Ann Arbor, MI

9:25 PM EST on December 09, 2016 (GMT -0500)
Ann Arbor Municipal

Weather History for KARB - September, 2011

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Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 71 °F 53 °F
Mean Temperature 80 °F 61 °F 47 °F
Min Temperature 68 °F 52 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 18 6 0 181
Cooling Degree Days (base 65) 16 2 0 63
Growing Degree Days (base 50) 30 11 0 337
Dew Point  
Dew Point 73 °F 55 °F 35 °F
Precipitation  
Precipitation 0.35 in 0.06 in 0.00 in 1.77 in
Snowdepth - - - -
Wind  
Wind 32 mph 5 mph 0 mph
Gust Wind 88 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.99 in 29.49 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 04, 2011 Rise Set
Actual Time 7:03 AM EDT 8:04 PM EDT
Civil Twilight 6:34 AM EDT 8:32 PM EDT
Nautical Twilight 6:00 AM EDT 9:06 PM EDT
Astronomical Twilight 5:24 AM EDT 9:42 PM EDT
Moon 2:56 PM EDT (9/4) No Moon Set
Length of Visible Light 13h 58m
Length of Day
13h 01m
Waxing Crescent, 49% of the Moon is Illuminated
Sep 4
Waxing Crescent
Sep 4
First Quarter
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New

Daily Weather History & Observations

2011 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 89 76 64 73 68 63 100 85 46 30.01 29.97 29.93 10 5 1 7 1 - 0.00  
2 95 80 66 73 70 66 100 86 40 29.97 29.93 29.87 10 4 0 16 2 21 0.01 Fog
3 93 80 68 72 68 63 100 79 41 29.94 29.87 29.79 10 5 0 32 5 43 0.00 Fog , Rain , Thunderstorm
4 75 70 62 68 64 54 97 80 59 29.88 29.83 29.79 10 9 5 25 7 88 0.00 Rain
5 63 58 53 54 49 41 88 76 62 30.10 30.00 29.90 10 10 10 17 12 23 0.00  
6 68 59 52 51 48 42 86 70 57 30.14 30.11 30.08 10 10 10 18 10 23 0.00  
7 61 57 53 57 55 50 100 92 82 30.12 30.05 30.03 10 7 1 20 12 29 0.00 Rain
8 64 60 57 64 61 57 100 97 93 30.01 29.99 29.97 10 6 1 14 10 21 0.00 Rain
9 72 67 62 67 64 62 100 97 76 29.97 29.96 29.91 10 5 0 7 3 - 0.04 Fog , Rain
10 75 68 60 66 63 60 100 96 64 30.04 30.00 29.96 10 7 0 7 1 - 0.22 Fog , Rain
11 75 66 57 67 62 57 100 95 69 30.04 30.01 29.96 10 4 0 10 1 - 0.04 Fog , Thunderstorm
12 82 66 52 66 58 52 100 93 56 30.00 29.97 29.86 10 4 0 16 3 22 0.01 Fog
13 80 71 62 65 61 56 93 75 60 29.92 29.82 29.78 10 10 9 16 9 22 0.00  
14 69 55 42 55 47 43 100 87 50 30.09 30.00 29.95 10 6 0 9 4 - 0.06 Fog , Rain
15 60 50 39 44 39 35 100 69 44 30.33 30.25 30.11 10 10 10 15 8 22 0.00  
16 59 47 37 47 41 37 100 79 47 30.43 30.38 30.34 10 10 10 7 1 - 0.00  
17 66 56 48 49 45 40 97 72 41 30.39 30.35 30.31 10 10 10 10 6 - 0.00  
18 69 58 46 59 51 47 100 78 52 30.33 30.26 30.11 10 10 6 13 6 16 0.00  
19 66 63 60 66 63 56 100 94 75 30.09 29.93 29.87 10 8 2 14 7 18 0.28 Rain , Thunderstorm
20 71 62 53 59 56 52 100 92 56 30.12 30.07 30.00 10 6 0 6 3 - 0.01 Fog
21 77 67 57 66 61 50 100 91 56 30.06 29.98 29.89 10 5 1 13 3 21 0.01  
22 72 58 44 56 49 44 100 88 51 30.13 30.05 30.00 10 7 1 13 2 56 0.00 Rain
23 64 52 42 55 50 43 100 94 70 30.12 30.02 29.96 10 6 0 12 2 - 0.11 Fog , Rain
24 63 52 42 55 49 42 100 94 65 30.07 30.03 29.99 10 6 0 7 2 - 0.00 Fog
25 73 62 51 62 58 51 100 93 64 30.05 30.00 29.88 10 5 0 12 5 18 0.00 Fog , Rain
26 71 60 48 66 60 48 100 94 68 29.87 29.78 29.70 10 7 1 18 7 28 0.35 Rain
27 68 54 42 58 48 43 100 92 56 29.86 29.84 29.81 10 5 0 13 3 24 0.18 Fog , Rain
28 62 55 48 57 54 48 100 97 80 29.82 29.79 29.78 10 5 0 10 3 - 0.17 Fog , Rain
29 63 55 48 58 54 48 100 96 78 29.78 29.70 29.55 10 5 0 12 3 - 0.22 Fog , Rain
30 53 47 41 54 48 37 100 93 62 29.98 29.67 29.49 10 9 2 25 10 39 0.06 Rain