Weather History for Pontiac, IL

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Week of May 19, 2013 through May 25, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 74 °F 60 °F
Mean Temperature 78 °F 65 °F 52 °F
Min Temperature 66 °F 55 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 14 5 0 37
Cooling Degree Days (base 65) 14 5 0 33
Growing Degree Days (base 50) 28 15 2 103
Dew Point  
Dew Point 72 °F 55 °F 36 °F
Precipitation  
Precipitation 1.39 in 0.30 in 0.00 in 2.09 in
Snowdepth - - - -
Wind  
Wind 31 mph 11 mph 0 mph
Gust Wind 56 mph 22 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.97 in 29.64 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 20, 2013 Rise Set
Actual Time 5:32 AM CDT 8:10 PM CDT
Civil Twilight 5:00 AM CDT 8:42 PM CDT
Nautical Twilight 4:20 AM CDT 9:22 PM CDT
Astronomical Twilight 3:36 AM CDT 10:07 PM CDT
Moon 3:15 PM CDT (5/20) 2:29 AM CDT (5/20)
Length of Visible Light 15h 41m
Length of Day
14h 38m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

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  
19 91 76 60 72 63 59 94 65 36 29.96 29.86 29.75 10 8 2 25 9 30 0.00  
20 91 78 66 70 61 52 94 56 26 29.85 29.78 29.71 10 10 5 31 18 50 0.46 Rain , Thunderstorm
21 80 72 64 66 64 61 94 74 58 29.78 29.72 29.67 10 10 10 23 16 28 0.18 Rain , Thunderstorm
22 73 68 62 66 62 55 100 82 57 29.79 29.70 29.64 10 9 0 16 10 56 1.39 Rain , Thunderstorm
23 62 54 46 57 53 39 94 85 72 30.28 30.02 29.79 10 9 2 21 11 28 0.03 Rain
24 64 52 39 46 40 37 93 65 40 30.43 30.36 30.28 10 10 4 13 6 16 0.00  
25 60 53 46 50 41 36 88 66 45 30.40 30.33 30.24 10 10 10 13 6 - 0.03 Rain