Weather History for St. Thomas, VI

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Saturday, December 31, 2011

  Actual Average Record
Temperature  
Mean Temperature 78 °F 79 °F  
Max Temperature 84 °F 85 °F 90 °F (1994)
Min Temperature 72 °F 73 °F 65 °F (1972)
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 13 14  
Month to date cooling degree days 445 451  
Year to date cooling degree days 5720 6045  
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 65    
Precipitation  
Precipitation 0.11 in 0.08 in 0.64 in (1990)
Month to date precipitation 2.51 2.96  
Year to date precipitation 46.14 39.34  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 12 mph (ENE)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2011 Rise Set
Actual Time 6:51 AM AST 5:54 PM AST
Civil Twilight 6:27 AM AST 6:18 PM AST
Nautical Twilight 6:00 AM AST 6:45 PM AST
Astronomical Twilight 5:33 AM AST 7:12 PM AST
Moon 11:36 AM AST (12/31) No Moon Set
Length of Visible Light 11h 50m
Length of Day
11h 02m
Waxing Crescent, 44% of the Moon is Illuminated
Dec 31
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New

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 75.0 °F - 73.0 °F 94% 30.08 in 10.0 mi NE 10.4 mph 19.6 mph 0.04 in   Mostly Cloudy
1:53 AM 75.0 °F - 72.0 °F 90% 30.07 in 10.0 mi NE 10.4 mph 19.6 mph 0.00 in   Overcast
2:53 AM 73.9 °F - 73.0 °F 97% 30.06 in 10.0 mi NE 8.1 mph - 0.01 in   Overcast
3:04 AM 73.4 °F - 73.4 °F 100% 30.05 in 10.0 mi ENE 11.5 mph - N/A   Overcast
3:53 AM 72.0 °F - 72.0 °F 100% 30.05 in 10.0 mi NE 13.8 mph 19.6 mph 0.06 in   Overcast
4:53 AM 73.0 °F - 73.0 °F 100% 30.05 in 10.0 mi ENE 12.7 mph - N/A   Clear
5:53 AM 73.9 °F - 71.1 °F 91% 30.06 in 10.0 mi ENE 13.8 mph 19.6 mph N/A   Mostly Cloudy
6:53 AM 75.0 °F - 71.1 °F 87% 30.08 in 10.0 mi ENE 12.7 mph - 0.00 in Rain Light Rain
7:53 AM 75.9 °F - 71.1 °F 85% 30.11 in 10.0 mi ENE 11.5 mph - 0.00 in   Clear
8:53 AM 77.0 °F - 71.1 °F 82% 30.14 in 10.0 mi ENE 13.8 mph - 0.00 in   Mostly Cloudy
9:53 AM 81.0 °F 84.1 °F 69.1 °F 67% 30.14 in 10.0 mi ENE 15.0 mph 24.2 mph N/A   Partly Cloudy
10:53 AM 82.9 °F 86.5 °F 69.1 °F 63% 30.13 in 10.0 mi East 12.7 mph - N/A   Partly Cloudy
11:53 AM 82.9 °F 86.5 °F 69.1 °F 63% 30.11 in 10.0 mi East 11.5 mph 19.6 mph N/A   Mostly Cloudy
12:53 PM 81.0 °F 84.1 °F 69.1 °F 67% 30.07 in 10.0 mi NE 13.8 mph - N/A   Mostly Cloudy
1:53 PM 81.0 °F 84.4 °F 70.0 °F 69% 30.05 in 10.0 mi NE 13.8 mph 20.7 mph N/A   Overcast
2:53 PM 82.9 °F 87.0 °F 70.0 °F 65% 30.05 in 10.0 mi ENE 11.5 mph 19.6 mph 0.00 in   Overcast
3:53 PM 81.0 °F 84.9 °F 71.1 °F 72% 30.05 in 10.0 mi NE 16.1 mph 21.9 mph N/A   Mostly Cloudy
4:53 PM 81.0 °F 84.9 °F 71.1 °F 72% 30.06 in 10.0 mi NE 11.5 mph - N/A   Partly Cloudy
5:53 PM 78.1 °F - 72.0 °F 81% 30.06 in 10.0 mi NE 10.4 mph - N/A   Overcast
6:53 PM 77.0 °F - 71.1 °F 82% 30.08 in 10.0 mi NE 8.1 mph - N/A   Clear
7:53 PM 75.9 °F - 72.0 °F 87% 30.10 in 10.0 mi NE 6.9 mph - N/A   Clear
8:53 PM 75.9 °F - 72.0 °F 87% 30.11 in 10.0 mi NE 11.5 mph - N/A   Scattered Clouds
9:53 PM 75.9 °F - 71.1 °F 85% 30.12 in 10.0 mi ENE 11.5 mph - N/A   Partly Cloudy
10:53 PM 75.9 °F - 71.1 °F 85% 30.12 in 10.0 mi NE 10.4 mph - N/A   Clear
11:53 PM 73.9 °F - 71.1 °F 91% 30.12 in 7.0 mi East 10.4 mph - 0.00 in Rain Light Rain