Weather History for St. Louis, MO

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Week of September 14, 2014 through September 20, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 75 °F 67 °F
Mean Temperature 76 °F 66 °F 60 °F
Min Temperature 65 °F 56 °F 47 °F
Degree Days  
Heating Degree Days (base 65) 5 2 0 14
Cooling Degree Days (base 65) 11 3 0 20
Growing Degree Days (base 50) 26 16 10 112
Dew Point  
Dew Point 70 °F 55 °F 42 °F
Precipitation  
Precipitation 0.08 in 0.02 in 0.00 in 0.11 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 18 mph 6 mph 0 mph
Gust Wind 30 mph 21 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.08 in 29.88 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 18, 2014 Rise Set
Actual Time 6:45 AM CDT 7:04 PM CDT
Civil Twilight 6:19 AM CDT 7:31 PM CDT
Nautical Twilight 5:47 AM CDT 8:02 PM CDT
Astronomical Twilight 5:15 AM CDT 8:34 PM CDT
Moon 1:40 AM CDT (9/18) 3:53 PM CDT (9/18)
Length of Visible Light 13h 12m
Length of Day
12h 19m
Waning Crescent, 26% of the Moon is Illuminated
Sep 18
Waning Crescent
Sep 24
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Daily Weather History & Observations

2014 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  
14 73 60 47 48 45 42 86 61 35 30.32 30.26 30.17 10 10 9 9 3 14 0.00  
15 78 68 58 68 60 48 90 75 60 30.17 30.10 30.02 10 8 2 18 8 25 0.03 Rain
16 67 61 54 57 54 51 93 78 63 30.23 30.18 30.09 10 8 4 10 4 13 T Rain
17 67 60 53 58 54 50 93 83 72 30.09 30.00 29.93 10 9 7 13 6 16 0.08 Rain
18 75 68 60 56 55 52 78 62 46 30.09 30.03 29.99 10 10 9 14 7 18 0.00  
19 80 68 56 59 55 52 86 67 48 30.10 30.05 29.99 10 10 7 16 7 30 0.00  
20 87 76 65 70 65 59 87 69 51 30.04 29.95 29.88 10 10 10 17 8 26 0.00