Weather History for St. Louis, MO

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Month of January, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 70 °F 48 °F 23 °F
Mean Temperature 59 °F 38 °F 19 °F
Min Temperature 51 °F 28 °F 13 °F
Degree Days  
Heating Degree Days (base 65) 46 27 6 828
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 1 0 23
Dew Point  
Dew Point 55 °F 25 °F 2 °F
Precipitation  
Precipitation 0.85 in 0.10 in 0.00 in 2.34 in
Snowdepth 2.0 in 0.2 in 0.0 in -
Wind  
Wind 36 mph 10 mph 0 mph
Gust Wind 46 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.57 in 30.06 in 29.43 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 23, 2012 Rise Set
Actual Time 7:14 AM CST 5:12 PM CST
Civil Twilight 6:45 AM CST 5:41 PM CST
Nautical Twilight 6:13 AM CST 6:13 PM CST
Astronomical Twilight 5:41 AM CST 6:44 PM CST
Moon 7:10 AM CST (1/23) 5:59 PM CST (1/23)
Length of Visible Light 10h 55m
Length of Day
9h 57m
Waxing Crescent, 0% of the Moon is Illuminated
Jan 23
Waxing Crescent
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New

Weather History Calendar

Precipitation Actual month total 2.34 Normal Month Total: 2.40
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
56 | 34 T
Average:
40 | 24 0.09
Snow
Actual:
34 | 22 T
Average:
40 | 24 0.09
Scattered Clouds
Actual:
39 | 18 0.00
Average:
40 | 24 0.09
Partly Cloudy
Actual:
52 | 34 0.00
Average:
40 | 24 0.09
Scattered Clouds
Actual:
66 | 36 0.00
Average:
40 | 24 0.08
Scattered Clouds
Actual:
70 | 44 0.00
Average:
40 | 24 0.09
Partly Cloudy
Actual:
53 | 36 0.00
Average:
39 | 24 0.08
Partly Cloudy
Actual:
44 | 29 0.00
Average:
39 | 24 0.08
Scattered Clouds
Actual:
52 | 28 0.00
Average:
39 | 24 0.07
Scattered Clouds
Actual:
58 | 30 0.00
Average:
39 | 24 0.08
Rain
Actual:
56 | 38 0.04
Average:
40 | 23 0.08
Snow
Actual:
38 | 16 0.15
Average:
40 | 23 0.07
Snow
Actual:
23 | 14 T
Average:
40 | 23 0.07
Partly Cloudy
Actual:
35 | 13 0.00
Average:
40 | 23 0.08
Scattered Clouds
Actual:
45 | 21 0.00
Average:
40 | 23 0.07
Partly Cloudy
Actual:
68 | 41 0.00
Average:
40 | 23 0.07
Thunderstorm
Actual:
69 | 25 0.85
Average:
40 | 23 0.08
Partly Cloudy
Actual:
35 | 15 0.00
Average:
40 | 24 0.08
Partly Cloudy
Actual:
35 | 18 0.00
Average:
40 | 24 0.07
Rain
Actual:
29 | 16 T
Average:
40 | 24 0.08
Snow
Actual:
32 | 22 T
Average:
40 | 24 0.07
Rain
Actual:
55 | 29 T
Average:
40 | 24 0.08
Partly Cloudy
Actual:
56 | 31 0.00
Average:
40 | 24 0.07
Partly Cloudy
Actual:
44 | 26 0.00
Average:
40 | 24 0.07
Rain
Actual:
35 | 31 0.77
Average:
40 | 24 0.08
Rain
Actual:
40 | 34 0.34
Average:
41 | 24 0.07
Rain
Actual:
42 | 31 0.12
Average:
41 | 24 0.08
Snow
Actual:
44 | 30 0.07
Average:
41 | 24 0.07
Partly Cloudy
Actual:
48 | 31 0.00
Average:
41 | 24 0.07
Partly Cloudy
Actual:
67 | 33 0.00
Average:
41 | 24 0.07
Rain
Actual:
66 | 51 T
Average:
41 | 25 0.08
 

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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 56 45 34 39 24 11 70 49 28 30.37 30.14 29.70 10 10 8 31 22 44 T Rain
2 34 28 22 16 10 6 58 45 32 30.55 30.43 30.35 10 10 10 31 17 44 T Snow
3 39 29 18 12 7 2 67 44 21 30.57 30.39 30.15 10 10 10 13 7 21 0.00  
4 52 43 34 31 24 12 64 51 38 30.22 30.13 30.06 10 10 10 20 10 26 0.00  
5 66 51 36 30 28 24 64 44 24 30.16 30.02 29.88 10 10 10 20 10 24 0.00  
6 70 57 44 34 30 27 58 40 22 29.92 29.83 29.73 10 10 10 21 10 26 0.00  
7 53 45 36 29 26 21 70 51 32 30.26 30.13 29.93 10 10 10 15 7 20 0.00  
8 44 37 29 32 29 25 78 68 58 30.34 30.30 30.25 10 10 10 9 4 12 0.00  
9 52 40 28 31 27 24 92 64 35 30.30 30.22 30.12 10 9 6 10 4 13 0.00  
10 58 44 30 30 26 23 78 53 27 30.13 30.00 29.75 10 10 10 10 3 13 0.00  
11 56 47 38 40 35 28 89 64 38 29.74 29.62 29.54 10 7 1 25 8 35 0.04 Rain
12 38 27 16 30 14 8 88 77 65 29.96 29.78 29.67 10 4 1 32 20 40 0.15 Snow
13 23 19 14 11 9 7 80 71 61 30.20 30.09 29.91 10 9 7 26 10 36 T Snow
14 35 24 13 22 17 10 81 64 47 30.33 30.17 30.04 10 10 9 13 6 - 0.00  
15 45 33 21 30 24 17 84 67 49 30.39 30.26 30.05 10 10 9 24 12 29 0.00  
16 68 55 41 54 44 30 71 60 49 30.02 29.82 29.66 10 10 10 28 14 36 0.00  
17 69 47 25 55 38 13 86 67 47 30.39 29.86 29.61 10 7 0 32 17 46 0.85 Rain , Hail , Thunderstorm
18 35 25 15 17 12 8 77 58 38 30.41 30.23 30.01 10 10 10 15 7 18 0.00  
19 35 27 18 23 17 8 67 59 51 30.17 30.05 29.94 10 10 10 18 9 21 0.00  
20 29 23 16 25 17 6 85 73 61 30.19 30.01 29.86 10 8 2 17 10 22 T Rain
21 32 27 22 26 21 17 92 81 69 30.26 30.15 30.02 10 8 5 22 11 26 T Snow
22 55 42 29 50 37 25 96 91 85 30.04 29.77 29.43 10 2 0 22 14 29 T Fog , Rain
23 56 44 31 48 31 24 78 66 53 30.11 29.79 29.44 10 10 8 36 16 46 0.00  
24 44 35 26 27 24 21 81 65 49 30.35 30.28 30.12 10 10 9 10 5 13 0.00  
25 35 33 31 34 30 27 100 88 75 30.33 30.18 30.00 9 5 2 17 8 20 0.77 Rain
26 40 37 34 37 34 32 100 93 85 29.96 29.85 29.74 10 6 2 13 6 20 0.34 Rain
27 42 37 31 36 31 28 92 76 60 30.07 29.98 29.81 10 9 4 13 5 28 0.12 Rain
28 44 37 30 34 24 13 92 60 27 30.35 30.22 30.01 10 9 2 23 13 26 0.07 Rain , Snow
29 48 40 31 22 19 17 61 45 29 30.29 30.25 30.20 10 10 10 22 9 31 0.00  
30 67 50 33 37 29 23 64 44 24 30.20 30.06 29.98 10 10 10 22 12 29 0.00  
31 66 59 51 52 41 31 67 54 41 30.01 29.96 29.90 10 10 10 26 13 33 T Rain