Weather History for Pontiac, IL

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 76 °F 48 °F
Mean Temperature 80 °F 65 °F 46 °F
Min Temperature 71 °F 53 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 19 5 0 151
Cooling Degree Days (base 65) 15 4 0 139
Growing Degree Days (base 50) 30 15 0 463
Dew Point  
Dew Point 72 °F 50 °F 21 °F
Precipitation  
Precipitation 1.02 in 0.08 in 0.00 in 2.49 in
Snowdepth - - - -
Wind  
Wind 28 mph 10 mph 0 mph
Gust Wind 40 mph 21 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 29.98 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 11, 2014 Rise Set
Actual Time 5:40 AM CDT 8:01 PM CDT
Civil Twilight 5:10 AM CDT 8:32 PM CDT
Nautical Twilight 4:32 AM CDT 9:10 PM CDT
Astronomical Twilight 3:50 AM CDT 9:52 PM CDT
Moon 4:55 PM CDT (5/11) 3:47 AM CDT (5/11)
Length of Visible Light 15h 22m
Length of Day
14h 20m
Waxing Gibbous, 89% of the Moon is Illuminated
May 11
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Weather History Calendar

Precipitation Actual month total 2.49 Average Month Total: 3.65
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
51 | 44 0.04
Average:
69 | 45 0.17
Mostly Cloudy
Actual:
55 | 46 0.00
Average:
68 | 44 0.11
Scattered Clouds
Actual:
71 | 46 0.00
Average:
68 | 45 0.05
Rain
Actual:
64 | 32 0.00
Average:
68 | 44 0.06
Clear
Actual:
71 | 46 0.00
Average:
70 | 47 0.08
Clear
Actual:
78 | 44 0.00
Average:
73 | 47 0.12
Thunderstorm
Actual:
91 | 59 0.00
Average:
70 | 46 0.11
Rain
Actual:
93 | 66 0.03
Average:
71 | 48 0.17
Thunderstorm
Actual:
77 | 55 0.17
Average:
72 | 47 0.08
Clear
Actual:
78 | 46 0.00
Average:
72 | 46 0.06
Thunderstorm
Actual:
87 | 59 1.02
Average:
72 | 49 0.13
Thunderstorm
Actual:
87 | 69 0.04
Average:
72 | 48 0.17
Thunderstorm
Actual:
68 | 53 0.41
Average:
72 | 49 0.12
Rain
Actual:
57 | 46 0.18
Average:
70 | 49 0.17
Thunderstorm
Actual:
55 | 46 0.28
Average:
73 | 50 0.09
Thunderstorm
Actual:
48 | 44 0.03
Average:
74 | 50 0.12
Partly Cloudy
Actual:
60 | 41 0.00
Average:
75 | 51 0.09
Clear
Actual:
69 | 42 0.00
Average:
77 | 52 0.27
Rain
Actual:
73 | 46 0.00
Average:
76 | 54 0.10
Scattered Clouds
Actual:
87 | 64 0.00
Average:
75 | 52 0.13
Scattered Clouds
Actual:
89 | 71 0.00
Average:
76 | 51 0.04
Clear
Actual:
73 | 57 0.00
Average:
76 | 52 0.10
Clear
Actual:
78 | 51 0.00
Average:
74 | 54 0.20
Clear
Actual:
78 | 48 0.00
Average:
74 | 53 0.13
Clear
Actual:
86 | 57 0.00
Average:
76 | 53 0.12
Thunderstorm
Actual:
91 | 64 0.19
Average:
73 | 52 0.16
Scattered Clouds
Actual:
86 | 69 0.00
Average:
75 | 53 0.10
Thunderstorm
Actual:
86 | 60 0.10
Average:
77 | 55 0.04
Rain
Actual:
87 | 59 0.00
Average:
76 | 55 0.15
Clear
Actual:
89 | 60 0.00
Average:
77 | 56 0.15
Clear
Actual:
91 | 60 0.00
Average:
77 | 56 0.06
 

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 51 48 44 45 43 39 93 83 71 29.87 29.80 29.74 10 10 4 25 15 32 0.04 Rain
2 55 50 46 45 44 43 93 79 63 29.88 29.83 29.72 10 10 10 20 12 23 0.00  
3 71 58 46 45 39 30 87 51 25 29.92 29.82 29.71 10 10 2 23 14 31 0.00  
4 64 48 32 45 34 21 100 46 26 30.08 30.00 29.91 10 10 10 20 9 17 0.00 Rain
5 71 58 46 39 34 21 66 45 29 30.03 29.91 29.85 10 10 7 22 16 26 0.00  
6 78 61 44 43 39 34 76 41 23 29.95 29.87 29.77 10 10 10 26 19 33 0.00  
7 91 75 59 66 55 43 67 50 31 29.82 29.79 29.75 10 10 7 23 15 28 0.00 Rain , Thunderstorm
8 93 80 66 66 59 48 94 54 23 29.89 29.84 29.79 10 10 7 26 14 34 0.03 Rain
9 77 66 55 66 58 46 94 69 38 29.90 29.78 29.73 10 10 5 24 14 33 0.17 Rain , Thunderstorm
10 78 62 46 52 45 39 100 55 24 29.98 29.93 29.87 10 10 10 9 3 - 0.00  
11 87 73 59 70 59 45 100 66 35 29.96 29.92 29.83 10 10 2 24 12 30 1.02 Rain , Thunderstorm
12 87 78 69 72 69 66 94 77 49 29.93 29.87 29.81 10 10 5 28 16 40 0.04 Rain , Thunderstorm
13 68 60 53 66 56 46 100 88 77 30.18 30.02 29.88 10 10 5 18 10 23 0.41 Rain , Thunderstorm
14 57 52 46 48 45 43 93 77 59 30.19 30.11 29.99 10 10 5 20 9 25 0.18 Rain
15 55 50 46 46 45 39 100 85 54 30.04 29.99 29.92 10 9 5 21 13 26 0.28 Rain , Thunderstorm
16 48 46 44 46 42 39 100 90 81 30.12 30.02 29.95 10 10 7 17 8 22 0.03 Rain , Thunderstorm
17 60 50 41 43 38 30 93 65 34 30.22 30.15 30.11 10 10 4 14 4 17 0.00  
18 69 56 42 46 40 37 87 57 31 30.28 30.23 30.19 10 10 10 13 7 16 0.00  
19 73 60 46 54 47 43 93 61 35 30.23 30.10 29.92 10 10 10 28 11 33 0.00 Rain
20 87 76 64 64 61 52 88 63 43 29.97 29.88 29.83 10 10 10 20 15 26 0.00  
21 89 80 71 66 60 52 83 53 27 29.97 29.88 29.82 10 10 10 18 10 24 0.00  
22 73 66 57 52 49 43 72 52 33 30.15 30.07 29.97 10 10 10 15 8 21 0.00  
23 78 64 51 54 47 43 94 57 28 30.20 30.16 30.12 10 10 5 18 4 18 0.00  
24 78 63 48 52 43 37 87 50 24 30.23 30.17 30.11 10 10 7 8 4 - 0.00  
25 86 72 57 57 51 45 82 50 25 30.14 30.09 30.01 10 10 10 14 7 17 0.00  
26 91 78 64 70 62 57 94 63 31 30.07 30.01 29.91 10 10 7 18 7 23 0.19 Rain , Thunderstorm
27 86 78 69 70 66 61 88 72 45 29.99 29.95 29.89 10 10 10 15 8 20 0.00  
28 86 74 60 70 64 57 94 77 45 30.03 29.96 29.92 10 10 4 20 5 32 0.10 Rain , Thunderstorm
29 87 73 59 68 61 55 100 74 43 30.10 30.05 30.00 10 7 0 18 9 24 0.00 Fog , Rain
30 89 74 60 61 53 34 88 52 15 30.16 30.11 30.07 10 10 10 15 8 20 0.00  
31 91 76 60 55 50 43 82 43 18 30.17 30.11 30.04 10 10 4 15 8 25 0.00