Weather History for St. Thomas, VI

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Wednesday, July 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 84 °F 84 °F  
Max Temperature 89 °F 90 °F 97 °F (1993)
Min Temperature 78 °F 78 °F 72 °F (1955)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 19 19  
Month to date cooling degree days 577 589  
Year to date cooling degree days 3309 3396  
Since 1 June cooling degree days 1113 1144  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 75 °F    
Average Humidity 80    
Maximum Humidity 91    
Minimum Humidity 68    
Precipitation  
Precipitation 0.04 in 0.10 in 1.16 in (1963)
Month to date precipitation 4.29 2.85  
Year to date precipitation 17.55 16.41  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 5 mph (ESE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jul. 31, 2013 Rise Set
Actual Time 5:57 AM AST 6:54 PM AST
Civil Twilight 5:34 AM AST 7:17 PM AST
Nautical Twilight 5:06 AM AST 7:45 PM AST
Astronomical Twilight 4:38 AM AST 8:13 PM AST
Moon 12:49 AM AST (7/31) 2:04 PM AST (7/31)
Length of Visible Light 13h 43m
Length of Day
12h 57m
Waning Crescent, 32% of the Moon is Illuminated
Jul 31
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Hourly Weather History & Observations

Time (AST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 81.0 °F 85.8 °F 73.0 °F 77% 30.03 in 10.0 mi East 6.9 mph - N/A   Clear
1:53 AM 81.0 °F 85.8 °F 73.0 °F 77% 30.01 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
2:53 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 79.0 °F - 73.9 °F 84% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 78.1 °F - 73.9 °F 87% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 78.1 °F - 73.9 °F 87% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 79.0 °F - 75.0 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 82.9 °F 90.8 °F 75.9 °F 79% 30.03 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
8:53 AM 84.9 °F 94.1 °F 75.9 °F 74% 30.04 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
9:18 AM 84.2 °F 92.3 °F 75.2 °F 74% 30.05 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
9:26 AM 84.2 °F 94.1 °F 77.0 °F 79% 30.04 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
9:53 AM 87.1 °F 96.3 °F 75.0 °F 67% 30.05 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
10:53 AM 82.9 °F 92.8 °F 78.1 °F 85% 30.05 in 10.0 mi East 10.4 mph 16.1 mph 0.00 in Rain Rain
11:17 AM 82.4 °F 92.4 °F 78.8 °F 89% 30.05 in 10.0 mi Calm Calm - 0.04 in Rain Light Rain
11:40 AM 82.4 °F 90.9 °F 77.0 °F 84% 30.05 in 10.0 mi NE 6.9 mph - 0.04 in   Partly Cloudy
11:53 AM 84.0 °F 93.7 °F 77.0 °F 79% 30.05 in 10.0 mi ESE 6.9 mph - 0.04 in   Clear
1:53 PM 86.0 °F 95.1 °F 75.0 °F 70% 30.01 in 10.0 mi SSE 8.1 mph - N/A   Partly Cloudy
2:53 PM 84.9 °F 94.1 °F 75.9 °F 74% 29.99 in 10.0 mi SSE 9.2 mph - N/A   Clear
3:53 PM 86.0 °F 95.1 °F 75.0 °F 70% 29.99 in 10.0 mi SSE 12.7 mph - N/A   Clear