Weather History for Decatur, IL

Change the Weather History Date:

Week of September 2, 2012 through September 8, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 85 °F 73 °F
Mean Temperature 81 °F 76 °F 65 °F
Min Temperature 72 °F 66 °F 56 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 16 11 0 76
Growing Degree Days (base 50) 30 25 14 174
Dew Point  
Dew Point 76 °F 67 °F 47 °F
Precipitation  
Precipitation 1.08 in 0.30 in 0.00 in 2.08 in
Snowdepth - - - -
Wind  
Wind 25 mph 8 mph 0 mph
Gust Wind 31 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 29.99 in 29.86 in 29.69 in

Weekly Weather History Graph

Weekly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 06, 2012 Rise Set
Actual Time 6:28 AM CDT 7:17 PM CDT
Civil Twilight 6:01 AM CDT 7:45 PM CDT
Nautical Twilight 5:28 AM CDT 8:17 PM CDT
Astronomical Twilight 4:54 AM CDT 8:51 PM CDT
Moon 10:29 PM CDT (9/6) 12:27 PM CDT (9/6)
Length of Visible Light 13h 44m
Length of Day
12h 49m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 6
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Daily Weather History & Observations

2012 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  
2 81 77 72 76 73 71 100 90 79 29.85 29.80 29.74 10 7 1 21 10 23 0.37 Rain
3 89 81 72 73 72 70 100 81 61 29.90 29.86 29.83 10 9 2 16 7 21 0.02 Rain
4 91 81 70 74 72 68 97 75 52 29.91 29.87 29.83 10 10 10 10 2 13 0.00  
5 83 75 66 70 67 63 100 82 63 29.96 29.86 29.77 10 9 2 25 9 31 0.61 Rain , Thunderstorm
6 89 78 66 73 68 64 100 73 46 29.96 29.91 29.87 10 8 1 9 4 - 0.00  
7 86 74 61 70 66 59 100 79 58 29.92 29.80 29.69 10 9 0 22 11 29 1.08 Fog , Rain , Thunderstorm
8 73 65 56 56 52 47 93 69 44 29.99 29.93 29.87 10 10 10 18 10 25 0.00