Weather History for St. Louis, MO

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Month of February, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 76 °F 46 °F 20 °F
Mean Temperature 67 °F 37 °F 14 °F
Min Temperature 58 °F 28 °F 4 °F
Degree Days  
Heating Degree Days (base 65) 51 28 0 788
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 1 0 36
Dew Point  
Dew Point 60 °F 25 °F -3 °F
Precipitation  
Precipitation 0.89 in 0.15 in 0.00 in 3.36 in
Snowdepth 5.0 in 1.3 in 0.0 in -
Wind  
Wind 52 mph 10 mph 0 mph
Gust Wind 67 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.69 in 30.08 in 29.45 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 16, 2011 Rise Set
Actual Time 6:51 AM CST 5:40 PM CST
Civil Twilight 6:24 AM CST 6:07 PM CST
Nautical Twilight 5:53 AM CST 6:38 PM CST
Astronomical Twilight 5:22 AM CST 7:09 PM CST
Moon 4:03 PM CST (2/16) 5:26 AM CST (2/16)
Length of Visible Light 11h 42m
Length of Day
10h 48m
Waxing Gibbous, 96% of the Moon is Illuminated
Feb 16
Waxing Gibbous
Feb 18
Full
Feb 24
Last Quarter
Mar 4
New
Mar 12
First Quarter

Weather History Calendar

Precipitation Actual month total 3.36 Normal Month Total: 2.28
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
31 | 20 0.89
Average:
40 | 23 0.07
Snow
Actual:
21 | 11 T
Average:
40 | 23 0.07
Scattered Clouds
Actual:
23 | 4 0.00
Average:
41 | 23 0.07
Snow
Actual:
30 | 10 T
Average:
41 | 24 0.07
Snow
Actual:
38 | 25 0.20
Average:
41 | 24 0.07
Overcast
Actual:
41 | 32 T
Average:
41 | 24 0.07
Snow
Actual:
32 | 24 T
Average:
42 | 24 0.07
Snow
Actual:
24 | 9 T
Average:
42 | 25 0.07
Partly Cloudy
Actual:
20 | 11 0.00
Average:
42 | 25 0.07
Partly Cloudy
Actual:
32 | 8 0.00
Average:
43 | 25 0.08
Partly Cloudy
Actual:
43 | 19 0.00
Average:
43 | 25 0.08
Scattered Clouds
Actual:
51 | 30 0.00
Average:
43 | 26 0.08
Scattered Clouds
Actual:
65 | 40 0.00
Average:
44 | 26 0.08
Partly Cloudy
Actual:
50 | 33 0.00
Average:
44 | 26 0.08
Partly Cloudy
Actual:
54 | 33 0.00
Average:
44 | 26 0.08
Partly Cloudy
Actual:
74 | 38 0.00
Average:
45 | 27 0.08
Partly Cloudy
Actual:
76 | 58 0.00
Average:
45 | 27 0.08
Scattered Clouds
Actual:
64 | 39 0.00
Average:
45 | 27 0.08
Rain
Actual:
54 | 37 0.01
Average:
46 | 28 0.09
Mostly Cloudy
Actual:
74 | 47 0.00
Average:
46 | 28 0.09
Rain
Actual:
64 | 31 0.43
Average:
46 | 28 0.09
Partly Cloudy
Actual:
37 | 26 0.00
Average:
47 | 29 0.09
Rain
Actual:
44 | 28 0.08
Average:
47 | 29 0.09
Snow
Actual:
44 | 33 0.80
Average:
48 | 29 0.09
Thunderstorm
Actual:
34 | 31 0.40
Average:
48 | 30 0.09
Overcast
Actual:
44 | 32 T
Average:
48 | 30 0.10
Thunderstorm
Actual:
65 | 35 0.39
Average:
49 | 30 0.10
Thunderstorm
Actual:
46 | 31 0.16
Average:
49 | 31 0.10
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 31 26 20 30 21 17 92 87 81 30.10 29.85 29.53 7 2 0 25 14 32 0.89 Fog , Rain , Snow
2 21 16 11 18 12 5 84 76 67 30.65 30.33 29.83 10 6 2 10 14 13 T Snow
3 23 14 4 10 4 -3 83 65 47 30.69 30.60 30.47 10 10 10 10 3 12 0.00  
4 30 20 10 21 11 6 84 63 42 30.47 30.22 29.90 10 10 9 8 2 12 T Snow
5 38 32 25 28 23 21 88 76 64 29.88 29.77 29.72 10 5 0 14 7 18 0.20 Fog , Snow
6 41 37 32 34 29 25 85 75 65 30.08 29.92 29.81 10 8 2 16 9 20 T  
7 32 28 24 26 21 16 85 74 63 30.25 30.12 30.05 10 9 6 21 12 24 T Snow
8 24 17 9 16 5 -1 73 66 58 30.56 30.45 30.22 10 10 9 18 9 23 T Snow
9 20 16 11 5 2 0 67 56 45 30.54 30.42 30.35 10 10 10 12 6 15 0.00  
10 32 20 8 6 1 -1 69 49 29 30.38 30.27 30.16 10 10 10 18 9 24 0.00  
11 43 31 19 22 11 -1 52 44 35 30.17 30.13 30.07 10 10 10 18 10 22 0.00  
12 51 41 30 29 25 22 72 55 38 30.30 30.19 30.07 10 10 10 16 10 20 0.00  
13 65 53 40 32 27 25 54 39 24 30.06 29.93 29.81 10 10 10 21 12 26 0.00  
14 50 42 33 34 31 28 76 61 46 30.36 30.20 29.95 10 10 10 22 9 26 0.00  
15 54 44 33 36 32 29 82 64 46 30.34 30.20 30.04 10 10 9 23 12 29 0.00  
16 74 56 38 52 45 33 85 65 44 30.05 29.95 29.84 10 10 10 24 5 29 0.00  
17 76 67 58 54 52 50 77 60 43 29.88 29.75 29.65 10 10 10 29 15 37 0.00  
18 64 52 39 50 30 17 72 45 17 30.35 30.19 29.92 10 10 10 17 7 - 0.00  
19 54 46 37 30 24 18 64 45 26 30.41 30.31 30.15 10 10 9 18 10 22 0.01 Rain
20 74 61 47 53 40 24 67 53 39 30.12 29.81 29.61 10 10 10 28 16 36 0.00  
21 64 48 31 54 42 22 93 79 64 30.05 29.73 29.57 10 7 2 25 12 31 0.43 Rain
22 37 32 26 22 20 17 75 66 56 30.30 30.22 30.06 10 10 10 18 8 24 0.00  
23 44 36 28 35 29 21 76 67 57 30.26 30.11 29.97 10 9 7 22 11 28 0.08 Rain
24 44 39 33 36 34 30 92 81 70 30.08 29.87 29.65 8 4 1 26 10 36 0.80 Rain , Snow
25 34 32 31 32 29 26 100 86 72 30.25 30.11 29.79 10 6 1 21 9 27 0.40 Snow , Thunderstorm
26 44 38 32 37 32 28 92 81 70 30.18 30.00 29.84 9 7 4 15 7 17 T  
27 65 50 35 60 46 33 92 82 71 29.87 29.68 29.45 10 7 1 52 9 67 0.39 Rain , Hail , Thunderstorm
28 46 39 31 43 33 26 92 75 57 30.35 29.99 29.58 10 8 7 24 10 31 0.16 Rain , Thunderstorm