Weather History for Decatur, IL

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Week of May 12, 2013 through May 18, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 77 °F 58 °F
Mean Temperature 78 °F 65 °F 49 °F
Min Temperature 69 °F 53 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 16 4 0 29
Cooling Degree Days (base 65) 13 4 0 30
Growing Degree Days (base 50) 28 15 0 108
Dew Point  
Dew Point 68 °F 53 °F 27 °F
Precipitation  
Precipitation 0.11 in 0.03 in 0.00 in 0.21 in
Snowdepth - - - -
Wind  
Wind 22 mph 9 mph 0 mph
Gust Wind 30 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 29.98 in 29.75 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 12, 2013 Rise Set
Actual Time 5:43 AM CDT 8:00 PM CDT
Civil Twilight 5:12 AM CDT 8:31 PM CDT
Nautical Twilight 4:35 AM CDT 9:08 PM CDT
Astronomical Twilight 3:54 AM CDT 9:50 PM CDT
Moon 7:38 AM CDT (5/12) 10:27 PM CDT (5/12)
Length of Visible Light 15h 18m
Length of Day
14h 17m
Waxing Crescent, 7% of the Moon is Illuminated
May 12
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

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  
12 58 49 40 35 31 27 67 51 35 30.20 30.16 30.12 10 10 10 22 11 30 0.00  
13 68 52 36 44 39 35 92 63 34 30.22 30.15 30.07 10 10 10 15 7 21 0.00  
14 87 70 53 64 55 41 71 57 43 30.04 29.86 29.75 10 10 10 22 15 28 0.00  
15 87 78 69 68 61 53 84 65 46 29.88 29.84 29.79 10 10 5 21 13 30 0.10 Rain , Thunderstorm
16 80 70 60 66 61 54 90 69 48 29.96 29.90 29.81 10 10 3 20 7 25 0.11 Rain
17 78 67 56 65 61 57 100 81 62 29.99 29.97 29.93 10 8 2 16 6 21 0.00  
18 81 70 58 65 62 57 100 79 58 30.04 29.99 29.92 10 6 0 13 5 18 0.00 Fog