Weather History for Ann Arbor, MI

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 60 °F 41 °F
Mean Temperature 65 °F 50 °F 38 °F
Min Temperature 57 °F 40 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 27 15 0 463
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 15 4 0 121
Dew Point  
Dew Point 61 °F 40 °F 21 °F
Precipitation  
Precipitation 0.78 in 0.08 in 0.00 in 2.49 in
Snowdepth - - - -
Wind  
Wind 31 mph 8 mph 0 mph
Gust Wind 46 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 29.94 in 29.38 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 23, 2012 Rise Set
Actual Time 7:57 AM EDT 6:40 PM EDT
Civil Twilight 7:28 AM EDT 7:08 PM EDT
Nautical Twilight 6:56 AM EDT 7:41 PM EDT
Astronomical Twilight 6:23 AM EDT 8:13 PM EDT
Moon 3:29 PM EDT (10/23) 1:42 AM EDT (10/23)
Length of Visible Light 11h 39m
Length of Day
10h 42m
Waxing Gibbous, 66% of the Moon is Illuminated
Oct 23
Waxing Gibbous
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter

Weather History Calendar

Precipitation Actual month total 2.49 Average Month Total: 1.65
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
66 | 33 0.00
Average:
63 | 37 0.07
Rain
Actual:
68 | 54 0.11
Average:
63 | 37 0.07
Overcast
Actual:
66 | 57 0.01
Average:
63 | 36 0.07
Rain
Actual:
75 | 52 0.02
Average:
63 | 36 0.07
Rain
Actual:
62 | 44 0.23
Average:
63 | 36 0.07
Partly Cloudy
Actual:
48 | 36 0.00
Average:
63 | 36 0.07
Rain
Actual:
48 | 36 0.02
Average:
63 | 36 0.07
Fog
Actual:
54 | 24 0.00
Average:
62 | 36 0.07
Clear
Actual:
62 | 27 0.00
Average:
62 | 36 0.07
Rain
Actual:
52 | 27 0.13
Average:
61 | 36 0.06
Scattered Clouds
Actual:
62 | 24 0.00
Average:
60 | 36 0.06
Scattered Clouds
Actual:
53 | 27 0.00
Average:
60 | 35 0.06
Rain
Actual:
62 | 23 0.78
Average:
59 | 35 0.06
Rain
Actual:
70 | 57 0.10
Average:
59 | 35 0.06
Rain
Actual:
55 | 46 0.00
Average:
58 | 35 0.06
Scattered Clouds
Actual:
60 | 33 0.00
Average:
58 | 35 0.06
Rain
Actual:
73 | 52 0.36
Average:
58 | 35 0.05
Thunderstorm
Actual:
61 | 48 0.28
Average:
57 | 35 0.05
Rain
Actual:
57 | 45 0.14
Average:
57 | 35 0.05
Mostly Cloudy
Actual:
55 | 39 0.04
Average:
56 | 35 0.05
Fog
Actual:
62 | 30 0.00
Average:
56 | 35 0.05
Rain
Actual:
70 | 35 0.04
Average:
56 | 35 0.04
Thunderstorm
Actual:
73 | 57 0.08
Average:
56 | 35 0.04
Fog
Actual:
77 | 55 0.04
Average:
56 | 35 0.04
Scattered Clouds
Actual:
75 | 48 0.00
Average:
56 | 35 0.04
Rain
Actual:
66 | 44 0.05
Average:
56 | 35 0.04
Scattered Clouds
Actual:
55 | 39 0.00
Average:
56 | 35 0.03
Partly Cloudy
Actual:
52 | 37 0.00
Average:
55 | 35 0.03
Rain
Actual:
43 | 39 0.00
Average:
55 | 34 0.03
Snow
Actual:
41 | 35 0.06
Average:
55 | 34 0.03
Rain
Actual:
42 | 35 0.00
Average:
54 | 34 0.03
 

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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 66 50 33 50 39 34 100 84 45 29.97 29.93 29.86 10 4 0 7 1 - 0.00 Fog
2 68 61 54 54 51 47 90 73 52 29.92 29.86 29.82 10 10 5 10 5 - 0.11 Rain
3 66 62 57 58 54 50 94 79 64 30.07 30.00 29.90 10 8 1 13 4 16 0.01  
4 75 64 52 58 51 48 90 67 40 30.10 30.06 30.01 10 9 5 17 7 24 0.02 Rain
5 62 53 44 58 46 40 90 77 59 30.08 30.03 29.97 10 10 4 13 9 21 0.23 Rain
6 48 42 36 41 36 32 93 76 54 30.13 30.03 29.95 10 9 5 16 8 28 0.00  
7 48 41 36 39 36 33 93 78 59 30.17 30.12 30.09 10 10 8 7 4 - 0.02 Rain
8 54 39 24 36 27 23 100 78 32 30.24 30.18 30.13 10 5 0 13 3 18 0.00 Fog
9 62 44 27 37 32 23 89 62 36 30.14 30.02 29.86 10 10 6 16 5 25 0.00  
10 52 40 27 41 36 25 92 75 49 30.19 29.94 29.81 10 9 5 31 11 41 0.13 Rain
11 62 43 24 35 28 22 96 63 30 30.22 30.15 30.05 10 10 9 22 6 34 0.00  
12 53 42 27 36 30 21 92 68 31 30.44 30.36 30.18 10 10 5 14 7 20 0.00  
13 62 42 23 59 38 21 100 89 73 30.41 30.17 29.91 10 5 1 12 2 - 0.78 Rain
14 70 65 57 61 58 51 94 81 65 29.90 29.70 29.44 10 7 2 23 12 38 0.10 Rain
15 55 50 46 47 41 37 82 72 63 29.95 29.79 29.55 10 10 7 30 17 34 0.00 Rain
16 60 46 33 43 36 30 89 64 41 30.01 29.90 29.76 10 10 10 13 6 - 0.00  
17 73 62 52 55 47 41 90 62 34 29.75 29.66 29.56 10 10 4 24 9 37 0.36 Rain
18 61 54 48 54 46 35 94 72 41 29.67 29.51 29.38 10 9 2 18 10 28 0.28 Rain , Thunderstorm
19 57 51 45 45 41 35 93 76 51 29.64 29.59 29.55 10 10 6 18 6 23 0.14 Rain
20 55 48 39 46 42 38 93 85 64 29.92 29.68 29.58 10 9 6 15 6 21 0.04  
21 62 46 30 45 36 28 100 85 44 30.11 30.03 29.93 10 4 0 10 3 16 0.00 Fog
22 70 52 35 55 42 34 96 83 57 30.11 30.06 29.98 10 6 0 8 1 - 0.04 Fog , Rain
23 73 65 57 59 57 55 94 80 59 30.01 29.96 29.91 10 9 2 8 5 - 0.08 Rain , Thunderstorm
24 77 65 55 59 57 54 100 81 54 30.03 30.00 29.96 10 6 0 12 4 - 0.04 Fog
25 75 62 48 57 52 47 96 68 43 29.99 29.93 29.85 10 10 9 18 7 30 0.00  
26 66 55 44 54 41 32 87 72 56 30.24 30.10 29.86 10 10 9 21 12 31 0.05 Rain
27 55 46 39 36 32 29 76 60 41 30.22 30.19 30.14 10 10 10 15 10 24 0.00  
28 52 44 37 33 29 26 76 60 44 30.22 30.17 30.12 10 10 10 21 12 30 0.00  
29 43 41 39 30 27 22 65 58 47 30.11 29.99 29.73 10 10 10 26 17 43 0.00 Rain
30 41 38 35 36 32 26 93 81 65 29.69 29.52 29.45 10 9 3 30 24 46 0.06 Rain , Snow
31 42 38 35 38 35 34 93 89 81 29.68 29.59 29.52 10 8 2 20 14 31 0.00 Rain