Weather History for St. Louis, MO

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 79 °F 55 °F
Mean Temperature 80 °F 70 °F 50 °F
Min Temperature 71 °F 60 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 15 3 0 79
Cooling Degree Days (base 65) 15 7 0 225
Growing Degree Days (base 50) 30 19 0 601
Dew Point  
Dew Point 73 °F 54 °F 27 °F
Precipitation  
Precipitation 1.48 in 0.15 in 0.00 in 3.98 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 32 mph 8 mph 0 mph
Gust Wind 41 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 29.97 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 15, 2014 Rise Set
Actual Time 5:49 AM CDT 8:06 PM CDT
Civil Twilight 5:19 AM CDT 8:36 PM CDT
Nautical Twilight 4:42 AM CDT 9:13 PM CDT
Astronomical Twilight 4:02 AM CDT 9:54 PM CDT
Moon 9:15 PM CDT (5/15) 6:36 AM CDT (5/15)
Length of Visible Light 15h 17m
Length of Day
14h 17m
Full, 99% of the Moon is Illuminated
May 15
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 12
Full

Weather History Calendar

Precipitation Actual month total 3.98 Normal Month Total: 4.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
56 | 43 T
Average:
72 | 53 0.13
Mostly Cloudy
Actual:
63 | 48 0.00
Average:
73 | 53 0.14
Partly Cloudy
Actual:
77 | 57 0.00
Average:
73 | 53 0.15
Scattered Clouds
Actual:
80 | 52 0.00
Average:
73 | 54 0.15
Partly Cloudy
Actual:
88 | 57 0.00
Average:
73 | 54 0.14
Partly Cloudy
Actual:
87 | 58 0.00
Average:
74 | 54 0.15
Partly Cloudy
Actual:
86 | 71 0.00
Average:
74 | 54 0.14
Rain
Actual:
89 | 71 0.02
Average:
74 | 55 0.15
Rain
Actual:
81 | 64 T
Average:
74 | 55 0.14
Thunderstorm
Actual:
84 | 59 0.32
Average:
75 | 55 0.14
Thunderstorm
Actual:
88 | 63 0.17
Average:
75 | 56 0.16
Rain
Actual:
89 | 70 0.17
Average:
75 | 56 0.15
Rain
Actual:
70 | 53 0.15
Average:
75 | 56 0.15
Rain
Actual:
55 | 48 0.53
Average:
76 | 57 0.15
Thunderstorm
Actual:
64 | 47 0.35
Average:
76 | 57 0.16
Partly Cloudy
Actual:
60 | 43 0.00
Average:
76 | 57 0.15
Partly Cloudy
Actual:
65 | 42 0.00
Average:
77 | 58 0.15
Scattered Clouds
Actual:
69 | 48 0.00
Average:
77 | 58 0.15
Partly Cloudy
Actual:
79 | 55 0.00
Average:
77 | 58 0.15
Scattered Clouds
Actual:
89 | 63 0.00
Average:
77 | 58 0.15
Thunderstorm
Actual:
89 | 71 0.13
Average:
78 | 59 0.16
Partly Cloudy
Actual:
80 | 67 0.00
Average:
78 | 59 0.16
Partly Cloudy
Actual:
82 | 65 0.00
Average:
78 | 59 0.15
Rain
Actual:
82 | 60 T
Average:
78 | 60 0.16
Rain
Actual:
79 | 64 1.48
Average:
79 | 60 0.16
Thunderstorm
Actual:
88 | 68 0.52
Average:
79 | 60 0.16
Partly Cloudy
Actual:
87 | 67 0.00
Average:
79 | 61 0.16
Partly Cloudy
Actual:
87 | 67 0.00
Average:
80 | 61 0.16
Partly Cloudy
Actual:
86 | 70 0.00
Average:
80 | 61 0.17
Thunderstorm
Actual:
86 | 70 T
Average:
80 | 62 0.17
Thunderstorm
Actual:
89 | 69 0.14
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

2014 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 56 50 43 44 38 35 80 65 50 29.99 29.93 29.89 10 10 7 21 12 28 T Rain
2 63 56 48 41 39 36 71 55 39 29.98 29.92 29.84 10 10 10 18 10 23 0.00  
3 77 67 57 45 39 35 57 41 25 29.94 29.89 29.81 10 10 10 17 5 23 0.00  
4 80 66 52 53 48 45 72 54 36 29.97 29.90 29.81 10 10 9 23 9 28 0.00  
5 88 73 57 52 49 44 67 48 29 29.84 29.76 29.69 10 10 10 23 8 28 0.00  
6 87 73 58 59 54 48 67 52 37 29.83 29.73 29.66 10 10 10 24 10 31 0.00  
7 86 79 71 63 58 53 61 52 43 29.81 29.76 29.70 10 10 10 24 12 33 0.00  
8 89 80 71 64 61 58 79 60 40 29.90 29.84 29.81 10 10 4 24 14 31 0.02 Rain
9 81 73 64 63 58 51 78 59 39 29.88 29.80 29.75 10 10 10 23 9 30 T Rain
10 84 72 59 64 53 48 72 53 33 29.99 29.90 29.81 10 9 2 32 8 40 0.32 Rain , Thunderstorm
11 88 76 63 67 62 57 87 67 46 29.99 29.91 29.80 10 9 2 23 12 29 0.17 Rain , Thunderstorm
12 89 80 70 68 67 63 90 70 50 29.93 29.87 29.79 10 9 3 28 13 35 0.17 Rain
13 70 62 53 67 56 48 90 84 77 30.21 30.05 29.89 10 8 3 16 9 24 0.15 Rain
14 55 52 48 48 44 41 86 75 64 30.20 30.12 30.02 10 7 2 18 10 23 0.53 Rain
15 64 56 47 47 43 35 86 69 51 30.09 30.05 30.00 10 9 3 23 7 28 0.35 Rain , Thunderstorm
16 60 52 43 40 36 30 76 56 36 30.15 30.08 30.04 10 10 10 24 11 30 0.00  
17 65 54 42 41 35 27 83 55 27 30.22 30.18 30.15 10 10 10 10 3 14 0.00  
18 69 59 48 41 37 35 66 48 30 30.29 30.22 30.15 10 10 10 15 7 22 0.00  
19 79 67 55 59 50 39 61 53 45 30.18 30.04 29.86 10 10 9 26 13 36 0.00  
20 89 76 63 65 61 57 78 61 44 29.95 29.88 29.80 10 10 10 16 11 22 0.00  
21 89 80 71 73 67 62 87 69 50 29.96 29.92 29.86 10 10 5 20 8 26 0.13 Rain , Thunderstorm
22 80 74 67 70 58 51 84 63 42 30.13 30.05 29.96 10 10 10 16 6 22 0.00  
23 82 74 65 52 49 45 58 44 30 30.15 30.11 30.06 10 10 10 12 5 15 0.00  
24 82 71 60 53 51 48 72 53 33 30.15 30.10 30.06 10 10 9 16 7 21 T Rain
25 79 72 64 66 60 53 93 75 57 30.14 30.07 29.99 10 8 2 16 8 20 1.48 Rain
26 88 78 68 68 65 61 79 64 48 30.09 30.03 29.97 10 9 2 32 7 41 0.52 Rain , Thunderstorm
27 87 77 67 67 64 61 87 67 46 30.01 29.96 29.91 10 10 10 13 5 20 0.00  
28 87 77 67 66 63 61 87 68 48 29.99 29.93 29.88 10 10 10 12 5 15 0.00  
29 86 78 70 67 65 61 84 66 47 30.01 29.96 29.91 10 10 9 14 6 22 0.00  
30 86 78 70 70 67 65 84 70 55 30.08 30.03 30.00 10 9 7 18 5 28 T Rain , Thunderstorm
31 89 79 69 70 67 64 90 68 46 30.12 30.05 29.99 10 7 2 26 6 33 0.14 Rain , Thunderstorm