Weather History for Cahokia, IL

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 84 °F 72 °F
Mean Temperature 86 °F 71 °F 58 °F
Min Temperature 73 °F 59 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 6 1 0 22
Cooling Degree Days (base 65) 21 7 0 202
Growing Degree Days (base 50) 36 21 8 634
Dew Point  
Dew Point 76 °F 59 °F 35 °F
Precipitation  
Precipitation 0.44 in 0.05 in 0.00 in 1.64 in
Snowdepth - - - -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 26 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 30.00 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 29, 2013 Rise Set
Actual Time 6:54 AM CDT 6:46 PM CDT
Civil Twilight 6:28 AM CDT 7:12 PM CDT
Nautical Twilight 5:57 AM CDT 7:43 PM CDT
Astronomical Twilight 5:26 AM CDT 8:14 PM CDT
Moon 1:39 AM CDT (9/29) 3:39 PM CDT (9/29)
Length of Visible Light 12h 44m
Length of Day
11h 51m
Waning Crescent, 27% of the Moon is Illuminated
Sep 29
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.64 Average Month Total: 2.79
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Thunderstorm
Actual:
91 | 73 0.03
Average:
81 | 61 0.00
Scattered Clouds
Actual:
84 | 63 0.00
Average:
83 | 63 0.00
Clear
Actual:
84 | 57 0.00
Average:
83 | 65 0.15
Clear
Actual:
87 | 55 0.00
Average:
82 | 64 0.00
Clear
Actual:
88 | 57 0.00
Average:
84 | 62 0.08
Clear
Actual:
89 | 62 0.00
Average:
78 | 62 0.00
Clear
Actual:
93 | 57 0.00
Average:
83 | 60 0.00
Thunderstorm
Actual:
82 | 71 0.36
Average:
78 | 62 0.01
Scattered Clouds
Actual:
97 | 72 0.00
Average:
76 | 61 0.00
Clear
Actual:
98 | 72 0.00
Average:
80 | 58 0.00
Scattered Clouds
Actual:
98 | 68 0.00
Average:
78 | 60 0.00
Scattered Clouds
Actual:
84 | 66 0.02
Average:
81 | 61 0.07
Scattered Clouds
Actual:
77 | 54 0.00
Average:
82 | 66 0.00
Clear
Actual:
77 | 46 0.00
Average:
81 | 61 0.00
Rain
Actual:
84 | 50 0.00
Average:
70 | 60 0.23
Rain
Actual:
75 | 61 0.00
Average:
71 | 59 0.46
Rain
Actual:
73 | 57 0.01
Average:
75 | 60 0.01
Rain
Actual:
89 | 66 0.44
Average:
75 | 63 0.28
Rain
Actual:
89 | 71 0.02
Average:
74 | 61 0.05
Thunderstorm
Actual:
77 | 60 0.44
Average:
76 | 62 0.49
Clear
Actual:
72 | 51 0.01
Average:
75 | 59 0.00
Fog
Actual:
75 | 44 0.00
Average:
75 | 56 0.00
Clear
Actual:
78 | 46 0.01
Average:
75 | 55 0.00
Partly Cloudy
Actual:
84 | 51 0.00
Average:
74 | 53 0.00
Partly Cloudy
Actual:
82 | 60 0.00
Average:
70 | 54 0.07
Rain
Actual:
84 | 55 0.00
Average:
70 | 52 0.25
Clear
Actual:
84 | 55 0.00
Average:
57 | 51 0.44
Rain
Actual:
84 | 57 0.21
Average:
61 | 46 0.00
Rain
Actual:
75 | 52 0.08
Average:
69 | 51 0.00
Fog
Actual:
80 | 48 0.01
Average:
68 | 48 0.20
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 91 82 73 76 71 66 94 73 48 29.83 29.79 29.76 10 9 5 20 2 26 0.03 Thunderstorm
2 84 75 63 70 61 58 90 62 44 29.96 29.91 29.83 10 10 10 13 8 18 0.00  
3 84 70 57 61 58 55 93 67 39 30.08 30.03 29.97 10 10 10 6 2 - 0.00  
4 87 70 55 61 57 53 100 72 33 30.16 30.12 30.08 10 9 2 5 0 - 0.00  
5 88 72 57 64 59 55 93 68 36 30.20 30.16 30.13 10 10 4 7 1 - 0.00  
6 89 75 62 63 62 58 93 67 37 30.18 30.11 30.04 10 10 6 7 2 - 0.00  
7 93 75 57 66 62 57 97 66 31 30.06 29.99 29.91 10 9 2 9 3 - 0.00  
8 82 76 71 73 70 64 100 83 64 30.02 29.94 29.91 10 7 2 10 3 - 0.36 Rain , Thunderstorm
9 97 84 72 73 70 65 97 71 35 29.96 29.93 29.89 10 7 3 6 3 - 0.00  
10 98 86 72 68 62 56 81 46 26 30.08 30.04 30.00 10 10 10 8 5 - 0.00  
11 98 82 68 69 66 61 93 62 33 30.13 30.07 30.01 10 10 6 8 2 - 0.00  
12 84 77 66 68 61 48 84 59 38 30.09 30.03 29.98 10 10 9 15 7 23 0.02  
13 77 65 54 53 48 41 81 56 34 30.14 30.09 30.06 10 10 10 15 6 21 0.00  
14 77 62 46 48 43 35 90 56 23 30.18 30.10 30.04 10 10 10 9 2 - 0.00  
15 84 67 50 64 53 45 87 62 36 30.10 30.05 29.99 10 10 9 14 3 17 0.00 Rain
16 75 67 61 64 58 53 88 76 50 30.27 30.19 30.11 10 10 9 12 8 - 0.00 Rain
17 73 65 57 64 58 52 84 78 68 30.24 30.17 30.08 10 10 3 6 3 - 0.01 Rain
18 89 77 66 73 67 61 96 83 48 30.08 30.02 29.95 10 7 2 12 4 - 0.44 Rain
19 89 80 71 72 70 67 93 76 52 30.00 29.94 29.86 10 9 5 9 5 - 0.02 Rain
20 77 70 60 71 66 53 96 88 72 29.93 29.90 29.87 10 8 2 14 4 17 0.44 Rain , Thunderstorm
21 72 61 51 52 50 47 96 71 42 29.97 29.93 29.90 10 10 9 14 6 21 0.01  
22 75 58 44 53 48 45 100 80 38 30.03 29.97 29.94 10 8 0 7 1 - 0.00 Fog
23 78 62 46 52 49 45 100 70 34 30.04 29.98 29.93 10 9 2 10 3 20 0.01  
24 84 68 51 64 57 49 94 74 44 29.96 29.87 29.79 10 10 10 13 4 17 0.00  
25 82 71 60 64 62 59 100 80 45 29.87 29.83 29.79 10 9 6 10 4 - 0.00  
26 84 70 55 64 58 55 100 76 40 30.01 29.96 29.87 10 7 0 9 2 - 0.00 Fog , Rain
27 84 70 55 61 55 52 97 69 33 30.11 30.05 30.00 10 8 2 10 3 18 0.00  
28 84 70 57 67 59 53 96 66 44 30.06 30.00 29.95 10 9 1 13 5 23 0.21 Rain
29 75 64 52 67 57 48 97 79 40 30.07 30.01 29.97 10 9 4 15 5 - 0.08 Rain
30 80 63 48 63 55 47 100 89 50 30.00 29.96 29.89 10 5 0 8 1 16 0.01 Fog