Weather History for Ypsilanti, MI

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 37 °F 12 °F
Mean Temperature 57 °F 29 °F 6 °F
Min Temperature 51 °F 22 °F 0 °F
Degree Days  
Heating Degree Days (base 65) 59 35 8 1100
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 0 0 11
Dew Point  
Dew Point 55 °F 21 °F -11 °F
Precipitation  
Precipitation 0.66 in 0.08 in 0.00 in 2.58 in
Snowdepth - - - -
Wind  
Wind 40 mph 10 mph 0 mph
Gust Wind 59 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.60 in 30.10 in 29.25 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 5:32 PM EST
Civil Twilight 7:27 AM EST 6:02 PM EST
Nautical Twilight 6:53 AM EST 6:37 PM EST
Astronomical Twilight 6:19 AM EST 7:10 PM EST
Moon 11:59 AM EST (1/19) 1:29 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 2.58 Average Month Total: 1.48
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
30 | 12 0.00
Average:
32 | 19 0.09
Partly Cloudy
Actual:
26 | 10 0.00
Average:
32 | 20 0.01
Mostly Cloudy
Actual:
32 | 15 0.00
Average:
32 | 20 0.04
Scattered Clouds
Actual:
30 | 23 0.00
Average:
33 | 19 0.15
Snow
Actual:
35 | 16 0.00
Average:
32 | 18 0.04
Snow
Actual:
37 | 35 0.01
Average:
30 | 19 0.02
Partly Cloudy
Actual:
35 | 30 0.00
Average:
30 | 17 0.05
Clear
Actual:
37 | 23 0.00
Average:
28 | 13 0.03
Rain
Actual:
48 | 24 0.00
Average:
27 | 15 0.04
Rain
Actual:
42 | 25 0.04
Average:
28 | 16 0.09
Rain
Actual:
60 | 37 0.64
Average:
30 | 16 0.05
Rain
Actual:
60 | 48 0.01
Average:
30 | 16 0.01
Rain
Actual:
53 | 34 0.66
Average:
29 | 15 0.07
Partly Cloudy
Actual:
33 | 21 0.00
Average:
30 | 17 0.04
Clear
Actual:
30 | 17 0.00
Average:
28 | 15 0.03
Partly Cloudy
Actual:
39 | 21 0.00
Average:
29 | 15 0.03
Partly Cloudy
Actual:
39 | 21 0.00
Average:
31 | 17 0.07
Partly Cloudy
Actual:
36 | 19 0.00
Average:
31 | 17 0.02
Scattered Clouds
Actual:
50 | 36 0.00
Average:
31 | 15 0.02
Snow
Actual:
46 | 19 0.00
Average:
30 | 16 0.05
Snow
Actual:
19 | 6 0.00
Average:
30 | 15 0.04
Snow
Actual:
12 | 0 0.00
Average:
31 | 19 0.06
Snow
Actual:
19 | 5 0.00
Average:
34 | 19 0.05
Scattered Clouds
Actual:
21 | 10 0.00
Average:
32 | 18 0.02
Snow
Actual:
21 | 16 0.00
Average:
33 | 19 0.05
Snow
Actual:
28 | 17 0.00
Average:
31 | 17 0.06
Snow
Actual:
32 | 9 0.00
Average:
31 | 17 0.04
Rain
Actual:
45 | 32 0.55
Average:
32 | 17 0.03
Rain
Actual:
60 | 37 0.45
Average:
31 | 19 0.06
Rain
Actual:
63 | 51 0.22
Average:
32 | 20 0.09
Snow
Actual:
24 | 19 0.00
Average:
32 | 19 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 30 21 12 19 10 3 68 60 49 30.17 30.10 30.02 10 10 2 14 7 - 0.00  
2 26 18 10 17 11 3 81 74 66 30.22 30.15 30.08 10 10 8 12 6 - 0.00  
3 32 24 15 24 15 5 76 68 62 30.19 30.14 30.08 10 7 4 15 10 - 0.00  
4 30 26 23 23 18 15 75 67 58 30.21 30.12 30.06 10 10 7 25 14 30 0.00  
5 35 25 16 30 22 11 85 77 64 30.31 30.16 30.05 8 4 1 16 9 - 0.00 Snow
6 37 36 35 31 29 25 82 76 67 30.27 30.01 29.92 9 5 2 18 14 22 0.01 Rain , Snow
7 35 32 30 25 23 19 72 67 61 30.40 30.30 30.18 10 9 5 22 10 30 0.00  
8 37 30 23 26 22 18 85 75 65 30.27 30.23 30.19 5 4 3 9 8 - 0.00  
9 48 36 24 32 26 19 85 63 39 30.47 30.20 30.06 10 8 3 24 11 37 0.00 Rain
10 42 34 25 32 26 19 85 72 55 30.59 30.46 30.20 10 9 5 12 4 - 0.04 Rain
11 60 48 37 51 41 32 93 84 67 30.18 29.91 29.77 10 6 2 18 8 23 0.64 Rain
12 60 54 48 50 46 43 90 80 67 29.94 29.89 29.84 10 8 0 15 9 - 0.01 Fog , Rain
13 53 44 34 50 37 28 89 82 76 30.05 29.87 29.72 10 7 1 18 10 28 0.66 Rain
14 33 27 21 27 17 14 78 66 56 30.45 30.32 30.04 10 10 10 21 13 28 0.00  
15 30 24 17 20 16 12 81 70 54 30.45 30.36 30.16 10 9 6 9 1 - 0.00  
16 39 30 21 25 19 15 81 59 36 30.12 29.94 29.83 10 9 6 20 7 28 0.00  
17 39 30 21 27 20 6 72 58 43 30.32 30.14 29.99 10 10 10 22 11 30 0.00  
18 36 28 19 22 14 6 57 53 46 30.45 30.28 30.00 10 10 10 28 10 34 0.00  
19 50 43 36 33 28 22 64 55 44 29.98 29.84 29.59 10 10 10 24 18 34 0.00  
20 46 32 19 32 8 3 58 49 38 30.20 30.03 29.56 10 10 8 40 25 59 0.00 Snow
21 19 12 6 13 7 -4 79 66 53 30.14 30.01 29.94 10 5 0 24 10 30 0.00 Snow
22 12 6 0 3 -3 -11 73 61 48 30.32 30.25 30.12 10 8 1 20 12 24 0.00 Snow
23 19 12 5 11 5 -2 81 69 58 30.31 30.17 30.07 9 6 1 14 9 18 0.00 Snow
24 21 16 10 9 3 -3 77 61 38 30.60 30.45 30.14 10 10 9 13 8 18 0.00  
25 21 18 16 16 13 5 86 75 62 30.50 30.15 30.01 10 3 0 10 5 - 0.00 Snow
26 28 22 17 17 14 11 86 70 53 30.47 30.26 30.04 10 8 3 13 5 - 0.00 Snow
27 32 20 9 26 17 5 88 77 58 30.50 30.36 30.13 10 4 1 20 5 - 0.00 Rain , Snow
28 45 38 32 43 35 27 93 87 75 30.15 29.98 29.86 6 2 0 16 11 24 0.55 Fog , Rain
29 60 48 37 54 46 34 94 87 77 30.01 29.79 29.48 9 3 0 20 8 24 0.45 Fog , Rain
30 63 57 51 55 51 48 89 83 75 29.47 29.33 29.25 10 8 2 21 12 32 0.22 Rain
31 24 22 19 19 14 10 80 70 60 29.96 29.77 29.54 10 5 0 24 17 32 0.00 Snow