Weather History for St. Charles, MO

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 86 °F 73 °F
Mean Temperature 86 °F 76 °F 68 °F
Min Temperature 75 °F 67 °F 55 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 20 11 3 352
Growing Degree Days (base 50) 36 26 18 817
Dew Point  
Dew Point 81 °F 68 °F 51 °F
Precipitation  
Precipitation 3.70 in 0.24 in 0.00 in 7.51 in
Snowdepth - - - -
Wind  
Wind 25 mph 4 mph 0 mph
Gust Wind 44 mph 28 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.17 in 29.96 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 25, 2014 Rise Set
Actual Time 6:24 AM CDT 7:42 PM CDT
Civil Twilight 5:56 AM CDT 8:10 PM CDT
Nautical Twilight 5:23 AM CDT 8:43 PM CDT
Astronomical Twilight 4:48 AM CDT 9:18 PM CDT
Moon 6:29 AM CDT (8/25) 7:33 PM CDT (8/25)
Length of Visible Light 14h 13m
Length of Day
13h 18m
New Moon, 0% of the Moon is Illuminated
Aug 25
New Moon
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
New

Weather History Calendar

Precipitation Actual month total 7.51 Average Month Total: 3.01
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
82 | 61 0.00
Average:
- | - 0.09
Fog
Actual:
84 | 57 0.01
Average:
- | - 0.10
Fog
Actual:
86 | 57 0.00
Average:
- | - 0.18
Scattered Clouds
Actual:
90 | 63 0.00
Average:
- | - 0.06
Thunderstorm
Actual:
87 | 69 0.34
Average:
- | - 0.10
Thunderstorm
Actual:
86 | 66 0.03
Average:
- | - 0.05
Thunderstorm
Actual:
73 | 69 3.70
Average:
- | - 0.02
Overcast
Actual:
79 | 71 0.42
Average:
- | - 0.12
Mostly Cloudy
Actual:
78 | 69 0.00
Average:
- | - 0.08
Partly Cloudy
Actual:
80 | 70 0.00
Average:
- | - 0.19
Partly Cloudy
Actual:
84 | 68 0.00
Average:
- | - 0.07
Clear
Actual:
80 | 62 0.00
Average:
- | - 0.09
Clear
Actual:
81 | 55 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
84 | 55 0.00
Average:
- | - 0.10
Fog
Actual:
82 | 62 0.08
Average:
- | - 0.17
Thunderstorm
Actual:
75 | 69 1.29
Average:
- | - 0.08
Mostly Cloudy
Actual:
79 | 71 0.12
Average:
- | - 0.08
Fog
Actual:
86 | 69 0.00
Average:
- | - 0.07
Thunderstorm
Actual:
87 | 66 0.22
Average:
- | - 0.07
Thunderstorm
Actual:
86 | 68 0.01
Average:
- | - 0.05
Fog
Actual:
93 | 66 0.00
Average:
- | - 0.12
Clear
Actual:
93 | 72 0.00
Average:
- | - 0.07
Fog
Actual:
96 | 75 0.00
Average:
- | - 0.10
Clear
Actual:
95 | 73 0.00
Average:
- | - 0.16
Clear
Actual:
97 | 75 0.00
Average:
- | - 0.09
Thunderstorm
Actual:
95 | 73 0.00
Average:
- | - 0.14
Thunderstorm
Actual:
91 | 72 0.25
Average:
- | - 0.20
Thunderstorm
Actual:
91 | 70 1.01
Average:
- | - 0.17
Scattered Clouds
Actual:
90 | 72 0.03
Average:
- | - 0.11
Scattered Clouds
Actual:
86 | 71 0.00
Average:
- | - 0.05
Partly Cloudy
Actual:
91 | 69 0.00
Average:
- | - 0.02
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 82 70 61 68 64 59 97 83 60 30.08 30.06 30.04 10 8 0 8 1 - 0.00 Fog , Thunderstorm
2 84 70 57 67 60 55 100 85 46 30.15 30.11 30.08 10 5 0 7 2 - 0.01 Fog
3 86 72 57 66 60 57 100 77 38 30.17 30.12 30.04 10 6 0 6 1 - 0.00 Fog
4 90 76 63 67 63 61 94 70 43 30.12 30.06 29.99 10 7 2 8 2 - 0.00  
5 87 78 69 72 69 63 97 81 61 30.03 30.00 29.98 10 8 2 8 3 - 0.34 Thunderstorm
6 86 75 66 70 67 65 96 79 53 30.07 30.01 29.95 10 7 2 12 4 - 0.03 Thunderstorm
7 73 71 69 72 70 68 100 94 90 29.99 29.91 29.83 10 4 1 17 11 24 3.70 Thunderstorm
8 79 75 71 73 71 69 97 92 82 29.96 29.91 29.87 10 5 1 12 6 - 0.42  
9 78 74 69 71 69 68 100 90 74 30.00 29.97 29.94 10 5 2 8 5 - 0.00  
10 80 75 70 70 69 68 97 86 69 30.01 29.98 29.91 10 6 2 8 2 - 0.00  
11 84 76 68 69 67 63 100 80 53 29.95 29.91 29.87 10 7 1 12 6 - 0.00  
12 80 72 62 62 59 55 93 70 43 30.03 29.97 29.92 10 10 10 16 8 21 0.00  
13 81 68 55 63 57 51 96 67 36 30.11 30.06 30.03 10 10 10 9 3 - 0.00  
14 84 68 55 69 59 55 100 86 47 30.10 30.06 29.99 10 6 1 7 1 - 0.00  
15 82 72 62 73 66 60 100 86 66 30.04 30.00 29.94 10 7 0 10 3 - 0.08 Fog
16 75 72 69 72 70 66 100 93 71 29.95 29.89 29.80 10 5 1 12 5 - 1.29 Thunderstorm
17 79 74 71 73 71 70 100 94 79 29.91 29.85 29.78 10 4 2 13 5 - 0.12  
18 86 76 69 72 70 68 100 87 57 29.90 29.86 29.79 10 5 0 6 1 - 0.00 Fog
19 87 76 66 75 69 65 100 89 57 29.88 29.80 29.75 10 5 0 17 2 26 0.22 Fog , Thunderstorm
20 86 77 68 74 70 67 100 88 67 29.97 29.89 29.81 10 7 0 23 3 32 0.01 Fog , Thunderstorm
21 93 80 66 77 71 67 100 85 52 29.99 29.94 29.88 10 7 0 12 4 - 0.00 Fog
22 93 82 72 79 74 69 91 76 54 29.99 29.93 29.88 10 10 7 8 3 - 0.00  
23 96 85 75 81 75 73 97 81 52 29.94 29.90 29.85 10 7 0 9 2 - 0.00 Fog
24 95 83 73 79 75 71 97 79 52 29.95 29.91 29.88 10 9 6 10 6 - 0.00  
25 97 86 75 79 75 68 100 80 40 30.01 29.97 29.94 10 6 1 8 4 - 0.00  
26 95 83 73 76 73 66 97 79 51 30.12 30.04 29.99 10 7 0 23 4 30 0.00 Fog , Thunderstorm
27 91 82 72 75 70 64 93 78 53 30.12 30.06 30.01 10 9 4 14 6 33 0.25 Thunderstorm
28 91 80 70 75 71 68 100 85 59 30.04 29.99 29.92 10 6 0 25 5 44 1.01 Fog , Thunderstorm
29 90 81 72 73 70 65 97 81 43 29.96 29.90 29.81 10 6 2 13 5 - 0.03  
30 86 78 71 73 71 68 93 78 63 29.95 29.90 29.86 10 10 10 14 7 - 0.00  
31 91 80 69 72 70 64 97 82 41 29.96 29.91 29.84 10 8 1 9 4 - 0.00