Weather History for Pontiac, MI

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 79 °F 66 °F
Mean Temperature 78 °F 69 °F 58 °F
Min Temperature 70 °F 60 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 6 1 0 20
Cooling Degree Days (base 65) 14 5 0 145
Growing Degree Days (base 50) 28 19 8 592
Dew Point  
Dew Point 74 °F 59 °F 43 °F
Precipitation  
Precipitation 0.83 in 0.08 in 0.00 in 2.44 in
Snowdepth - - - -
Wind  
Wind 22 mph 5 mph 0 mph
Gust Wind 29 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.03 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 18, 2013 Rise Set
Actual Time 6:43 AM EDT 8:30 PM EDT
Civil Twilight 6:13 AM EDT 9:00 PM EDT
Nautical Twilight 5:36 AM EDT 9:37 PM EDT
Astronomical Twilight 4:57 AM EDT 10:16 PM EDT
Moon 6:36 PM EDT (8/18) 3:50 AM EDT (8/18)
Length of Visible Light 14h 46m
Length of Day
13h 46m
Waxing Gibbous, 92% of the Moon is Illuminated
Aug 18
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Weather History Calendar

Precipitation Actual month total 2.44 Average Month Total: 1.32
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
77 | 63 0.01
Average:
79 | 59 0.06
Partly Cloudy
Actual:
73 | 57 0.00
Average:
79 | 59 0.06
Scattered Clouds
Actual:
77 | 57 0.00
Average:
79 | 59 0.05
Partly Cloudy
Actual:
72 | 55 0.00
Average:
79 | 59 0.05
Rain
Actual:
71 | 55 0.00
Average:
79 | 59 0.05
Rain
Actual:
77 | 63 0.13
Average:
78 | 59 0.05
Thunderstorm
Actual:
81 | 62 0.16
Average:
78 | 59 0.04
Partly Cloudy
Actual:
75 | 64 0.00
Average:
78 | 59 0.04
Partly Cloudy
Actual:
79 | 59 0.00
Average:
78 | 59 0.04
Partly Cloudy
Actual:
75 | 59 0.00
Average:
77 | 59 0.04
Mostly Cloudy
Actual:
78 | 63 0.00
Average:
77 | 58 0.04
Thunderstorm
Actual:
70 | 64 0.83
Average:
77 | 58 0.04
Partly Cloudy
Actual:
66 | 54 0.01
Average:
77 | 58 0.04
Partly Cloudy
Actual:
70 | 48 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
71 | 51 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
78 | 54 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
79 | 54 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
81 | 57 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
82 | 57 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
84 | 60 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
86 | 64 0.00
Average:
76 | 58 0.04
Partly Cloudy
Actual:
82 | 70 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
82 | 60 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
81 | 55 0.00
Average:
76 | 58 0.04
Scattered Clouds
Actual:
87 | 55 0.00
Average:
76 | 58 0.04
Partly Cloudy
Actual:
87 | 70 0.07
Average:
76 | 57 0.04
Thunderstorm
Actual:
81 | 70 0.45
Average:
76 | 57 0.04
Rain
Actual:
82 | 70 0.09
Average:
76 | 57 0.04
Scattered Clouds
Actual:
87 | 64 0.00
Average:
76 | 56 0.04
Thunderstorm
Actual:
86 | 66 0.69
Average:
76 | 56 0.04
Rain
Actual:
78 | 68 0.00
Average:
76 | 56 0.04
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 77 69 63 63 60 51 94 79 42 29.92 29.90 29.87 10 8 5 22 9 26 0.01 Rain
2 73 65 57 63 57 53 90 76 55 29.93 29.89 29.85 10 10 8 16 8 25 0.00  
3 77 66 57 62 55 49 90 65 40 30.06 29.98 29.90 10 10 8 14 7 21 0.00  
4 72 63 55 53 51 47 89 67 45 30.17 30.12 30.06 10 10 10 14 7 20 0.00  
5 71 63 55 55 50 47 81 62 44 30.12 30.06 29.97 10 10 10 10 3 - 0.00 Rain
6 77 70 63 66 62 59 93 79 60 29.96 29.93 29.90 10 8 2 12 6 16 0.13 Rain
7 81 72 62 70 65 60 94 82 58 29.93 29.87 29.83 10 8 2 13 5 28 0.16 Rain , Thunderstorm
8 75 70 64 68 61 57 94 78 53 30.03 29.97 29.90 10 10 10 10 7 - 0.00  
9 79 69 59 59 55 52 81 61 40 30.01 29.97 29.94 10 10 10 13 5 - 0.00  
10 75 67 59 59 55 52 90 66 43 30.14 30.10 30.02 10 10 10 8 4 - 0.00  
11 78 70 63 60 56 53 79 64 48 30.12 30.09 30.04 10 10 10 10 2 - 0.00  
12 70 66 64 65 63 59 94 88 76 30.06 29.95 29.85 10 7 1 10 3 - 0.83 Rain , Thunderstorm
13 66 59 54 64 52 43 97 75 47 30.05 29.93 29.83 10 9 5 18 10 24 0.01  
14 70 58 48 50 47 44 89 68 42 30.16 30.13 30.06 10 10 10 13 8 - 0.00  
15 71 61 51 53 49 46 89 63 44 30.17 30.14 30.10 10 10 10 9 5 - 0.00  
16 78 66 54 55 53 50 90 64 39 30.21 30.16 30.12 10 10 10 8 2 - 0.00  
17 79 66 54 55 53 50 93 64 37 30.28 30.23 30.20 10 10 8 12 2 - 0.00  
18 81 68 57 61 55 52 93 66 38 30.23 30.18 30.12 10 9 4 8 1 - 0.00  
19 82 69 57 61 56 50 93 63 34 30.12 30.09 30.04 10 9 6 13 2 21 0.00  
20 84 72 60 64 60 56 90 66 43 30.14 30.10 30.07 10 9 5 15 3 20 0.00  
21 86 74 64 66 64 61 87 68 49 30.13 30.07 30.00 10 8 5 12 3 16 0.00  
22 82 76 70 66 64 61 84 70 54 30.04 30.01 29.93 10 10 8 12 7 - 0.00  
23 82 70 60 59 53 47 78 58 34 30.22 30.13 30.06 10 10 10 12 5 - 0.00  
24 81 68 55 61 55 50 93 65 35 30.32 30.27 30.22 10 10 9 9 2 - 0.00  
25 87 71 55 62 58 54 94 65 37 30.30 30.24 30.15 10 9 2 13 4 20 0.00  
26 87 78 70 72 65 60 84 66 53 30.14 30.05 29.97 10 10 7 15 9 22 0.07  
27 81 76 70 74 71 66 96 86 72 30.00 29.93 29.84 10 8 3 22 5 29 0.45 Rain , Thunderstorm
28 82 76 70 73 70 66 100 86 62 30.01 29.87 29.78 10 8 2 12 6 - 0.09 Rain
29 87 75 64 68 65 63 93 71 48 30.07 30.03 30.00 10 10 7 8 3 - 0.00  
30 86 76 66 73 68 64 94 79 49 30.00 29.85 29.75 10 8 1 15 4 23 0.69 Rain , Thunderstorm
31 78 73 68 72 67 63 97 82 60 29.86 29.81 29.74 10 9 4 10 4 - 0.00 Rain