Weather History for St. Charles, MO

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 75 °F 45 °F
Mean Temperature 80 °F 65 °F 44 °F
Min Temperature 68 °F 56 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 22 4 0 116
Cooling Degree Days (base 65) 14 4 0 126
Growing Degree Days (base 50) 30 16 0 485
Dew Point  
Dew Point 72 °F 55 °F 26 °F
Precipitation  
Precipitation 2.11 in 0.23 in 0.00 in 7.23 in
Snowdepth - - - -
Wind  
Wind 43 mph 8 mph 0 mph
Gust Wind 69 mph 25 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. 06, 2013 Rise Set
Actual Time 5:57 AM CDT 7:59 PM CDT
Civil Twilight 5:28 AM CDT 8:28 PM CDT
Nautical Twilight 4:52 AM CDT 9:04 PM CDT
Astronomical Twilight 4:14 AM CDT 9:43 PM CDT
Moon 3:58 AM CDT (5/6) 5:01 PM CDT (5/6)
Length of Visible Light 15h 00m
Length of Day
14h 01m
Waning Crescent, 11% of the Moon is Illuminated
May 6
Waning Crescent
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last Quarter

Weather History Calendar

Precipitation Actual month total 7.23 Average Month Total: 3.73
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
82 | 57 0.00
Average:
- | - 0.18
Rain
Actual:
69 | 44 0.31
Average:
- | - 0.14
Rain
Actual:
45 | 42 1.72
Average:
- | - 0.04
Rain
Actual:
48 | 41 0.03
Average:
- | - 0.13
Rain
Actual:
63 | 46 0.12
Average:
- | - 0.08
Rain
Actual:
70 | 53 0.02
Average:
- | - 0.09
Partly Cloudy
Actual:
78 | 57 0.00
Average:
- | - 0.18
Fog
Actual:
81 | 51 0.00
Average:
- | - 0.13
Thunderstorm
Actual:
73 | 62 0.50
Average:
- | - 0.03
Rain
Actual:
64 | 55 0.03
Average:
- | - 0.13
Partly Cloudy
Actual:
69 | 50 0.00
Average:
- | - 0.08
Clear
Actual:
62 | 43 0.00
Average:
- | - 0.25
Clear
Actual:
73 | 41 0.00
Average:
- | - 0.16
Clear
Actual:
93 | 52 0.00
Average:
- | - 0.17
Thunderstorm
Actual:
91 | 66 0.00
Average:
- | - 0.06
Scattered Clouds
Actual:
82 | 64 0.00
Average:
- | - 0.13
Rain
Actual:
77 | 62 0.12
Average:
- | - 0.11
Partly Cloudy
Actual:
82 | 62 0.01
Average:
- | - 0.20
Scattered Clouds
Actual:
91 | 68 0.00
Average:
- | - 0.04
Thunderstorm
Actual:
82 | 62 2.11
Average:
- | - 0.02
Thunderstorm
Actual:
80 | 64 0.16
Average:
- | - 0.08
Partly Cloudy
Actual:
75 | 62 0.01
Average:
- | - 0.13
Rain
Actual:
66 | 55 0.00
Average:
- | - 0.20
Clear
Actual:
69 | 46 0.00
Average:
- | - 0.20
Thunderstorm
Actual:
68 | 52 0.04
Average:
- | - 0.16
Thunderstorm
Actual:
82 | 55 0.01
Average:
- | - 0.18
Thunderstorm
Actual:
82 | 64 0.10
Average:
- | - 0.03
Thunderstorm
Actual:
84 | 64 0.02
Average:
- | - 0.07
Scattered Clouds
Actual:
88 | 64 0.01
Average:
- | - 0.12
Thunderstorm
Actual:
82 | 66 0.45
Average:
- | - 0.08
Thunderstorm
Actual:
81 | 62 1.46
Average:
- | - 0.13
 

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 82 70 57 61 57 52 93 65 36 30.07 30.03 29.95 10 10 8 10 4 18 0.00  
2 69 55 44 60 51 41 93 82 56 30.16 30.12 30.05 10 8 3 18 6 22 0.31 Rain
3 45 44 42 43 41 39 93 91 87 30.09 29.92 29.82 10 5 2 16 9 - 1.72 Rain
4 48 44 41 45 41 38 93 88 76 30.02 29.93 29.85 10 8 2 9 5 - 0.03 Rain
5 63 54 46 56 50 44 96 90 75 30.01 29.96 29.90 10 9 2 13 6 - 0.12 Rain
6 70 61 53 58 53 51 94 79 54 29.98 29.95 29.91 10 10 10 16 7 25 0.02 Rain
7 78 67 57 59 56 51 93 73 42 30.03 29.99 29.97 10 10 10 10 1 - 0.00  
8 81 66 51 60 54 44 100 74 28 30.04 29.99 29.95 10 7 0 13 1 - 0.00 Fog
9 73 68 62 64 61 59 94 85 64 29.97 29.90 29.83 10 8 1 15 6 20 0.50 Rain , Thunderstorm
10 64 60 55 61 55 48 96 84 77 30.00 29.92 29.83 10 10 4 13 6 - 0.03 Rain
11 69 58 50 52 45 31 94 66 32 30.17 30.04 29.98 10 10 7 23 8 33 0.00  
12 62 52 43 43 31 26 83 47 29 30.24 30.19 30.14 10 10 10 14 8 23 0.00  
13 73 57 41 45 40 32 93 57 25 30.23 30.14 30.01 10 10 8 10 2 - 0.00  
14 93 72 52 55 50 45 83 47 21 29.99 29.87 29.77 10 10 10 20 9 25 0.00  
15 91 78 66 64 57 49 65 46 31 29.92 29.86 29.78 10 10 10 15 10 23 0.00 Thunderstorm
16 82 72 64 65 61 55 87 67 47 29.93 29.89 29.84 10 10 5 15 4 20 0.00  
17 77 68 62 67 63 57 93 81 64 29.95 29.93 29.90 10 8 2 12 6 - 0.12 Rain
18 82 72 62 65 63 61 100 81 54 30.00 29.96 29.88 10 6 2 13 6 - 0.01  
19 91 80 68 72 67 62 87 67 48 29.89 29.80 29.67 10 8 6 23 10 30 0.00  
20 82 72 62 70 64 57 94 85 58 29.88 29.80 29.69 10 6 0 43 15 69 2.11 Fog , Rain , Thunderstorm
21 80 72 64 66 63 61 94 78 56 29.79 29.74 29.68 10 10 6 20 12 26 0.16 Rain , Thunderstorm
22 75 68 62 63 58 54 94 73 48 29.86 29.73 29.65 10 10 10 16 9 24 0.01  
23 66 60 55 58 54 49 86 74 67 30.24 30.04 29.86 10 10 5 20 11 25 0.00 Rain
24 69 57 46 49 43 38 89 60 37 30.41 30.33 30.24 10 10 9 12 6 - 0.00  
25 68 60 52 55 51 45 88 73 50 30.35 30.25 30.14 10 10 7 16 7 - 0.04 Rain , Thunderstorm
26 82 68 55 66 58 49 84 67 52 30.19 30.08 29.97 10 10 10 31 11 40 0.01 Rain , Thunderstorm
27 82 74 64 70 65 61 94 82 64 30.03 29.89 29.72 10 8 2 25 10 45 0.10 Rain , Thunderstorm
28 84 74 64 71 67 63 96 82 58 29.90 29.84 29.79 10 8 1 22 8 40 0.02 Rain , Thunderstorm
29 88 76 64 68 64 60 90 65 49 29.94 29.88 29.80 10 10 10 20 10 30 0.01  
30 82 74 66 70 67 63 94 76 58 29.89 29.84 29.77 10 9 2 29 14 36 0.45 Rain , Thunderstorm
31 81 70 62 72 66 62 100 89 73 29.87 29.81 29.70 10 8 0 41 9 52 1.46 Fog , Rain , Thunderstorm