Weather History for St. Louis, MO

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Week of December 15, 2013 through December 21, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 48 °F 34 °F
Mean Temperature 54 °F 39 °F 29 °F
Min Temperature 40 °F 29 °F 22 °F
Degree Days  
Heating Degree Days (base 65) 36 26 11 185
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 1 0 6
Dew Point  
Dew Point 56 °F 30 °F 16 °F
Precipitation  
Precipitation 0.90 in 0.13 in 0.00 in 0.93 in
Snowdepth 4.0 in 1.9 in 0.0 in -
Wind  
Wind 25 mph 8 mph 0 mph
Gust Wind 31 mph 23 mph 20 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.00 in 29.63 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 20, 2013 Rise Set
Actual Time 7:15 AM CST 4:42 PM CST
Civil Twilight 6:45 AM CST 5:12 PM CST
Nautical Twilight 6:12 AM CST 5:46 PM CST
Astronomical Twilight 5:39 AM CST 6:18 PM CST
Moon 8:01 PM CST (12/20) 9:11 AM CST (12/20)
Length of Visible Light 10h 27m
Length of Day
9h 27m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 20
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Daily Weather History & Observations

2013 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  
15 37 30 22 27 21 16 85 72 59 30.24 30.16 30.07 10 7 5 21 8 25 0.00  
16 34 29 24 27 24 21 88 79 69 30.18 30.08 30.02 8 4 2 10 4 15 0.00  
17 41 33 25 28 24 18 85 70 55 30.31 30.23 30.14 10 6 3 16 8 22 0.00  
18 52 38 23 34 23 16 74 54 34 30.30 30.13 29.95 10 10 10 15 7 20 0.00  
19 61 51 40 48 42 34 76 67 57 29.95 29.88 29.78 10 10 10 22 10 26 0.00  
20 71 54 37 56 42 32 85 73 61 29.88 29.80 29.69 10 8 4 25 10 31 0.03 Rain
21 37 35 33 34 31 30 89 86 82 29.86 29.75 29.63 10 5 2 16 8 22 0.90 Rain