Weather History for Ypsilanti, MI

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 35 °F 19 °F
Mean Temperature 48 °F 29 °F 12 °F
Min Temperature 37 °F 22 °F 3 °F
Degree Days  
Heating Degree Days (base 65) 52 36 16 1121
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 54 °F 21 °F -2 °F
Precipitation  
Precipitation 0.78 in 0.05 in 0.00 in 1.66 in
Snowdepth - - - -
Wind  
Wind 24 mph 9 mph 0 mph
Gust Wind 37 mph 24 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.07 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2013 Rise Set
Actual Time 7:53 AM EST 5:01 PM EST
Civil Twilight 7:21 AM EST 5:33 PM EST
Nautical Twilight 6:45 AM EST 6:08 PM EST
Astronomical Twilight 6:11 AM EST 6:43 PM EST
Moon 1:39 PM EST (12/11) 2:08 AM EST (12/11)
Length of Visible Light 10h 12m
Length of Day
9h 08m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Weather History Calendar

Precipitation Actual month total 1.66 Average Month Total: 2.25
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Partly Cloudy
Actual:
48 | 30 0.00
Average:
41 | 28 0.10
Partly Cloudy
Actual:
42 | 27 0.00
Average:
40 | 26 0.09
Snow
Actual:
41 | 26 0.08
Average:
39 | 26 0.08
Fog
Actual:
61 | 37 0.00
Average:
39 | 26 0.06
Partly Cloudy
Actual:
63 | 34 0.00
Average:
38 | 26 0.03
Partly Cloudy
Actual:
33 | 21 0.00
Average:
38 | 26 0.12
Scattered Clouds
Actual:
28 | 16 0.00
Average:
37 | 25 0.07
Snow
Actual:
32 | 14 0.00
Average:
38 | 26 0.07
Snow
Actual:
32 | 21 0.00
Average:
38 | 25 0.05
Partly Cloudy
Actual:
24 | 12 0.00
Average:
36 | 23 0.08
Snow
Actual:
26 | 9 0.00
Average:
36 | 22 0.08
Snow
Actual:
19 | 6 0.00
Average:
37 | 24 0.11
Mostly Cloudy
Actual:
30 | 19 0.00
Average:
38 | 24 0.05
Snow
Actual:
24 | 21 0.00
Average:
36 | 25 0.04
Snow
Actual:
28 | 16 0.00
Average:
38 | 24 0.12
Snow
Actual:
23 | 3 0.00
Average:
36 | 24 0.06
Snow
Actual:
27 | 15 0.00
Average:
34 | 21 0.02
Snow
Actual:
44 | 21 0.00
Average:
33 | 20 0.03
Partly Cloudy
Actual:
41 | 37 0.09
Average:
33 | 22 0.06
Rain
Actual:
42 | 37 0.39
Average:
33 | 22 0.09
Rain
Actual:
39 | 35 0.78
Average:
33 | 21 0.06
Rain
Actual:
41 | 35 0.28
Average:
33 | 20 0.08
Snow
Actual:
37 | 24 0.00
Average:
34 | 21 0.07
Partly Cloudy
Actual:
24 | 14 0.00
Average:
33 | 20 0.09
Mostly Cloudy
Actual:
28 | 12 0.00
Average:
31 | 19 0.08
Snow
Actual:
30 | 26 0.00
Average:
29 | 17 0.04
Partly Cloudy
Actual:
41 | 28 0.04
Average:
31 | 17 0.09
Clear
Actual:
48 | 35 0.00
Average:
32 | 19 0.04
Rain
Actual:
46 | 26 0.00
Average:
32 | 20 0.13
Snow
Actual:
24 | 16 0.00
Average:
31 | 19 0.08
Snow
Actual:
23 | 17 0.00
Average:
32 | 20 0.08
 

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 48 39 30 32 29 23 87 69 52 30.10 30.03 29.98 9 7 3 10 6 - 0.00  
2 42 35 27 31 25 20 82 69 43 29.99 29.94 29.90 10 9 6 9 4 - 0.00  
3 41 34 26 36 32 21 87 81 75 29.92 29.88 29.84 10 6 2 9 5 - 0.08 Rain , Snow
4 61 48 37 52 42 35 93 80 72 29.91 29.81 29.63 10 4 0 16 4 - 0.00 Fog
5 63 48 34 54 37 20 78 64 50 30.15 29.83 29.62 10 10 9 23 16 32 0.00  
6 33 27 21 20 16 12 68 58 52 30.41 30.27 30.15 10 10 10 14 10 - 0.00  
7 28 22 16 12 9 7 74 58 41 30.63 30.54 30.39 10 10 10 14 7 - 0.00  
8 32 23 14 28 18 6 87 73 57 30.59 30.29 29.99 10 6 1 14 7 18 0.00 Snow
9 32 26 21 28 21 10 87 75 58 30.12 29.99 29.89 10 6 1 22 12 34 0.00 Snow
10 24 18 12 12 8 2 71 59 42 30.20 30.09 29.97 10 10 10 24 14 37 0.00  
11 26 18 9 18 12 -1 75 68 56 30.48 30.29 30.22 10 6 1 16 10 21 0.00 Snow
12 19 12 6 9 3 -2 77 62 40 30.48 30.35 30.21 10 10 3 20 10 24 0.00 Snow
13 30 24 19 19 16 9 72 65 60 30.28 30.21 30.15 10 10 8 16 8 - 0.00  
14 24 22 21 18 16 12 82 77 62 30.27 30.06 29.80 10 2 0 17 13 23 0.00 Snow
15 28 24 16 20 16 7 86 73 57 30.05 29.87 29.79 10 6 2 23 10 30 0.00 Snow
16 23 13 3 14 7 -2 84 76 53 30.20 30.10 29.98 10 6 1 10 5 - 0.00 Snow
17 27 21 15 20 17 10 86 78 74 30.02 29.95 29.88 9 5 0 20 7 28 0.00 Snow
18 44 32 21 21 19 18 86 61 37 30.13 30.03 29.90 10 7 2 18 9 22 0.00 Snow
19 41 39 37 32 31 30 79 75 67 29.98 29.93 29.86 10 9 4 13 7 - 0.09  
20 42 40 37 39 35 32 89 87 81 29.90 29.80 29.73 4 1 0 8 4 - 0.39 Fog , Rain
21 39 37 35 34 33 31 93 87 81 29.87 29.79 29.65 7 3 0 16 4 - 0.78 Fog , Rain
22 41 38 35 34 33 31 93 84 73 29.97 29.73 29.55 10 6 2 20 10 29 0.28 Rain
23 37 32 24 32 23 13 82 68 54 30.31 30.15 29.96 10 9 1 20 10 24 0.00 Rain , Snow
24 24 19 14 10 7 5 74 62 46 30.56 30.43 30.28 10 9 2 17 12 23 0.00  
25 28 20 12 22 15 5 78 71 63 30.51 30.30 30.13 10 8 1 17 9 25 0.00  
26 30 28 26 25 22 15 86 75 56 30.30 30.12 30.03 10 5 1 23 12 31 0.00 Snow
27 41 34 28 30 27 21 75 72 65 30.32 30.23 30.09 10 10 8 18 8 25 0.04  
28 48 42 35 34 31 28 76 68 58 30.13 30.03 29.91 10 10 9 20 13 26 0.00  
29 46 36 26 31 26 16 82 68 51 30.00 29.81 29.69 10 9 4 21 11 28 0.00 Rain
30 24 20 16 15 8 2 72 55 46 30.28 30.18 30.02 10 10 8 20 11 28 0.00 Snow
31 23 20 17 16 11 7 80 69 55 30.34 30.17 30.05 10 5 1 20 11 24 0.00 Snow