Weather History for Ann Arbor, MI

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 35 °F 10 °F
Mean Temperature 51 °F 26 °F 2 °F
Min Temperature 43 °F 17 °F -7 °F
Degree Days  
Heating Degree Days (base 65) 64 39 14 1204
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 1 0 0 1
Dew Point  
Dew Point 57 °F 20 °F -13 °F
Precipitation  
Precipitation 0.63 in 0.09 in 0.00 in 2.83 in
Snowdepth - - - -
Wind  
Wind 30 mph 8 mph 0 mph
Gust Wind 90 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.60 in 30.09 in 29.14 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 19, 2013 Rise Set
Actual Time 7:58 AM EST 5:33 PM EST
Civil Twilight 7:28 AM EST 6:03 PM EST
Nautical Twilight 6:53 AM EST 6:38 PM EST
Astronomical Twilight 6:20 AM EST 7:11 PM EST
Moon 12:00 PM EST (1/19) 1:30 AM EST (1/19)
Length of Visible Light 10h 35m
Length of Day
9h 34m
First Quarter, 57% of the Moon is Illuminated
Jan 19
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Weather History Calendar

Precipitation Actual month total 2.83 Average Month Total: 0.82
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
28 | 5 0.00
Average:
31 | 16 0.03
Partly Cloudy
Actual:
25 | 1 0.00
Average:
31 | 16 0.03
Mostly Cloudy
Actual:
30 | 10 0.00
Average:
31 | 16 0.03
Partly Cloudy
Actual:
28 | 21 0.00
Average:
31 | 16 0.03
Snow
Actual:
32 | 8 0.00
Average:
31 | 16 0.03
Snow
Actual:
35 | 32 0.00
Average:
31 | 16 0.03
Partly Cloudy
Actual:
33 | 26 0.00
Average:
31 | 16 0.03
Clear
Actual:
34 | 16 0.00
Average:
30 | 16 0.03
Scattered Clouds
Actual:
45 | 15 0.00
Average:
30 | 15 0.03
Rain
Actual:
39 | 19 0.05
Average:
29 | 15 0.02
Rain
Actual:
57 | 35 0.61
Average:
29 | 14 0.02
Rain
Actual:
59 | 43 0.00
Average:
28 | 14 0.02
Snow
Actual:
50 | 30 0.63
Average:
28 | 13 0.02
Partly Cloudy
Actual:
30 | 17 0.00
Average:
27 | 12 0.02
Clear
Actual:
30 | 12 0.00
Average:
27 | 12 0.02
Partly Cloudy
Actual:
37 | 17 0.00
Average:
26 | 11 0.02
Partly Cloudy
Actual:
37 | 19 0.00
Average:
26 | 10 0.02
Partly Cloudy
Actual:
34 | 15 0.00
Average:
26 | 10 0.02
Scattered Clouds
Actual:
48 | 34 0.00
Average:
26 | 9 0.02
Mostly Cloudy
Actual:
44 | 17 0.00
Average:
26 | 9 0.02
Snow
Actual:
18 | 3 0.01
Average:
26 | 8 0.03
Snow
Actual:
10 | -7 0.00
Average:
26 | 8 0.03
Snow
Actual:
17 | 1 0.00
Average:
26 | 8 0.03
Snow
Actual:
19 | 5 0.00
Average:
26 | 9 0.03
Snow
Actual:
19 | 12 0.06
Average:
27 | 9 0.03
Snow
Actual:
25 | 12 0.00
Average:
27 | 10 0.03
Snow
Actual:
30 | 3 0.20
Average:
27 | 10 0.03
Snow
Actual:
43 | 30 0.21
Average:
28 | 11 0.03
Thunderstorm
Actual:
57 | 35 0.53
Average:
28 | 11 0.03
Rain
Actual:
61 | 32 0.53
Average:
29 | 12 0.03
Snow
Actual:
30 | 15 0.00
Average:
29 | 12 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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 28 16 5 18 9 1 92 68 50 30.17 30.10 30.04 10 10 10 12 7 - 0.00  
2 25 13 1 17 10 -1 92 81 69 30.22 30.16 30.07 10 10 8 12 4 - 0.00  
3 30 20 10 24 15 4 82 75 67 30.19 30.14 30.09 10 8 4 15 7 21 0.00  
4 28 24 21 23 18 15 82 73 61 30.22 30.13 30.06 10 10 8 23 14 30 0.00  
5 32 20 8 29 18 7 93 86 75 30.30 30.19 30.04 8 4 0 13 5 18 0.00 Fog , Snow
6 35 34 32 31 28 24 87 81 70 30.28 30.01 29.91 10 6 3 16 11 25 0.00 Snow
7 33 30 26 24 22 19 79 73 66 30.40 30.30 30.17 10 9 7 18 7 26 0.00  
8 34 25 16 26 20 14 93 83 70 30.28 30.22 30.17 7 4 2 9 6 - 0.00  
9 45 30 15 31 23 14 100 75 44 30.47 30.18 30.07 10 6 1 22 6 32 0.00  
10 39 29 19 32 25 16 89 78 60 30.59 30.45 30.17 10 8 2 12 3 - 0.05 Rain
11 57 46 35 50 40 32 100 90 72 30.15 29.92 29.77 10 5 1 16 8 23 0.61 Rain
12 59 51 43 50 46 41 100 89 69 29.94 29.89 29.84 10 5 0 13 6 17 0.00 Fog , Rain
13 50 41 30 48 37 33 100 89 81 30.06 29.86 29.73 10 7 2 17 10 23 0.63 Rain , Snow
14 30 24 17 17 15 14 88 75 66 30.45 30.33 30.04 10 10 10 22 12 28 0.00  
15 30 21 12 19 15 9 92 77 58 30.46 30.36 30.16 10 10 7 5 1 - 0.00  
16 37 27 17 26 18 14 92 69 39 30.14 29.97 29.84 10 10 7 20 6 28 0.00  
17 37 28 19 27 18 4 75 61 43 30.33 30.16 29.99 10 10 10 20 11 31 0.00  
18 34 24 15 22 14 6 77 60 46 30.45 30.28 30.00 10 10 10 21 8 29 0.00  
19 48 41 34 33 27 21 68 58 48 29.98 29.85 29.62 10 10 10 22 15 29 0.00  
20 44 30 17 32 7 4 63 56 48 30.16 30.02 29.58 10 10 10 23 16 37 0.00  
21 18 10 3 13 7 -3 88 75 59 30.14 30.01 29.93 10 4 0 21 8 28 0.01 Fog , Snow
22 10 2 -7 5 -2 -13 85 72 58 30.32 30.24 30.09 10 7 1 15 8 20 0.00 Snow
23 17 9 1 11 5 -1 92 78 62 30.31 30.17 30.05 10 7 2 14 6 - 0.00 Snow
24 19 12 5 9 4 -4 85 70 41 30.60 30.43 30.08 10 9 2 13 8 21 0.00 Snow
25 19 16 12 18 13 3 96 82 64 30.49 30.14 29.99 10 4 0 8 4 - 0.06 Fog , Snow
26 25 18 12 18 15 9 96 80 59 30.48 30.27 30.02 10 8 4 10 4 - 0.00 Snow
27 30 16 3 27 16 0 100 86 61 30.50 30.35 30.13 10 4 0 15 4 21 0.20 Fog , Rain , Snow
28 43 36 30 43 36 28 100 96 92 30.12 29.97 29.88 5 2 0 15 9 24 0.21 Fog , Rain , Snow
29 57 46 35 54 47 35 100 96 87 30.01 29.76 29.47 10 3 0 25 6 90 0.53 Fog , Rain , Thunderstorm
30 61 47 32 57 47 24 100 90 73 29.42 29.24 29.14 10 7 0 25 12 41 0.53 Fog , Rain
31 30 22 15 23 15 9 89 76 60 29.91 29.65 29.27 10 5 0 30 20 44 0.00 Snow