Weather History for St. Louis, MO

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 76 °F 45 °F
Mean Temperature 82 °F 67 °F 43 °F
Min Temperature 72 °F 58 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 22 3 0 102
Cooling Degree Days (base 65) 17 6 0 177
Growing Degree Days (base 50) 32 17 0 539
Dew Point  
Dew Point 72 °F 54 °F 25 °F
Precipitation  
Precipitation 1.99 in 0.29 in 0.00 in 7.13 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 38 mph 9 mph 0 mph
Gust Wind 53 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 29.96 in 29.65 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 12, 2013 Rise Set
Actual Time 5:51 AM CDT 8:04 PM CDT
Civil Twilight 5:22 AM CDT 8:34 PM CDT
Nautical Twilight 4:45 AM CDT 9:10 PM CDT
Astronomical Twilight 4:06 AM CDT 9:50 PM CDT
Moon 7:47 AM CDT (5/12) 10:31 PM CDT (5/12)
Length of Visible Light 15h 12m
Length of Day
14h 12m
Waxing Crescent, 7% of the Moon is Illuminated
May 12
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Weather History Calendar

Precipitation Actual month total 7.13 Normal Month Total: 4.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
83 | 59 0.00
Average:
72 | 53 0.13
Rain
Actual:
71 | 45 0.37
Average:
73 | 53 0.14
Rain
Actual:
45 | 41 1.99
Average:
73 | 53 0.15
Rain
Actual:
51 | 41 T
Average:
73 | 54 0.15
Rain
Actual:
62 | 47 0.15
Average:
73 | 54 0.14
Rain
Actual:
69 | 54 T
Average:
74 | 54 0.15
Partly Cloudy
Actual:
80 | 59 0.00
Average:
74 | 54 0.14
Rain
Actual:
84 | 57 T
Average:
74 | 55 0.15
Thunderstorm
Actual:
76 | 64 0.18
Average:
74 | 55 0.14
Rain
Actual:
67 | 55 T
Average:
75 | 55 0.14
Partly Cloudy
Actual:
71 | 51 0.00
Average:
75 | 56 0.16
Scattered Clouds
Actual:
63 | 42 0.00
Average:
75 | 56 0.15
Partly Cloudy
Actual:
74 | 43 0.00
Average:
75 | 56 0.15
Scattered Clouds
Actual:
93 | 59 0.00
Average:
76 | 57 0.15
Partly Cloudy
Actual:
92 | 72 0.00
Average:
76 | 57 0.16
Rain
Actual:
83 | 68 T
Average:
76 | 57 0.15
Rain
Actual:
77 | 66 0.27
Average:
77 | 58 0.15
Partly Cloudy
Actual:
82 | 63 0.00
Average:
77 | 58 0.15
Partly Cloudy
Actual:
91 | 71 0.00
Average:
77 | 58 0.15
Thunderstorm
Actual:
83 | 63 1.22
Average:
77 | 58 0.15
Thunderstorm
Actual:
82 | 65 0.01
Average:
78 | 59 0.16
Rain
Actual:
78 | 64 T
Average:
78 | 59 0.16
Rain
Actual:
65 | 55 0.02
Average:
78 | 59 0.15
Scattered Clouds
Actual:
69 | 47 0.00
Average:
78 | 60 0.16
Thunderstorm
Actual:
70 | 53 0.08
Average:
79 | 60 0.16
Rain
Actual:
84 | 57 0.02
Average:
79 | 60 0.16
Thunderstorm
Actual:
84 | 67 0.47
Average:
79 | 61 0.16
Thunderstorm
Actual:
86 | 70 0.05
Average:
80 | 61 0.16
Partly Cloudy
Actual:
88 | 67 0.00
Average:
80 | 61 0.17
Thunderstorm
Actual:
84 | 66 0.56
Average:
80 | 62 0.17
Thunderstorm
Actual:
81 | 66 1.74
Average:
81 | 62 0.16
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 71 59 59 54 48 80 57 33 30.06 30.02 29.94 10 10 10 17 7 24 0.00  
2 71 58 45 59 51 42 86 72 57 30.18 30.12 30.05 10 8 5 20 8 25 0.37 Rain
3 45 43 41 43 40 38 89 86 82 30.11 29.95 29.82 8 5 2 17 9 20 1.99 Rain
4 51 46 41 43 40 37 93 80 66 30.03 29.94 29.86 10 9 4 10 4 13 T Rain
5 62 55 47 55 50 44 89 84 78 30.01 29.96 29.90 10 6 1 13 7 28 0.15 Rain
6 69 62 54 55 52 51 86 70 53 29.99 29.95 29.91 10 10 10 18 7 24 T Rain
7 80 70 59 57 54 50 84 61 37 30.05 29.99 29.97 10 10 10 12 3 18 0.00  
8 84 71 57 58 52 47 80 55 30 30.04 29.99 29.96 10 10 7 21 3 24 T Rain
9 76 70 64 63 59 56 81 67 53 29.96 29.90 29.83 10 9 2 23 7 29 0.18 Rain , Thunderstorm
10 67 61 55 59 55 48 84 79 73 30.01 29.91 29.83 10 10 5 17 9 22 T Rain
11 71 61 51 51 43 29 83 57 30 30.16 30.04 29.99 10 10 9 25 11 32 0.00  
12 63 53 42 35 30 25 67 47 27 30.24 30.19 30.16 10 10 10 18 7 23 0.00  
13 74 59 43 43 35 31 76 48 20 30.24 30.16 30.02 10 10 10 16 5 22 0.00  
14 93 76 59 54 49 44 67 45 23 29.99 29.88 29.78 10 10 10 24 12 32 0.00  
15 92 82 72 63 56 48 58 45 32 29.91 29.85 29.79 10 10 10 22 13 31 0.00  
16 83 76 68 65 61 55 79 61 42 29.93 29.88 29.83 10 10 10 18 7 26 T Rain
17 77 72 66 66 62 57 90 77 64 29.95 29.92 29.90 10 9 7 13 7 16 0.27 Rain
18 82 73 63 64 63 61 93 74 54 30.02 29.95 29.86 10 7 2 17 7 38 0.00  
19 91 81 71 72 66 61 79 61 42 29.89 29.80 29.68 10 9 7 25 13 31 0.00  
20 83 73 63 68 64 57 87 71 54 29.90 29.82 29.67 10 8 1 38 13 48 1.22 Rain , Thunderstorm
21 82 74 65 64 62 58 93 72 51 29.80 29.75 29.69 10 10 6 21 10 24 0.01 Rain , Thunderstorm
22 78 71 64 62 57 52 87 67 46 29.86 29.74 29.65 10 10 10 25 12 32 T Rain
23 65 60 55 59 54 50 90 78 65 30.23 30.05 29.87 10 9 2 18 11 24 0.02 Rain
24 69 58 47 49 40 33 86 59 31 30.41 30.33 30.24 10 10 9 14 7 18 0.00  
25 70 62 53 55 49 43 72 59 45 30.34 30.25 30.14 10 10 7 17 9 0 0.08 Rain , Thunderstorm
26 84 71 57 66 57 48 72 62 51 30.19 30.09 29.98 10 10 7 17 10 23 0.02 Rain
27 84 76 67 67 63 59 81 70 58 30.03 29.91 29.76 10 9 2 32 10 37 0.47 Rain , Thunderstorm
28 86 78 70 70 65 61 90 71 51 29.87 29.84 29.80 10 10 7 25 12 31 0.05 Rain , Thunderstorm
29 88 78 67 65 62 59 81 62 43 29.93 29.88 29.80 10 10 10 23 11 30 0.00  
30 84 75 66 70 66 61 74 66 58 29.91 29.85 29.78 10 9 1 33 15 53 0.56 Rain , Thunderstorm
31 81 74 66 70 66 62 87 78 69 29.89 29.81 29.72 10 8 0 20 11 35 1.74 Rain , Thunderstorm