Weather History for Decatur, IL

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Week of September 25, 2011 through October 1, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 69 °F 63 °F
Mean Temperature 66 °F 58 °F 51 °F
Min Temperature 53 °F 47 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 14 7 0 49
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 15 8 2 55
Dew Point  
Dew Point 57 °F 47 °F 34 °F
Precipitation  
Precipitation 0.41 in 0.19 in 0.00 in 1.14 in
Snowdepth - - - -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 40 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 29.90 in 29.65 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 29, 2011 Rise Set
Actual Time 6:49 AM CDT 6:41 PM CDT
Civil Twilight 6:22 AM CDT 7:08 PM CDT
Nautical Twilight 5:51 AM CDT 7:39 PM CDT
Astronomical Twilight 5:19 AM CDT 8:11 PM CDT
Moon 9:33 AM CDT (9/29) 7:54 PM CDT (9/29)
Length of Visible Light 12h 45m
Length of Day
11h 51m
Waxing Crescent, 7% of the Moon is Illuminated
Sep 29
Waxing Crescent
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
25 71 58 45 57 51 40 100 69 37 29.92 29.88 29.75 10 5 0 14 4 17 0.27 Fog , Rain
26 66 57 48 56 50 45 100 74 48 29.78 29.74 29.68 10 8 2 22 11 30 0.36 Rain
27 63 58 53 54 52 50 93 80 67 29.86 29.75 29.65 10 9 2 18 10 25 0.41 Rain
28 72 61 50 54 52 50 93 73 53 29.85 29.83 29.81 10 9 5 13 5 16 0.10 Rain
29 82 66 49 57 48 41 93 65 36 29.86 29.83 29.76 10 9 5 30 11 40 T  
30 68 56 43 42 38 35 83 58 32 30.16 30.03 29.85 10 10 10 26 15 36 0.00  
2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 64 51 38 40 37 34 83 60 36 30.31 30.25 30.16 10 10 10 20 10 26 0.00