History for St. Louis, MO

Month of May, 2012 View Current Conditions
Month of May, 2012
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  Max Avg Min Sum
Temperature
Max Temperature 95 °F 84 °F 68 °F
Mean Temperature 85 °F 73 °F 61 °F
Min Temperature 76 °F 63 °F 52 °F
Degree Days
Heating Degree Days (base 65) 4 0 0 8
Cooling Degree Days (base 65) 20 9 0 269
Growing Degree Days (base 50) 35 23 10 707
Dew Point
Dew Point 71 °F 54 °F 31 °F
Precipitation
Precipitation 0.82 in 0.06 in 0.00 in 1.70 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind
Wind 30 mph 8 mph 0 mph
Gust Wind 43 mph 22 mph 16 mph
Sea Level Pressure
Sea Level Pressure 30.20 in 29.94 in 29.57 in
Monthly Graph
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Date:
Astronomy
May. 25, 2013 Rise Set
Actual Time 6:03 AM CDT 7:54 PM CDT
Civil Twilight 5:34 AM CDT 8:23 PM CDT
Nautical Twilight 4:59 AM CDT 8:58 PM CDT
Astronomical Twilight 4:22 AM CDT 9:35 PM CDT
Moon 3:00 PM CDT (5/1) 2:57 AM CDT (5/1)
Length Of Visible Light 14h 48m
Length of Day
13h 50m
Waxing Gibbous, 74% of the Moon is Illuminated
May 1
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter
Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 1.70 Normal month total 4.72
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Thunderstorm
Actual: 85 | 60
Precip: 0.57
Average: 72 | 53
Precip: 0.13
2 Scattered Clouds
Actual: 90 | 72
Precip: 0.00
Average: 73 | 53
Precip: 0.14
3 Partly Cloudy
Actual: 87 | 70
Precip: 0.00
Average: 73 | 53
Precip: 0.15
4 Thunderstorm
Actual: 86 | 67
Precip: 0.10
Average: 73 | 54
Precip: 0.15
5 Thunderstorm
Actual: 92 | 71
Precip: 0.00
Average: 73 | 54
Precip: 0.14
6 Thunderstorm
Actual: 92 | 72
Precip: 0.01
Average: 74 | 54
Precip: 0.15
7 Thunderstorm
Actual: 76 | 62
Precip: 0.82
Average: 74 | 54
Precip: 0.14
8 Partly Cloudy
Actual: 75 | 56
Precip: 0.00
Average: 74 | 55
Precip: 0.15
9 Scattered Clouds
Actual: 71 | 53
Precip: 0.00
Average: 74 | 55
Precip: 0.14
10 Scattered Clouds
Actual: 76 | 52
Precip: 0.00
Average: 75 | 55
Precip: 0.14
11 Partly Cloudy
Actual: 76 | 54
Precip: 0.00
Average: 75 | 56
Precip: 0.16
12 Partly Cloudy
Actual: 80 | 59
Precip: 0.00
Average: 75 | 56
Precip: 0.15
13 Scattered Clouds
Actual: 77 | 56
Precip: 0.00
Average: 75 | 56
Precip: 0.15
14 Scattered Clouds
Actual: 80 | 54
Precip: 0.00
Average: 76 | 57
Precip: 0.15
15 Scattered Clouds
Actual: 83 | 55
Precip: 0.00
Average: 76 | 57
Precip: 0.16
16 Scattered Clouds
Actual: 78 | 61
Precip: 0.00
Average: 76 | 57
Precip: 0.15
17 Scattered Clouds
Actual: 80 | 53
Precip: 0.00
Average: 77 | 58
Precip: 0.15
18 Scattered Clouds
Actual: 87 | 56
Precip: 0.00
Average: 77 | 58
Precip: 0.15
19 Partly Cloudy
Actual: 90 | 66
Precip: 0.00
Average: 77 | 58
Precip: 0.15
20 Thunderstorm
Actual: 91 | 69
Precip: 0.10
Average: 77 | 58
Precip: 0.15
21 Rain
Actual: 73 | 58
Precip: 0.00
Average: 78 | 59
Precip: 0.16
22 Scattered Clouds
Actual: 78 | 54
Precip: 0.00
Average: 78 | 59
Precip: 0.16
23 Partly Cloudy
Actual: 85 | 56
Precip: 0.00
Average: 78 | 59
Precip: 0.15
24 Partly Cloudy
Actual: 92 | 66
Precip: 0.00
Average: 78 | 60
Precip: 0.16
25 Partly Cloudy
Actual: 92 | 74
Precip: 0.00
Average: 79 | 60
Precip: 0.16
26 Partly Cloudy
Actual: 95 | 75
Precip: 0.00
Average: 79 | 60
Precip: 0.16
27 Partly Cloudy
Actual: 93 | 76
Precip: 0.00
Average: 79 | 61
Precip: 0.16
28 Partly Cloudy
Actual: 94 | 76
Precip: T
Average: 80 | 61
Precip: 0.16
29 Thunderstorm
Actual: 89 | 71
Precip: T
Average: 80 | 61
Precip: 0.17
30 Partly Cloudy
Actual: 83 | 66
Precip: T
Average: 80 | 62
Precip: 0.17
31 Rain
Actual: 68 | 53
Precip: 0.10
Average: 81 | 62
Precip: 0.16
 
Daily Observations
2012 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 85 73 60 64 61 58 93 70 47 29.96 29.87 29.78 10 7 0 21 10 29 0.57 Rain , Thunderstorm
2 90 81 72 65 62 59 68 53 38 29.91 29.85 29.78 10 10 10 24 12 31 0.00  
3 87 79 70 67 65 63 78 65 51 29.99 29.91 29.86 10 10 10 22 9 29 0.00  
4 86 77 67 71 65 61 84 71 58 30.04 29.91 29.82 10 10 5 23 6 33 0.10 Rain , Thunderstorm
5 92 82 71 71 68 65 90 67 44 29.90 29.85 29.82 10 10 7 10 5 15 0.00 Thunderstorm
6 92 82 72 70 67 64 87 66 44 29.88 29.83 29.77 10 10 6 12 7 21 0.01 Rain , Thunderstorm
7 76 69 62 66 63 59 93 79 64 29.92 29.87 29.79 10 8 3 18 8 24 0.82 Rain , Thunderstorm
8 75 66 56 57 47 41 84 58 31 30.00 29.96 29.91 10 10 10 18 8 25 0.00  
9 71 62 53 48 46 45 77 59 40 30.01 29.97 29.93 10 10 10 17 7 22 0.00  
10 76 64 52 50 46 42 83 59 35 30.02 29.98 29.95 10 10 10 12 4 14 0.00  
11 76 65 54 50 45 41 67 51 35 30.13 30.09 30.01 10 10 10 21 6 40 0.00  
12 80 70 59 53 48 43 72 51 29 30.20 30.15 30.12 10 10 10 9 3 - 0.00  
13 77 67 56 53 48 41 80 56 31 30.19 30.13 30.07 10 10 10 15 7 22 0.00  
14 80 67 54 47 41 34 72 46 19 30.13 30.07 30.02 10 10 10 13 5 18 0.00  
15 83 69 55 49 46 41 72 48 23 30.06 30.00 29.95 10 10 10 16 6 21 0.00  
16 78 70 61 54 47 38 63 44 25 30.06 29.99 29.94 10 10 10 15 8 22 0.00  
17 80 67 53 44 39 31 50 38 25 30.09 30.04 29.98 10 10 10 14 6 20 0.00  
18 87 72 56 58 50 44 67 46 24 30.02 29.96 29.89 10 10 9 14 8 20 0.00  
19 90 78 66 61 59 56 73 54 34 30.03 29.96 29.92 10 10 10 17 9 25 0.00  
20 91 80 69 67 62 59 69 55 40 30.07 30.02 29.98 10 9 7 15 9 17 0.10 Rain , Thunderstorm
21 73 66 58 63 51 46 73 57 41 30.16 30.11 30.07 10 10 9 18 9 24 0.00 Rain
22 78 66 54 51 47 43 80 56 31 30.09 30.01 29.89 10 10 9 9 3 16 0.00  
23 85 71 56 50 48 44 67 48 28 29.89 29.80 29.70 10 10 10 20 10 23 0.00  
24 92 79 66 60 53 47 53 40 26 29.74 29.66 29.57 10 10 10 30 15 43 0.00  
25 92 83 74 68 65 60 64 54 44 29.96 29.89 29.75 10 10 9 17 9 22 0.00  
26 95 85 75 69 66 61 69 54 38 30.02 29.97 29.92 10 10 10 17 9 22 0.00  
27 93 85 76 64 61 59 60 46 32 29.99 29.91 29.83 10 10 10 17 9 24 0.00  
28 94 85 76 64 61 55 64 46 28 29.87 29.80 29.74 10 10 10 24 10 31 T  
29 89 80 71 70 57 51 57 43 29 29.90 29.84 29.76 10 10 9 20 6 26 T Rain , Thunderstorm
30 83 75 66 56 50 45 61 45 28 29.98 29.90 29.83 10 10 10 12 6 16 T  
31 68 61 53 59 52 45 93 69 45 29.89 29.81 29.75 10 8 4 20 10 24 0.10 Rain
Comma Delimited File