Weather History for Ann Arbor, MI

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 70 °F 53 °F
Mean Temperature 75 °F 59 °F 44 °F
Min Temperature 66 °F 47 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 22 7 0 232
Cooling Degree Days (base 65) 10 1 0 34
Growing Degree Days (base 50) 25 9 0 293
Dew Point  
Dew Point 68 °F 47 °F 25 °F
Precipitation  
Precipitation 0.48 in 0.05 in 0.00 in 1.52 in
Snowdepth - - - -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 45 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.00 in 29.65 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 12, 2014 Rise Set
Actual Time 6:17 AM EDT 8:46 PM EDT
Civil Twilight 5:45 AM EDT 9:18 PM EDT
Nautical Twilight 5:05 AM EDT 9:57 PM EDT
Astronomical Twilight 4:21 AM EDT 10:42 PM EDT
Moon 6:40 PM EDT (5/12) 4:58 AM EDT (5/12)
Length of Visible Light 15h 32m
Length of Day
14h 29m
Waxing Gibbous, 95% of the Moon is Illuminated
May 12
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 1.52 Average Month Total: 2.89
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
55 | 41 0.01
Average:
65 | 39 0.08
Overcast
Actual:
55 | 45 0.00
Average:
65 | 40 0.08
Rain
Actual:
61 | 45 0.03
Average:
66 | 41 0.08
Partly Cloudy
Actual:
57 | 37 0.00
Average:
66 | 41 0.08
Partly Cloudy
Actual:
53 | 35 0.04
Average:
66 | 42 0.09
Clear
Actual:
62 | 35 0.00
Average:
66 | 42 0.09
Thunderstorm
Actual:
66 | 44 0.23
Average:
66 | 43 0.09
Clear
Actual:
86 | 46 0.00
Average:
66 | 43 0.10
Thunderstorm
Actual:
78 | 62 0.15
Average:
66 | 43 0.10
Clear
Actual:
72 | 46 0.00
Average:
66 | 43 0.10
Scattered Clouds
Actual:
79 | 39 0.00
Average:
66 | 44 0.10
Thunderstorm
Actual:
75 | 55 0.48
Average:
66 | 44 0.10
Thunderstorm
Actual:
84 | 62 0.21
Average:
66 | 44 0.10
Rain
Actual:
62 | 48 0.13
Average:
66 | 44 0.10
Rain
Actual:
60 | 43 0.17
Average:
66 | 44 0.10
Partly Cloudy
Actual:
55 | 35 0.00
Average:
66 | 44 0.10
Rain
Actual:
55 | 37 0.00
Average:
65 | 44 0.10
Scattered Clouds
Actual:
66 | 30 0.00
Average:
65 | 43 0.10
Clear
Actual:
70 | 37 0.00
Average:
65 | 43 0.10
Rain
Actual:
78 | 52 0.06
Average:
65 | 43 0.10
Thunderstorm
Actual:
82 | 57 0.00
Average:
65 | 43 0.10
Scattered Clouds
Actual:
72 | 57 0.00
Average:
65 | 43 0.10
Scattered Clouds
Actual:
69 | 50 0.00
Average:
65 | 43 0.10
Scattered Clouds
Actual:
77 | 43 0.00
Average:
66 | 43 0.09
Clear
Actual:
80 | 48 0.00
Average:
66 | 44 0.09
Clear
Actual:
84 | 48 0.00
Average:
66 | 44 0.09
Thunderstorm
Actual:
86 | 66 0.00
Average:
66 | 44 0.09
Thunderstorm
Actual:
69 | 61 0.01
Average:
67 | 45 0.09
Clear
Actual:
75 | 53 0.00
Average:
67 | 45 0.09
Fog
Actual:
80 | 46 0.00
Average:
67 | 45 0.08
Scattered Clouds
Actual:
80 | 54 0.00
Average:
68 | 46 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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 48 41 45 39 34 90 72 47 29.79 29.77 29.75 10 10 9 20 13 30 0.01 Rain
2 55 50 45 44 42 40 90 79 63 29.81 29.77 29.73 10 10 9 17 11 24 0.00  
3 61 52 45 45 41 30 93 72 35 29.84 29.73 29.65 10 10 5 26 11 38 0.03 Rain
4 57 47 37 38 31 25 76 50 29 30.09 29.94 29.82 10 10 10 22 8 34 0.00  
5 53 44 35 43 36 30 86 71 57 30.09 30.05 29.99 10 10 10 9 3 - 0.04  
6 62 48 35 37 35 32 92 56 32 30.11 30.06 30.02 10 10 10 13 8 18 0.00  
7 66 55 44 48 41 32 93 72 48 30.10 30.03 29.96 10 9 6 16 9 21 0.23 Rain , Thunderstorm
8 86 66 46 62 54 43 86 64 44 30.01 29.94 29.86 10 10 8 15 6 23 0.00  
9 78 70 62 61 57 52 84 68 48 29.89 29.79 29.72 10 9 1 26 10 37 0.15 Rain , Thunderstorm
10 72 60 46 52 42 36 81 55 32 29.99 29.91 29.81 10 10 10 16 9 28 0.00  
11 79 58 39 55 46 38 97 63 32 30.08 30.02 29.96 10 10 10 10 4 - 0.00  
12 75 65 55 68 64 54 97 88 70 30.02 29.98 29.94 10 8 2 17 7 45 0.48 Rain , Thunderstorm
13 84 73 62 68 64 57 97 85 55 30.04 29.95 29.87 10 7 0 20 5 45 0.21 Fog , Rain , Thunderstorm
14 62 58 48 56 52 47 93 84 67 30.13 30.06 29.94 10 8 2 15 8 23 0.13 Rain
15 60 52 43 59 48 35 97 87 71 30.00 29.81 29.68 10 7 1 17 9 23 0.17 Rain
16 55 44 35 35 34 32 89 67 48 30.03 30.00 29.97 10 10 10 10 7 - 0.00  
17 55 46 37 38 36 31 89 65 45 30.20 30.10 30.02 10 10 10 13 6 - 0.00 Rain
18 66 48 30 38 33 30 100 62 30 30.27 30.23 30.20 10 8 2 14 5 22 0.00  
19 70 53 37 43 37 31 93 56 26 30.31 30.23 30.14 10 10 10 14 5 16 0.00  
20 78 64 52 60 52 42 93 68 53 30.22 29.99 29.87 10 10 4 12 7 17 0.06 Rain
21 82 71 57 66 61 45 96 74 35 29.90 29.85 29.79 10 8 1 20 8 24 0.00 Rain , Thunderstorm
22 72 64 57 53 48 41 83 56 44 30.06 29.97 29.83 10 10 10 17 11 25 0.00  
23 69 60 50 49 45 41 93 60 44 30.16 30.11 30.06 10 10 10 13 8 18 0.00  
24 77 59 43 52 47 42 97 69 35 30.22 30.17 30.13 10 8 1 8 2 - 0.00  
25 80 64 48 54 49 46 97 60 32 30.18 30.12 30.06 10 9 2 10 3 - 0.00  
26 84 66 48 62 54 48 97 70 34 30.09 30.03 29.92 10 8 1 13 4 18 0.00  
27 86 75 66 68 65 61 90 75 51 29.95 29.90 29.85 10 10 3 20 8 26 0.00 Rain , Thunderstorm
28 69 65 61 66 62 52 100 89 65 30.09 29.96 29.89 10 5 0 12 4 - 0.01 Fog , Rain , Thunderstorm
29 75 64 53 56 53 49 89 69 45 30.16 30.12 30.08 10 10 9 9 5 - 0.00  
30 80 62 46 54 49 45 100 80 39 30.21 30.17 30.14 10 5 0 8 1 - 0.00 Fog
31 80 67 54 56 51 45 86 61 42 30.25 30.21 30.17 10 10 10 13 3 17 0.00