Weather History for Decatur, IL

Change the Weather History Date:

Week of July 21, 2013 through July 27, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 79 °F 72 °F
Mean Temperature 76 °F 70 °F 63 °F
Min Temperature 67 °F 60 °F 53 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 11 5 0 35
Growing Degree Days (base 50) 28 20 14 139
Dew Point  
Dew Point 72 °F 61 °F 46 °F
Precipitation  
Precipitation 0.58 in 0.12 in 0.00 in 0.82 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 28 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.13 in 29.95 in 29.76 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

Jul. 21, 2013 Rise Set
Actual Time 5:44 AM CDT 8:18 PM CDT
Civil Twilight 5:13 AM CDT 8:49 PM CDT
Nautical Twilight 4:34 AM CDT 9:28 PM CDT
Astronomical Twilight 3:51 AM CDT 10:11 PM CDT
Moon 7:16 PM CDT (7/21) 4:30 AM CDT (7/21)
Length of Visible Light 15h 36m
Length of Day
14h 33m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
21 79 73 67 72 68 64 97 86 74 29.97 29.92 29.86 10 4 0 16 5 18 0.58 Fog , Rain , Thunderstorm
22 86 76 66 71 67 64 93 74 55 29.87 29.84 29.78 10 7 0 13 4 20 0.03 Fog , Rain , Thunderstorm
23 87 76 64 71 65 60 90 69 48 29.93 29.83 29.76 10 9 2 18 9 23 0.11 Rain , Thunderstorm
24 76 67 57 58 54 52 93 70 46 30.04 30.01 29.95 10 10 10 15 6 21 0.00  
25 79 66 53 59 55 51 93 69 45 30.13 30.09 30.04 10 10 10 12 2 16 0.00  
26 74 67 60 67 62 55 90 74 57 30.07 30.01 29.92 10 9 2 15 7 22 0.10 Rain
27 72 63 54 60 53 46 90 69 47 30.00 29.96 29.93 10 10 10 20 8 28 0.00