Weather History for St. Charles, MO

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Week of September 15, 2013 through September 21, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 71 °F
Mean Temperature 80 °F 68 °F 62 °F
Min Temperature 69 °F 59 °F 52 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 3
Cooling Degree Days (base 65) 14 4 0 26
Growing Degree Days (base 50) 30 18 12 129
Dew Point  
Dew Point 71 °F 60 °F 47 °F
Precipitation  
Precipitation 1.06 in 0.18 in 0.00 in 1.29 in
Snowdepth - - - -
Wind  
Wind 16 mph 6 mph 0 mph
Gust Wind 22 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 30.03 in 29.82 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 18, 2013 Rise Set
Actual Time 6:46 AM CDT 7:04 PM CDT
Civil Twilight 6:19 AM CDT 7:31 PM CDT
Nautical Twilight 5:48 AM CDT 8:02 PM CDT
Astronomical Twilight 5:16 AM CDT 8:34 PM CDT
Moon 6:28 PM CDT (9/18) 5:48 AM CDT (9/18)
Length of Visible Light 13h 12m
Length of Day
12h 18m
Waxing Gibbous, 99% of the Moon is Illuminated
Sep 18
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

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  
15 82 66 52 65 55 48 94 70 40 30.10 30.04 29.98 10 10 8 10 4 16 0.02 Rain
16 73 65 57 63 56 53 94 77 48 30.28 30.21 30.12 10 10 7 16 9 21 0.00  
17 71 64 57 65 58 54 93 82 68 30.24 30.17 30.06 10 9 5 9 5 - 0.03 Rain
18 88 76 64 70 66 62 97 81 53 30.07 30.02 29.94 10 6 2 12 4 - 0.18 Rain
19 91 80 69 71 68 66 94 72 45 29.98 29.92 29.82 10 8 2 15 6 22 0.00  
20 72 66 59 68 65 52 96 88 73 29.93 29.90 29.86 10 8 1 13 5 20 1.06 Rain
21 72 62 53 54 51 47 100 75 41 29.97 29.93 29.90 10 9 1 12 6 21 0.00