Weather History for Ann Arbor, MI

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 90 °F 75 °F 50 °F
Mean Temperature 75 °F 61 °F 38 °F
Min Temperature 66 °F 48 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 27 6 0 184
Cooling Degree Days (base 65) 10 2 0 54
Growing Degree Days (base 50) 25 12 0 366
Dew Point  
Dew Point 70 °F 47 °F 19 °F
Precipitation  
Precipitation 0.70 in 0.06 in 0.00 in 1.76 in
Snowdepth - - - -
Wind  
Wind 30 mph 6 mph 0 mph
Gust Wind 81 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 30.00 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 14, 2013 Rise Set
Actual Time 6:14 AM EDT 8:48 PM EDT
Civil Twilight 5:42 AM EDT 9:20 PM EDT
Nautical Twilight 5:02 AM EDT 10:00 PM EDT
Astronomical Twilight 4:17 AM EDT 10:46 PM EDT
Moon 9:53 AM EDT (5/14) No Moon Set
Length of Visible Light 15h 38m
Length of Day
14h 33m
Waxing Crescent, 19% of the Moon is Illuminated
May 14
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Weather History Calendar

Precipitation Actual month total 1.76 Average Month Total: 2.89
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
81 | 44 0.00
Average:
65 | 39 0.08
Clear
Actual:
80 | 53 0.00
Average:
65 | 40 0.08
Scattered Clouds
Actual:
75 | 55 0.00
Average:
66 | 41 0.08
Clear
Actual:
71 | 55 0.00
Average:
66 | 41 0.08
Clear
Actual:
72 | 53 0.00
Average:
66 | 42 0.09
Clear
Actual:
73 | 46 0.00
Average:
66 | 42 0.09
Scattered Clouds
Actual:
75 | 48 0.00
Average:
66 | 43 0.09
Thunderstorm
Actual:
80 | 48 0.07
Average:
66 | 43 0.10
Fog
Actual:
80 | 44 0.00
Average:
66 | 43 0.10
Rain
Actual:
73 | 44 0.22
Average:
66 | 43 0.10
Rain
Actual:
63 | 35 0.02
Average:
66 | 44 0.10
Partly Cloudy
Actual:
50 | 30 0.00
Average:
66 | 44 0.10
Scattered Clouds
Actual:
55 | 21 0.00
Average:
66 | 44 0.10
Partly Cloudy
Actual:
79 | 41 0.00
Average:
66 | 44 0.10
Clear
Actual:
82 | 55 0.00
Average:
66 | 44 0.10
Clear
Actual:
84 | 46 0.00
Average:
66 | 44 0.10
Scattered Clouds
Actual:
73 | 50 0.00
Average:
65 | 44 0.10
Scattered Clouds
Actual:
80 | 54 0.00
Average:
65 | 43 0.10
Clear
Actual:
84 | 48 0.00
Average:
65 | 43 0.10
Scattered Clouds
Actual:
90 | 57 0.00
Average:
65 | 43 0.10
Rain
Actual:
84 | 64 0.20
Average:
65 | 43 0.10
Thunderstorm
Actual:
81 | 60 0.11
Average:
65 | 43 0.10
Rain
Actual:
64 | 44 0.12
Average:
65 | 43 0.10
Partly Cloudy
Actual:
57 | 37 0.00
Average:
66 | 43 0.09
Fog
Actual:
66 | 28 0.00
Average:
66 | 44 0.09
Fog
Actual:
71 | 32 0.00
Average:
66 | 44 0.09
Rain
Actual:
59 | 43 0.70
Average:
66 | 44 0.09
Thunderstorm
Actual:
79 | 52 0.13
Average:
67 | 45 0.09
Scattered Clouds
Actual:
84 | 64 0.00
Average:
67 | 45 0.09
Thunderstorm
Actual:
88 | 57 0.08
Average:
67 | 45 0.08
Thunderstorm
Actual:
81 | 66 0.11
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

2013 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 81 62 44 56 49 44 100 78 38 30.24 30.15 30.08 10 6 0 13 2 16 0.00 Fog
2 80 66 53 54 49 43 93 58 35 30.25 30.20 30.14 10 10 10 14 4 21 0.00  
3 75 65 55 55 45 32 69 48 23 30.12 30.09 30.05 10 10 10 16 5 23 0.00  
4 71 63 55 47 40 33 69 46 28 30.12 30.09 30.05 10 10 10 17 9 24 0.00  
5 72 62 53 44 38 32 62 45 25 30.11 30.06 30.02 10 10 10 15 7 20 0.00  
6 73 60 46 48 43 37 77 54 38 30.06 30.02 29.98 10 10 10 13 6 17 0.00  
7 75 62 48 52 48 40 86 60 38 30.06 30.02 29.99 10 10 10 12 4 21 0.00  
8 80 64 48 57 50 44 96 65 35 30.02 29.98 29.94 10 10 10 9 3 - 0.07 Rain , Thunderstorm
9 80 61 44 55 48 43 100 75 32 29.97 29.94 29.90 10 5 0 9 1 - 0.00 Fog
10 73 57 44 61 53 39 96 81 64 29.92 29.80 29.76 10 8 2 17 8 23 0.22 Rain
11 63 49 35 47 41 31 89 78 52 29.92 29.85 29.75 10 10 8 21 9 31 0.02 Rain
12 50 41 30 32 28 23 89 63 43 30.11 29.98 29.89 10 10 10 21 11 32 0.00  
13 55 38 21 31 23 19 92 57 25 30.19 30.14 30.11 10 10 10 14 5 20 0.00  
14 79 60 41 53 40 29 69 50 35 30.11 29.90 29.73 10 10 9 18 7 25 0.00  
15 82 68 55 58 48 41 84 47 26 29.79 29.70 29.60 10 10 10 23 8 32 0.00  
16 84 64 46 48 43 38 83 46 24 30.02 29.88 29.79 10 10 10 16 5 22 0.00  
17 73 62 50 45 41 34 68 48 31 30.15 30.10 30.03 10 10 10 12 7 18 0.00  
18 80 67 54 53 45 37 64 50 36 30.15 30.10 30.04 10 10 10 10 6 - 0.00  
19 84 66 48 63 55 44 83 62 43 30.05 29.97 29.90 10 10 10 12 2 - 0.00  
20 90 73 57 68 62 55 94 69 39 29.94 29.87 29.78 10 8 2 20 4 26 0.00  
21 84 75 64 66 61 55 93 63 40 29.82 29.76 29.72 10 9 2 18 7 32 0.20 Rain
22 81 70 60 64 62 57 100 87 50 29.76 29.72 29.63 10 7 1 30 5 81 0.11 Rain , Thunderstorm
23 64 54 44 59 51 40 100 88 75 30.16 29.85 29.71 10 6 1 21 8 25 0.12 Rain
24 57 48 37 41 36 30 93 70 44 30.35 30.28 30.16 10 10 10 15 8 22 0.00  
25 66 46 28 38 33 28 100 76 32 30.41 30.34 30.29 10 6 0 7 1 - 0.00 Fog
26 71 51 32 42 34 29 100 70 26 30.35 30.30 30.23 10 7 0 7 1 - 0.00 Fog
27 59 50 43 48 41 36 88 73 55 30.27 30.15 30.01 10 7 2 12 4 16 0.70 Rain
28 79 65 52 70 62 53 100 87 71 29.99 29.91 29.82 10 6 1 15 5 24 0.13 Rain , Thunderstorm
29 84 73 64 67 64 60 97 72 51 30.00 29.93 29.82 10 9 1 18 9 29 0.00  
30 88 72 57 70 63 57 100 83 49 30.06 30.02 29.97 10 6 0 17 3 28 0.08 Fog , Rain , Thunderstorm
31 81 74 66 70 67 64 94 83 60 30.00 29.93 29.88 10 9 1 18 8 36 0.11 Rain , Thunderstorm