Decatur, IL

12:03 AM CST on February 18, 2018 (GMT -0600)
Decatur

Weather History for KDEC - September, 2015

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Month of September, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 84 °F 68 °F
Mean Temperature 83 °F 71 °F 58 °F
Min Temperature 71 °F 58 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 7 1 0 22
Cooling Degree Days (base 65) 18 7 0 208
Growing Degree Days (base 50) 33 21 10 630
Dew Point  
Dew Point 72 °F 57 °F 39 °F
Precipitation  
Precipitation 1.18 in 0.08 in 0.00 in 2.14 in
Snowdepth - - - -
Wind  
Wind 28 mph 7 mph 0 mph
Gust Wind 38 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 30.05 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 16, 2015 Rise Set
Actual Time 6:37 AM CDT 7:02 PM CDT
Civil Twilight 6:10 AM CDT 7:29 PM CDT
Nautical Twilight 5:38 AM CDT 8:01 PM CDT
Astronomical Twilight 5:05 AM CDT 8:34 PM CDT
Moon 9:38 AM CDT (9/16) 8:52 PM CDT (9/16)
Length of Visible Light 13h 19m
Length of Day
12h 25m
Waxing Crescent, 10% of the Moon is Illuminated
Sep 16
Waxing Crescent
Sep 21
First Quarter
Sep 27
Full
Oct 4
Last Quarter
Oct 12
New

Daily Weather History & Observations

2015 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  
1 91 81 71 72 69 68 90 71 52 30.11 30.06 30.01 10 10 9 15 8 19 0.00 Thunderstorm
2 94 82 70 70 67 64 90 66 41 30.10 30.03 29.97 10 10 7 17 7 22 0.00  
3 94 82 70 70 67 64 84 62 39 30.01 29.96 29.89 10 10 10 13 7 18 0.00  
4 95 82 69 70 66 60 84 60 36 30.06 29.99 29.94 10 10 9 21 6 28 0.00 Thunderstorm
5 93 80 66 70 65 61 87 64 41 30.11 30.07 30.02 10 10 8 13 4 14 0.00  
6 96 82 67 68 65 59 87 59 31 30.09 30.04 29.99 10 10 8 15 7 24 0.00  
7 95 83 70 70 67 61 90 61 31 30.05 29.99 29.95 10 10 7 18 7 26 0.00  
8 92 81 69 72 68 67 93 70 47 29.99 29.90 29.85 10 8 1 26 10 34 1.18 Rain , Thunderstorm
9 83 73 62 69 65 59 93 71 49 30.00 29.95 29.91 10 10 9 14 5 17 0.00  
10 88 73 57 64 59 54 97 64 31 29.98 29.93 29.86 10 10 6 28 4 38 T Thunderstorm
11 73 64 55 61 58 49 90 66 41 30.03 29.97 29.90 10 9 2 22 9 27 0.69 Rain , Thunderstorm
12 68 58 48 51 46 41 86 64 42 30.09 30.05 30.01 10 10 10 18 10 26 0.00  
13 74 60 45 46 43 39 93 61 29 30.12 30.07 30.01 10 10 10 13 5 17 0.00  
14 81 67 53 55 50 45 77 57 36 30.16 30.10 30.05 10 10 10 20 12 26 0.00  
15 83 71 59 53 51 48 75 53 31 30.25 30.21 30.17 10 10 10 20 10 24 0.00  
16 85 70 54 57 54 49 77 57 37 30.26 30.18 30.12 10 10 10 16 10 21 0.00  
17 87 76 64 65 61 56 78 62 46 30.10 30.01 29.90 10 10 10 20 12 26 0.00  
18 82 76 70 71 67 64 84 75 65 29.91 29.84 29.76 10 10 4 22 8 27 0.15 Rain , Thunderstorm
19 77 65 52 70 60 48 87 68 49 30.12 29.91 29.76 10 10 4 21 11 30 0.12 Rain , Thunderstorm
20 77 62 46 51 46 44 93 63 33 30.21 30.14 30.09 10 10 10 13 5 16 0.00  
21 80 62 44 50 45 42 86 58 30 30.16 30.11 30.06 10 10 10 8 3 11 0.00  
22 84 66 47 54 47 44 86 56 26 30.21 30.17 30.11 10 10 9 9 2 13 0.00  
23 85 68 50 52 48 45 83 55 27 30.24 30.19 30.15 10 10 10 13 4 16 0.00  
24 86 69 51 54 50 47 89 58 27 30.23 30.18 30.15 10 10 10 14 6 18 0.00  
25 86 70 53 56 52 49 93 61 29 30.20 30.15 30.10 10 10 6 21 9 28 0.00  
26 81 66 51 59 55 48 83 63 42 30.20 30.15 30.11 10 10 10 24 11 29 0.00  
27 79 68 57 63 61 54 90 74 58 30.11 30.06 30.01 10 10 8 14 6 16 T  
28 81 70 59 65 61 58 93 72 51 30.04 30.00 29.94 10 7 0 12 3 14 0.00 Fog
29 74 67 59 66 60 50 87 77 66 30.06 29.96 29.92 10 10 7 23 8 30 T Rain
30 72 62 51 49 44 39 77 56 34 30.18 30.12 30.05 10 10 10 23 15 28 0.00