Weather History for Decatur, IL

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 83 °F 69 °F
Mean Temperature 85 °F 73 °F 63 °F
Min Temperature 77 °F 64 °F 51 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 4
Cooling Degree Days (base 65) 20 8 0 263
Growing Degree Days (base 50) 34 23 13 711
Dew Point  
Dew Point 74 °F 64 °F 46 °F
Precipitation  
Precipitation 1.78 in 0.11 in 0.00 in 3.09 in
Snowdepth - - - -
Wind  
Wind 21 mph 6 mph 0 mph
Gust Wind 30 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.34 in 30.04 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 12, 2013 Rise Set
Actual Time 5:37 AM CDT 8:24 PM CDT
Civil Twilight 5:05 AM CDT 8:56 PM CDT
Nautical Twilight 4:25 AM CDT 9:36 PM CDT
Astronomical Twilight 3:39 AM CDT 10:21 PM CDT
Moon 9:53 AM CDT (7/12) 10:35 PM CDT (7/12)
Length of Visible Light 15h 50m
Length of Day
14h 46m
Waxing Crescent, 17% of the Moon is Illuminated
Jul 12
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New

Weather History Calendar

Precipitation Actual month total 3.09 Normal Month Total: 3.86
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
77 | 61 T
Average:
86 | 65 0.12
Rain
Actual:
71 | 62 0.07
Average:
86 | 66 0.13
Rain
Actual:
78 | 62 0.01
Average:
87 | 66 0.12
Clear
Actual:
81 | 60 0.00
Average:
87 | 66 0.13
Fog
Actual:
82 | 60 0.00
Average:
87 | 66 0.14
Partly Cloudy
Actual:
82 | 65 0.00
Average:
87 | 66 0.12
Clear
Actual:
88 | 65 0.00
Average:
87 | 66 0.11
Rain
Actual:
88 | 73 T
Average:
87 | 66 0.11
Scattered Clouds
Actual:
91 | 77 T
Average:
87 | 66 0.10
Thunderstorm
Actual:
87 | 68 1.78
Average:
87 | 66 0.13
Scattered Clouds
Actual:
81 | 61 0.00
Average:
87 | 66 0.12
Clear
Actual:
82 | 54 0.00
Average:
87 | 66 0.13
Clear
Actual:
83 | 57 0.00
Average:
87 | 65 0.13
Scattered Clouds
Actual:
88 | 63 0.00
Average:
87 | 65 0.13
Scattered Clouds
Actual:
88 | 69 0.00
Average:
87 | 65 0.14
Scattered Clouds
Actual:
90 | 70 0.00
Average:
87 | 65 0.15
Scattered Clouds
Actual:
92 | 71 0.00
Average:
87 | 65 0.14
Scattered Clouds
Actual:
93 | 74 0.00
Average:
87 | 65 0.14
Clear
Actual:
93 | 76 0.00
Average:
87 | 65 0.13
Scattered Clouds
Actual:
90 | 71 0.00
Average:
87 | 65 0.13
Thunderstorm
Actual:
79 | 67 0.58
Average:
87 | 65 0.13
Thunderstorm
Actual:
86 | 66 0.03
Average:
86 | 65 0.13
Thunderstorm
Actual:
87 | 64 0.11
Average:
86 | 65 0.14
Clear
Actual:
76 | 57 0.00
Average:
86 | 64 0.12
Clear
Actual:
79 | 53 0.00
Average:
86 | 64 0.12
Rain
Actual:
74 | 60 0.10
Average:
86 | 64 0.11
Scattered Clouds
Actual:
72 | 54 0.00
Average:
86 | 64 0.12
Scattered Clouds
Actual:
75 | 51 0.00
Average:
86 | 64 0.11
Clear
Actual:
79 | 52 0.00
Average:
86 | 64 0.11
Rain
Actual:
69 | 65 0.36
Average:
86 | 64 0.11
Rain
Actual:
78 | 66 0.05
Average:
86 | 64 0.11
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

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  
1 77 69 61 61 56 50 78 68 57 30.00 29.95 29.91 10 9 5 21 13 26 T Rain
2 71 67 62 61 58 53 90 79 67 30.05 30.01 29.97 10 9 5 20 10 25 0.07 Rain
3 78 70 62 61 59 51 93 67 40 30.09 30.06 30.01 10 7 2 9 4 16 0.01 Rain
4 81 71 60 64 59 56 93 71 48 30.12 30.08 30.04 10 10 6 14 6 20 0.00  
5 82 71 60 66 64 59 100 77 54 30.12 30.07 30.02 10 5 0 14 5 22 0.00 Fog
6 82 74 65 69 66 61 93 76 58 30.09 30.05 30.00 10 8 3 15 5 18 0.00  
7 88 77 65 70 66 61 93 72 50 30.06 30.02 29.99 10 10 10 16 9 - 0.00  
8 88 81 73 74 71 68 84 74 63 30.10 30.04 30.00 10 10 8 17 10 24 T Rain
9 91 84 77 74 72 70 82 71 59 30.04 29.99 29.92 10 10 9 13 8 18 T  
10 87 78 68 74 70 63 85 70 55 30.05 29.94 29.86 10 7 0 21 10 30 1.78 Fog , Rain , Thunderstorm
11 81 71 61 65 60 57 93 69 45 30.08 30.05 30.00 10 9 6 15 7 22 0.00  
12 82 68 54 65 56 50 93 65 36 30.14 30.10 30.06 10 10 7 9 4 18 0.00  
13 83 70 57 65 62 56 93 72 51 30.13 30.10 30.06 10 10 7 14 6 22 0.00  
14 88 76 63 72 67 61 93 72 50 30.18 30.14 30.09 10 9 4 13 6 18 0.00  
15 88 79 69 73 71 68 97 78 59 30.26 30.22 30.17 10 9 4 13 5 18 0.00  
16 90 80 70 73 70 68 97 75 52 30.32 30.29 30.25 10 8 2 10 4 20 0.00  
17 92 82 71 74 70 67 93 69 44 30.34 30.27 30.20 10 9 3 8 1 17 0.00  
18 93 84 74 74 72 70 87 70 52 30.21 30.12 30.02 10 9 5 10 4 16 0.00  
19 93 85 76 74 73 72 88 69 49 30.01 29.93 29.85 10 8 5 16 10 21 0.00  
20 90 81 71 73 70 66 93 72 50 29.94 29.88 29.84 10 9 7 16 7 18 0.00  
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  
28 75 63 51 53 49 47 89 64 38 30.07 30.01 29.97 10 10 10 18 7 24 0.00  
29 79 66 52 61 55 50 93 68 43 30.17 30.14 30.07 10 10 10 10 2 16 0.00  
30 69 67 65 67 64 59 93 86 78 30.17 30.11 30.05 10 5 1 16 7 21 0.36 Rain
31 78 72 66 72 68 64 97 86 74 30.06 30.03 29.98 10 4 0 16 4 21 0.05 Fog , Rain