Weather History for Mount Vernon, IL

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 64 °F 48 °F
Mean Temperature 70 °F 54 °F 40 °F
Min Temperature 62 °F 43 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 26 12 0 360
Cooling Degree Days (base 65) 5 0 0 11
Growing Degree Days (base 50) 20 6 0 181
Dew Point  
Dew Point 66 °F 44 °F 19 °F
Precipitation  
Precipitation 0.60 in 0.03 in 0.00 in 0.81 in
Snowdepth - - - -
Wind  
Wind 31 mph 6 mph 0 mph
Gust Wind 44 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.01 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 03, 2012 Rise Set
Actual Time 6:53 AM CDT 6:34 PM CDT
Civil Twilight 6:27 AM CDT 7:00 PM CDT
Nautical Twilight 5:56 AM CDT 7:31 PM CDT
Astronomical Twilight 5:25 AM CDT 8:02 PM CDT
Moon 8:30 PM CDT (10/3) 10:13 AM CDT (10/3)
Length of Visible Light 12h 33m
Length of Day
11h 40m
Waning Gibbous, 88% of the Moon is Illuminated
Oct 3
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Weather History Calendar

Precipitation Actual month total 0.81 Average Month Total: 3.80
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
57 | 55 0.00
Average:
72 | 47 0.10
Overcast
Actual:
55 | 55 0.00
Average:
71 | 47 0.10
Thunderstorm
Actual:
75 | 53 0.00
Average:
71 | 47 0.11
Scattered Clouds
Actual:
78 | 51 0.00
Average:
70 | 47 0.11
Thunderstorm
Actual:
60 | 42 0.00
Average:
70 | 47 0.11
Scattered Clouds
Actual:
51 | 35 0.00
Average:
70 | 47 0.12
Partly Cloudy
Actual:
53 | 37 0.00
Average:
69 | 47 0.12
Clear
Actual:
60 | 32 0.00
Average:
69 | 46 0.12
Scattered Clouds
Actual:
64 | 33 0.00
Average:
68 | 46 0.13
Scattered Clouds
Actual:
57 | 33 0.00
Average:
68 | 45 0.13
Partly Cloudy
Actual:
62 | 30 0.00
Average:
67 | 45 0.13
Partly Cloudy
Actual:
66 | 46 0.00
Average:
67 | 44 0.13
Partly Cloudy
Actual:
75 | 46 0.00
Average:
66 | 43 0.13
Partly Cloudy
Actual:
73 | 55 0.00
Average:
66 | 43 0.13
Clear
Actual:
66 | 42 0.00
Average:
66 | 43 0.13
Clear
Actual:
77 | 39 0.00
Average:
65 | 42 0.13
Thunderstorm
Actual:
75 | 55 0.00
Average:
65 | 42 0.13
Scattered Clouds
Actual:
62 | 46 0.00
Average:
65 | 42 0.13
Overcast
Actual:
55 | 46 0.00
Average:
64 | 42 0.13
Partly Cloudy
Actual:
60 | 42 0.00
Average:
64 | 42 0.13
Partly Cloudy
Actual:
77 | 44 0.00
Average:
64 | 42 0.13
Thunderstorm
Actual:
80 | 60 0.00
Average:
64 | 42 0.13
Thunderstorm
Actual:
75 | 62 0.00
Average:
64 | 42 0.13
Scattered Clouds
Actual:
78 | 55 0.00
Average:
63 | 42 0.13
Partly Cloudy
Actual:
78 | 44 0.21
Average:
63 | 42 0.12
Partly Cloudy
Actual:
48 | 39 0.60
Average:
63 | 42 0.12
Clear
Actual:
51 | 35 0.00
Average:
62 | 42 0.12
Scattered Clouds
Actual:
51 | 37 0.00
Average:
62 | 41 0.12
Clear
Actual:
53 | 35 0.00
Average:
61 | 41 0.12
Clear
Actual:
55 | 33 0.00
Average:
60 | 40 0.12
Clear
Actual:
51 | 28 0.00
Average:
60 | 40 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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 57 56 55 54 50 46 94 80 72 29.85 29.77 29.71 10 10 5 12 6 16 0.00  
2 55 55 55 54 52 50 94 87 82 29.90 29.81 29.72 10 9 1 7 3 - 0.00  
3 75 65 53 57 55 50 94 68 53 30.11 30.01 29.91 10 10 1 15 4 21 0.00 Thunderstorm
4 78 64 51 61 55 50 100 76 47 30.20 30.15 30.11 10 8 0 16 4 23 0.00  
5 60 51 42 52 43 37 87 81 71 30.20 30.16 30.11 10 9 4 12 5 17 0.00 Thunderstorm
6 51 43 35 37 34 30 93 70 47 30.26 30.22 30.18 10 10 9 7 1 16 0.00  
7 53 45 37 37 34 30 93 69 44 30.27 30.23 30.19 10 10 5 8 1 - 0.00  
8 60 46 32 39 35 30 93 72 42 30.26 30.19 30.11 10 10 6 13 2 - 0.00  
9 64 48 33 46 41 32 93 75 49 30.13 30.05 29.96 10 9 3 18 5 22 0.00  
10 57 45 33 46 38 30 93 75 50 30.27 30.18 29.98 10 10 7 12 5 22 0.00  
11 62 46 30 46 36 28 100 69 42 30.29 30.24 30.18 10 10 7 15 3 17 0.00  
12 66 56 46 48 46 43 93 73 49 30.36 30.28 30.20 10 9 2 15 3 21 0.00  
13 75 60 46 66 57 43 94 81 69 30.26 30.10 29.88 10 8 3 21 6 28 0.00  
14 73 65 55 63 58 48 88 74 60 29.94 29.82 29.72 10 10 9 31 16 44 0.00  
15 66 54 42 48 44 39 100 74 43 30.03 29.98 29.93 10 9 2 12 2 - 0.00  
16 77 58 39 55 48 37 93 67 44 29.99 29.84 29.71 10 9 3 20 5 23 0.00  
17 75 65 55 57 53 48 88 69 50 29.72 29.59 29.37 10 10 3 26 12 34 0.00 Thunderstorm
18 62 54 46 52 39 28 88 57 27 29.67 29.63 29.57 10 10 10 25 11 36 0.00  
19 55 52 46 45 41 36 87 67 47 29.80 29.67 29.56 10 10 10 17 9 25 0.00  
20 60 51 42 46 43 39 93 76 55 29.96 29.89 29.80 10 10 10 10 4 - 0.00  
21 77 60 44 63 52 41 93 70 50 30.01 29.98 29.95 10 10 10 14 4 18 0.00  
22 80 70 60 64 55 48 72 60 41 30.03 30.01 29.98 10 10 7 25 9 32 0.00 Thunderstorm
23 75 68 62 64 55 48 88 68 56 30.03 29.99 29.93 10 10 7 18 9 24 0.00 Thunderstorm
24 78 66 55 64 58 52 88 69 54 30.05 30.00 29.95 10 10 10 21 8 26 0.00  
25 78 61 44 63 56 41 93 70 57 30.13 29.94 29.87 10 10 1 22 10 33 0.21  
26 48 44 39 43 35 32 93 71 57 30.30 30.24 30.13 10 10 5 13 7 23 0.60  
27 51 43 35 36 31 28 81 64 50 30.27 30.23 30.18 10 10 10 14 6 22 0.00  
28 51 44 37 34 31 28 75 65 47 30.24 30.21 30.19 10 10 10 13 6 17 0.00  
29 53 44 35 34 29 25 81 56 35 30.28 30.19 30.07 10 10 10 13 5 22 0.00  
30 55 44 33 27 24 19 75 45 25 30.06 29.92 29.84 10 10 4 10 4 21 0.00  
31 51 40 28 30 26 21 86 61 32 29.98 29.93 29.89 10 10 10 12 2 17 0.00