Weather History for Ann Arbor, MI

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 33 °F 19 °F
Mean Temperature 47 °F 26 °F 7 °F
Min Temperature 37 °F 18 °F -5 °F
Degree Days  
Heating Degree Days (base 65) 58 39 18 1220
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 20 °F -9 °F
Precipitation  
Precipitation 0.67 in 0.05 in 0.00 in 1.46 in
Snowdepth - - - -
Wind  
Wind 23 mph 7 mph 0 mph
Gust Wind 140 mph 28 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.07 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 29, 2013 Rise Set
Actual Time 8:03 AM EST 5:11 PM EST
Civil Twilight 7:31 AM EST 5:42 PM EST
Nautical Twilight 6:56 AM EST 6:18 PM EST
Astronomical Twilight 6:22 AM EST 6:52 PM EST
Moon 4:44 AM EST (12/29) 2:49 PM EST (12/29)
Length of Visible Light 10h 11m
Length of Day
9h 07m
Waning Crescent, 11% of the Moon is Illuminated
Dec 29
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 24
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.46 Average Month Total: 1.41
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
45 | 24 0.00
Average:
41 | 26 0.06
Partly Cloudy
Actual:
39 | 21 0.00
Average:
40 | 26 0.06
Snow
Actual:
37 | 26 0.06
Average:
40 | 25 0.06
Overcast
Actual:
57 | 37 0.00
Average:
40 | 25 0.06
Partly Cloudy
Actual:
63 | 30 0.00
Average:
39 | 24 0.06
Partly Cloudy
Actual:
46 | 21 0.00
Average:
39 | 24 0.06
Scattered Clouds
Actual:
26 | 9 0.00
Average:
38 | 23 0.06
Snow
Actual:
28 | 10 0.00
Average:
38 | 23 0.06
Snow
Actual:
28 | 18 0.02
Average:
37 | 23 0.06
Partly Cloudy
Actual:
21 | 8 0.00
Average:
37 | 22 0.06
Snow
Actual:
24 | 5 0.00
Average:
36 | 22 0.06
Snow
Actual:
21 | -4 0.00
Average:
36 | 21 0.05
Mostly Cloudy
Actual:
28 | 19 0.00
Average:
35 | 21 0.05
Snow
Actual:
21 | 19 0.10
Average:
34 | 20 0.05
Snow
Actual:
24 | 15 0.00
Average:
33 | 19 0.05
Snow
Actual:
19 | -5 0.05
Average:
33 | 18 0.05
Snow
Actual:
26 | 12 0.01
Average:
32 | 17 0.04
Snow
Actual:
28 | 19 0.00
Average:
31 | 17 0.04
Partly Cloudy
Actual:
39 | 19 0.00
Average:
30 | 16 0.04
Snow
Actual:
41 | 33 0.29
Average:
30 | 15 0.04
Rain
Actual:
37 | 33 0.67
Average:
29 | 15 0.04
Snow
Actual:
37 | 33 0.23
Average:
29 | 14 0.03
Snow
Actual:
33 | 19 0.00
Average:
29 | 14 0.03
Snow
Actual:
19 | 7 0.00
Average:
29 | 14 0.03
Snow
Actual:
25 | 6 0.00
Average:
29 | 15 0.03
Snow
Actual:
28 | 24 0.02
Average:
29 | 15 0.03
Partly Cloudy
Actual:
39 | 26 0.00
Average:
30 | 15 0.03
Clear
Actual:
46 | 30 0.00
Average:
30 | 15 0.03
Snow
Actual:
44 | 23 0.00
Average:
30 | 15 0.03
Snow
Actual:
21 | 16 0.00
Average:
30 | 15 0.03
Snow
Actual:
19 | 14 0.01
Average:
30 | 15 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
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 45 34 24 33 29 21 100 77 57 30.10 30.03 29.97 10 8 3 12 3 - 0.00  
2 39 32 21 31 25 18 88 74 48 29.99 29.94 29.90 10 10 7 9 4 - 0.00  
3 37 32 26 36 31 21 93 86 75 29.92 29.88 29.84 10 6 2 9 5 - 0.06 Rain , Snow
4 57 47 37 54 43 35 96 88 82 29.91 29.80 29.64 10 5 2 13 4 26 0.00  
5 63 46 30 54 37 21 88 63 37 30.16 29.84 29.62 10 10 9 21 13 31 0.00  
6 46 34 21 20 15 11 68 51 32 30.37 30.26 30.13 10 10 10 12 8 - 0.00  
7 26 19 9 11 8 5 84 65 46 30.63 30.55 30.38 10 10 10 14 7 23 0.00  
8 28 19 10 27 17 6 93 80 65 30.59 30.26 29.96 10 6 1 12 6 - 0.00 Snow
9 28 24 18 27 21 10 93 81 63 30.12 29.99 29.88 10 7 1 22 10 29 0.02 Snow
10 21 14 8 12 7 1 80 67 48 30.21 30.10 29.99 10 10 10 23 11 29 0.00  
11 24 14 5 18 12 -2 86 75 60 30.48 30.28 30.20 10 6 1 13 9 21 0.00 Snow
12 21 7 -4 13 3 -7 87 71 47 30.47 30.36 30.21 10 9 2 17 6 - 0.00 Snow
13 28 24 19 19 17 14 80 72 64 30.27 30.21 30.14 10 10 8 14 7 21 0.00  
14 21 20 19 18 16 13 93 85 71 30.27 30.03 29.79 10 2 0 16 11 23 0.10 Fog , Snow
15 24 20 15 20 15 7 93 80 62 30.05 29.86 29.79 10 6 1 22 11 31 0.00 Snow
16 19 7 -5 14 6 -9 92 81 59 30.19 30.08 29.97 10 6 1 8 4 - 0.05 Snow
17 26 19 12 21 17 8 92 85 79 30.02 29.94 29.86 10 6 1 15 6 22 0.01 Snow
18 28 24 19 23 18 13 93 78 61 30.13 30.04 29.92 10 8 2 21 6 24 0.00 Snow
19 39 29 19 33 25 13 89 77 68 29.99 29.94 29.88 10 10 5 8 4 - 0.00  
20 41 37 33 41 36 34 100 96 93 29.89 29.79 29.71 5 2 0 13 4 140 0.29 Fog , Rain , Snow
21 37 35 33 37 33 31 100 95 92 29.86 29.78 29.65 9 4 0 14 5 20 0.67 Fog , Rain
22 37 35 33 35 32 30 100 91 83 29.96 29.72 29.54 10 7 2 18 8 26 0.23 Rain , Snow
23 33 27 19 30 22 11 93 76 59 30.32 30.18 29.95 10 9 2 16 9 24 0.00 Snow
24 19 14 7 9 7 3 84 72 54 30.56 30.42 30.30 10 8 2 14 10 20 0.00 Snow
25 25 15 6 22 15 2 88 81 68 30.51 30.30 30.11 10 6 1 15 7 21 0.00 Snow
26 28 26 24 23 21 15 93 81 63 30.30 30.12 30.02 10 5 1 18 9 24 0.02 Snow
27 39 32 26 30 27 21 85 78 70 30.32 30.23 30.09 10 10 9 15 5 37 0.00  
28 46 38 30 34 31 27 88 74 59 30.14 30.04 29.91 10 10 7 15 10 24 0.00  
29 44 34 23 32 26 16 93 78 58 30.01 29.82 29.70 10 9 2 20 10 28 0.00 Rain , Snow
30 21 18 16 14 8 2 74 61 52 30.28 30.18 30.03 10 10 6 13 8 21 0.00 Snow
31 19 16 14 16 11 7 88 76 62 30.34 30.17 30.03 10 5 1 18 10 25 0.01 Snow