 10 9 14 7 23 0.00  
18 77 58 41 49 44 38 100 72 27 30.04 30.00 29.95 10 7 0 7 2 - 0.00 Fog
19 80 63 48 52 48 43 93 60 31 29.97 29.94 29.89 10 10 10 10 1 - 0.00  
20 79 63 48 55 50 46 94 71 32 30.00 29.95 29.92 10 8 1 9 2 - 0.00  
21 82 66 50 56 52 48 97 79 31 30.11 30.05 30.00 10 7 0 12 1 - 0.00 Fog
22 84 65 48 59 50 46 100 77 28 30.15 30.11 30.07 10 4 0 10 1 - 0.00 Fog
23 88 67 46 57 51 46 100 75 29 30.16 30.12 30.08 10 6 0 16 2 86 0.00 Fog
24 90 70 51 62 55 50 100 79 30 30.14 30.11 30.04 10 4 0 10 1 17 0.00 Fog
25 93 74 57 63 58 53 100 76 27 30.13 30.10 30.06 10 4 0 12 1 - 0.00 Fog
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