Weather History for St. Thomas, VI

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Wednesday, May 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 82 °F 82 °F  
Max Temperature 85 °F 88 °F 95 °F (1994)
Min Temperature 78 °F 76 °F 70 °F (1982)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 17 17  
Month to date cooling degree days 242 247  
Year to date cooling degree days 1920 1975  
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 80    
Maximum Humidity 91    
Minimum Humidity 69    
Precipitation  
Precipitation 0.00 in 0.10 in 0.71 in (1958)
Month to date precipitation 2.04 1.60  
Year to date precipitation 6.44 9.57  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 10 mph (ESE)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 15, 2013 Rise Set
Actual Time 5:46 AM AST 6:46 PM AST
Civil Twilight 5:23 AM AST 7:09 PM AST
Nautical Twilight 4:55 AM AST 7:37 PM AST
Astronomical Twilight 4:27 AM AST 8:05 PM AST
Moon 10:11 AM AST (5/15) 11:16 PM AST (5/15)
Length of Visible Light 13h 46m
Length of Day
12h 59m
Waxing Crescent, 26% of the Moon is Illuminated
May 15
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (AST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:53 AM 79.0 °F - 73.9 °F 84% 29.99 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
4:53 AM 78.1 °F - 75.0 °F 90% 29.98 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
5:53 AM 78.1 °F - 73.9 °F 87% 29.99 in 10.0 mi East 5.8 mph - N/A   Clear
6:53 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.00 in 10.0 mi East 10.4 mph - N/A   Partly Cloudy
7:53 AM 81.0 °F 86.2 °F 73.9 °F 79% 30.01 in 10.0 mi SE 15.0 mph - N/A   Scattered Clouds
8:53 AM 84.0 °F 90.2 °F 73.0 °F 69% 30.03 in 10.0 mi SE 12.7 mph - N/A   Clear
9:53 AM 82.9 °F 89.4 °F 73.9 °F 74% 30.04 in 10.0 mi SE 13.8 mph - N/A   Clear
10:53 AM 84.9 °F 91.4 °F 73.0 °F 67% 30.03 in 10.0 mi SE 12.7 mph - N/A   Partly Cloudy
12:53 PM 84.9 °F 92.1 °F 73.9 °F 69% 30.00 in 10.0 mi SSE 16.1 mph - N/A   Clear
1:53 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.99 in 10.0 mi SE 15.0 mph - N/A   Partly Cloudy
2:53 PM 82.9 °F 88.0 °F 72.0 °F 69% 29.99 in 10.0 mi SE 11.5 mph - N/A   Clear
3:53 PM 82.0 °F 86.7 °F 72.0 °F 71% 29.97 in 10.0 mi SE 9.2 mph - N/A   Clear
4:53 PM 82.0 °F 86.7 °F 72.0 °F 71% 29.96 in 10.0 mi ESE 9.2 mph - N/A   Clear
5:53 PM 82.0 °F 86.7 °F 72.0 °F 71% 29.95 in 10.0 mi SE 9.2 mph - N/A   Clear
7:53 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.98 in 10.0 mi ENE 4.6 mph - N/A   Clear
8:53 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.98 in 10.0 mi NE 8.1 mph - N/A   Clear
9:53 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.99 in 10.0 mi East 6.9 mph - N/A   Clear
10:53 PM 79.0 °F - 73.9 °F 84% 30.00 in 10.0 mi East 6.9 mph - N/A   Clear
11:53 PM 79.0 °F - 73.9 °F 84% 29.99 in 10.0 mi East 5.8 mph - N/A   Clear