Weather History for KSTL - September, 2012

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 79 °F 68 °F
Mean Temperature 83 °F 70 °F 56 °F
Min Temperature 74 °F 60 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 9 1 0 31
Cooling Degree Days (base 65) 18 6 0 171
Growing Degree Days (base 50) 32 19 6 584
Dew Point  
Dew Point 74 °F 56 °F 29 °F
Precipitation  
Precipitation 0.97 in 0.11 in 0.00 in 3.03 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 6 mph 0 mph
Gust Wind 41 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.01 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 30, 2012 Rise Set
Actual Time 6:56 AM CDT 6:45 PM CDT
Civil Twilight 6:30 AM CDT 7:11 PM CDT
Nautical Twilight 5:59 AM CDT 7:42 PM CDT
Astronomical Twilight 5:28 AM CDT 8:13 PM CDT
Moon 6:50 PM CDT (9/30) 7:26 AM CDT (9/30)
Length of Visible Light 12h 41m
Length of Day
11h 48m
Full, 100% of the Moon is Illuminated
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Daily Weather History & Observations

2012 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  
1 82 78 74 73 72 70 94 82 69 29.88 29.82 29.74 10 8 1 20 9 25 0.57 Rain
2 84 79 74 74 72 71 93 79 65 29.85 29.80 29.74 10 7 1 21 9 25 0.11 Rain
3 88 81 74 72 71 69 87 71 55 29.92 29.86 29.81 10 9 6 14 6 17 T  
4 92 83 74 71 68 63 87 63 38 29.90 29.86 29.81 10 10 9 9 2 12 0.01 Rain
5 86 78 69 72 69 64 87 75 62 29.92 29.83 29.78 10 9 6 28 6 38 0.13 Rain , Thunderstorm
6 92 80 68 72 68 61 87 70 52 29.94 29.89 29.86 10 9 6 28 2 41 0.00  
7 93 79 64 70 65 60 84 65 46 29.89 29.79 29.62 10 8 2 30 8 38 0.57 Rain , Thunderstorm
8 74 67 59 58 52 48 84 63 41 30.03 29.97 29.89 10 10 10 18 10 24 0.00  
9 75 67 58 52 50 48 77 59 41 30.14 30.06 29.92 10 10 10 17 8 24 0.00  
10 79 68 56 53 51 49 86 61 36 30.24 30.15 30.10 10 10 10 12 5 17 0.00  
11 85 73 60 58 55 53 78 58 37 30.19 30.11 30.06 10 10 10 17 8 24 0.00  
12 86 75 64 58 56 54 73 54 34 30.17 30.12 30.08 10 10 10 18 8 23 0.00  
13 88 75 61 64 57 53 78 56 34 30.29 30.18 30.13 10 10 9 24 7 29 0.00  
14 70 64 58 56 54 51 93 73 53 30.36 30.31 30.26 10 9 4 14 7 17 0.10 Rain
15 69 63 57 52 50 49 72 60 47 30.30 30.24 30.14 10 10 10 15 5 18 0.00  
16 74 69 63 63 58 52 81 71 61 30.13 30.06 29.98 10 9 6 8 4 12 0.00  
17 76 68 60 67 64 57 93 81 69 29.98 29.88 29.78 10 5 2 21 4 25 0.29 Rain , Thunderstorm
18 69 60 50 55 45 38 86 60 34 30.09 29.98 29.86 10 10 9 20 8 25 0.01  
19 77 64 50 49 44 41 80 57 33 30.14 30.05 29.95 10 10 10 18 9 26 0.00  
20 79 68 57 53 45 35 60 41 21 30.00 29.96 29.93 10 10 10 18 7 23 T Rain , Thunderstorm
21 84 71 57 61 49 42 69 49 28 29.99 29.85 29.69 10 10 10 23 10 30 0.00  
22 69 59 49 50 40 29 77 50 22 30.24 30.07 29.90 10 10 10 21 8 26 0.00  
23 68 56 44 41 37 32 77 52 27 30.34 30.28 30.23 10 10 10 15 2 20 0.00  
24 74 60 45 47 41 35 82 55 27 30.26 30.13 29.94 10 10 10 17 8 21 0.00  
25 81 71 61 70 61 46 93 72 51 29.96 29.87 29.81 10 8 1 23 8 29 0.97 Rain , Thunderstorm
26 79 73 66 65 63 62 87 74 60 30.07 29.98 29.91 10 9 2 16 5 23 0.19 Rain , Thunderstorm
27 71 68 64 64 61 58 93 82 70 30.18 30.13 30.06 10 6 0 9 3 12 0.00 Fog
28 72 64 55 54 49 43 80 59 37 30.20 30.14 30.09 10 9 3 12 5 16 0.08 Rain
29 76 64 52 54 49 44 89 62 35 30.15 30.08 29.99 10 10 9 7 2 22 0.00  
30 74 65 55 52 49 44 80 58 35 29.98 29.91 29.84 10 10 10 10 5 14 0.00