Weather History for Cahokia, IL

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 47 °F 35 °F
Mean Temperature 52 °F 40 °F 28 °F
Min Temperature 46 °F 32 °F 18 °F
Degree Days  
Heating Degree Days (base 65) 38 25 12 785
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 4
Dew Point  
Dew Point 56 °F 32 °F 12 °F
Precipitation  
Precipitation 0.63 in 0.10 in 0.00 in 3.10 in
Snowdepth - - - -
Wind  
Wind 23 mph 6 mph 0 mph
Gust Wind 33 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.64 in 30.18 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 23, 2011 Rise Set
Actual Time 7:15 AM CST 4:43 PM CST
Civil Twilight 6:45 AM CST 5:13 PM CST
Nautical Twilight 6:12 AM CST 5:47 PM CST
Astronomical Twilight 5:39 AM CST 6:19 PM CST
Moon 6:04 AM CST (12/23) 3:52 PM CST (12/23)
Length of Visible Light 10h 27m
Length of Day
9h 28m
Waning Crescent, 1% of the Moon is Illuminated
Dec 23
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Weather History Calendar

Precipitation Actual month total 3.10 Average Month Total: 5.14
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
48 | 27 0.00
Average:
37 | 25 0.00
Rain
Actual:
46 | 34 0.00
Average:
34 | 24 1.46
Rain
Actual:
60 | 43 0.16
Average:
35 | 24 0.00
Rain
Actual:
55 | 36 0.63
Average:
49 | 27 0.16
Overcast
Actual:
35 | 32 0.00
Average:
48 | 43 0.23
Snow
Actual:
35 | 32 0.00
Average:
60 | 45 0.01
Snow
Actual:
39 | 30 0.00
Average:
62 | 50 0.15
Scattered Clouds
Actual:
44 | 25 0.00
Average:
60 | 37 0.50
Partly Cloudy
Actual:
37 | 25 0.00
Average:
42 | 39 0.27
Clear
Actual:
37 | 18 0.00
Average:
40 | 32 0.13
Clear
Actual:
45 | 23 0.00
Average:
32 | 29 0.45
Partly Cloudy
Actual:
48 | 27 0.00
Average:
39 | 30 0.00
Rain
Actual:
46 | 41 0.38
Average:
37 | 29 0.12
Thunderstorm
Actual:
60 | 45 0.49
Average:
40 | 27 0.07
Rain
Actual:
61 | 35 0.02
Average:
43 | 28 0.00
Clear
Actual:
41 | 27 0.00
Average:
42 | 30 0.17
Clear
Actual:
46 | 25 0.00
Average:
54 | 34 0.00
Scattered Clouds
Actual:
55 | 28 0.00
Average:
56 | 39 0.00
Rain
Actual:
53 | 46 0.52
Average:
60 | 37 0.00
Rain
Actual:
46 | 44 0.14
Average:
57 | 41 0.02
Rain
Actual:
46 | 42 0.01
Average:
59 | 29 1.15
Mostly Cloudy
Actual:
43 | 36 0.00
Average:
32 | 22 0.00
Partly Cloudy
Actual:
37 | 28 0.00
Average:
31 | 19 0.00
Clear
Actual:
46 | 25 0.00
Average:
39 | 26 0.00
Clear
Actual:
51 | 27 0.00
Average:
39 | 21 0.02
Rain
Actual:
41 | 23 0.51
Average:
37 | 21 0.00
Snow
Actual:
44 | 32 0.21
Average:
30 | 23 0.15
Clear
Actual:
46 | 28 0.00
Average:
31 | 19 0.03
Rain
Actual:
61 | 37 0.01
Average:
33 | 18 0.00
Rain
Actual:
55 | 45 0.02
Average:
39 | 25 0.05
Clear
Actual:
57 | 30 0.00
Average:
35 | 14 0.00
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 48 38 27 33 28 23 89 74 54 30.32 30.27 30.21 10 10 10 8 3 - 0.00  
2 46 40 34 37 34 28 85 73 59 30.48 30.41 30.32 10 9 5 9 5 - 0.00 Rain
3 60 52 43 46 40 36 83 67 47 30.32 30.17 30.00 10 10 4 15 7 25 0.16 Rain
4 55 46 36 52 42 30 94 84 74 30.27 30.11 29.95 10 8 2 18 8 30 0.63 Rain
5 35 34 32 30 27 26 82 77 75 30.31 30.28 30.23 10 10 8 23 15 26 0.00  
6 35 34 32 31 29 27 89 86 81 30.27 30.23 30.17 9 5 1 16 11 - 0.00 Snow
7 39 34 30 28 21 12 89 64 33 30.24 30.19 30.15 10 9 5 15 8 - 0.00 Snow
8 44 34 25 29 24 18 81 64 45 30.31 30.24 30.19 10 10 10 6 3 - 0.00  
9 37 31 25 31 26 16 89 76 59 30.54 30.35 30.20 10 9 5 14 7 - 0.00  
10 37 28 18 20 17 14 88 67 48 30.64 30.57 30.52 10 10 10 7 3 - 0.00  
11 45 34 23 29 23 19 85 67 53 30.53 30.47 30.40 10 10 10 8 4 - 0.00  
12 48 38 27 33 26 21 78 62 42 30.44 30.39 30.35 10 10 10 7 3 - 0.00  
13 46 44 41 45 42 36 100 90 76 30.44 30.36 30.22 10 7 3 9 3 - 0.38 Rain
14 60 52 45 56 50 44 97 88 72 30.19 29.99 29.82 10 8 4 14 7 24 0.49 Rain , Thunderstorm
15 61 48 35 56 42 25 90 76 65 30.37 30.06 29.81 10 10 6 23 12 30 0.02 Rain
16 41 34 27 26 25 24 89 70 53 30.47 30.40 30.35 10 10 10 10 7 - 0.00  
17 46 36 25 30 26 22 92 75 51 30.41 30.34 30.29 10 10 9 12 2 21 0.00  
18 55 42 28 34 30 25 89 61 40 30.31 30.19 30.03 10 10 10 8 3 - 0.00  
19 53 50 46 46 43 35 100 84 53 30.14 30.08 30.01 10 5 2 10 6 17 0.52 Rain
20 46 45 44 46 45 42 100 95 86 30.10 29.88 29.74 10 3 0 12 5 - 0.14 Fog , Rain
21 46 44 42 46 41 36 100 84 71 30.01 29.84 29.69 10 8 0 21 4 28 0.01 Fog , Rain
22 43 40 36 37 35 32 89 83 76 30.32 30.12 30.01 10 9 4 17 4 - 0.00  
23 37 32 28 31 27 24 85 75 62 30.45 30.37 30.31 10 10 9 15 9 - 0.00  
24 46 36 25 28 24 21 88 72 42 30.44 30.38 30.34 10 9 2 7 2 - 0.00  
25 51 39 27 31 27 23 89 65 43 30.40 30.34 30.30 10 10 10 15 5 24 0.00  
26 41 32 23 34 29 20 96 83 60 30.37 30.16 29.91 10 8 4 8 2 - 0.51 Rain
27 44 38 32 34 32 27 100 84 62 30.11 29.85 29.75 10 7 1 21 7 30 0.21 Rain , Snow
28 46 37 28 31 28 24 88 72 52 30.14 30.05 29.91 10 10 9 8 4 - 0.00  
29 61 49 37 41 33 28 74 57 36 29.88 29.77 29.70 10 10 10 13 6 18 0.01 Rain
30 55 50 45 42 37 33 83 60 44 29.92 29.70 29.57 10 10 10 23 11 33 0.02 Rain
31 57 44 30 38 34 29 92 64 45 30.04 29.90 29.74 10 10 10 17 7 28 0.00