Weather History for St. Thomas, VI

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Thursday, September 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 85 °F 84 °F  
Max Temperature 88 °F 90 °F 95 °F (1993)
Min Temperature 81 °F 78 °F 72 °F (1974)
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 20 19  
Month to date cooling degree days 353 361  
Year to date cooling degree days 4255 4352  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 79 °F    
Average Humidity 84    
Maximum Humidity 94    
Minimum Humidity 74    
Precipitation  
Precipitation T in 0.19 in 3.31 in (2005)
Month to date precipitation 9.82 3.41  
Year to date precipitation 34.43 23.56  
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 8 mph (SE)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 19, 2013 Rise Set
Actual Time 6:08 AM AST 6:18 PM AST
Civil Twilight 5:46 AM AST 6:40 PM AST
Nautical Twilight 5:21 AM AST 7:05 PM AST
Astronomical Twilight 4:55 AM AST 7:31 PM AST
Moon 6:25 PM AST (9/19) 6:06 AM AST (9/19)
Length of Visible Light 12h 53m
Length of Day
12h 10m
Full, 100% of the Moon is Illuminated
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

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 84.0 °F 94.8 °F 78.1 °F 82% 29.96 in 10.0 mi SE 8.1 mph - N/A   Clear
1:53 AM 84.0 °F 96.0 °F 79.0 °F 85% 29.94 in 10.0 mi SSE 9.2 mph - N/A   Partly Cloudy
2:53 AM 82.0 °F 91.6 °F 79.0 °F 90% 29.93 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
3:31 AM 82.4 °F 92.4 °F 78.8 °F 89% 29.92 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
3:53 AM 82.0 °F 91.6 °F 79.0 °F 90% 29.93 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
4:53 AM 81.0 °F 89.2 °F 79.0 °F 94% 29.93 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
5:53 AM 81.0 °F 89.2 °F 79.0 °F 94% 29.93 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
6:53 AM 82.0 °F 91.6 °F 79.0 °F 90% 29.94 in 10.0 mi East 3.5 mph - N/A   Clear
7:53 AM 84.9 °F 98.9 °F 80.1 °F 85% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
8:42 AM 84.2 °F 98.3 °F 80.6 °F 89% 29.97 in 2.5 mi SSE 10.4 mph - N/A   Haze
8:51 AM 86.0 °F 101.9 °F 80.6 °F 84% 29.98 in 10.0 mi SSE 10.4 mph - N/A   Partly Cloudy
8:53 AM 86.0 °F 100.8 °F 80.1 °F 82% 29.98 in 10.0 mi SSE 12.7 mph - N/A   Partly Cloudy
9:53 AM 84.9 °F 98.9 °F 80.1 °F 85% 29.99 in 10.0 mi SSE 15.0 mph - N/A   Clear
10:53 AM 87.1 °F 101.5 °F 79.0 °F 77% 29.97 in 10.0 mi SSE 12.7 mph - N/A   Clear
11:53 AM 87.1 °F 101.5 °F 79.0 °F 77% 29.96 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
12:53 PM 88.0 °F 104.3 °F 80.1 °F 77% 29.94 in 10.0 mi SSE 6.9 mph - N/A   Partly Cloudy
1:53 PM 87.1 °F 101.5 °F 79.0 °F 77% 29.93 in 10.0 mi South 4.6 mph - N/A   Clear
2:53 PM 87.1 °F 103.2 °F 80.1 °F 80% 29.92 in 10.0 mi South 5.8 mph - N/A   Clear
3:53 PM 86.0 °F 100.8 °F 80.1 °F 82% 29.91 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
4:13 PM 84.2 °F 96.1 °F 78.8 °F 84% 29.92 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
4:48 PM 86.0 °F 99.3 °F 78.8 °F 79% 29.92 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
4:53 PM 84.9 °F 96.6 °F 78.1 °F 80% 29.92 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
5:53 PM 84.0 °F 97.3 °F 80.1 °F 88% 29.93 in 10.0 mi SSE 8.1 mph - 0.00 in Rain Light Rain
6:53 PM 84.0 °F 96.0 °F 79.0 °F 85% 29.95 in 10.0 mi SSE 5.8 mph - 0.00 in   Partly Cloudy
8:53 PM 84.9 °F 94.1 °F 75.9 °F 74% 29.97 in 10.0 mi SSE 9.2 mph - N/A   Clear
9:53 PM 84.0 °F 92.6 °F 75.9 °F 76% 29.98 in 10.0 mi SE 8.1 mph - N/A   Clear
10:53 PM 84.0 °F 93.7 °F 77.0 °F 79% 29.98 in 10.0 mi SE 8.1 mph - N/A   Clear
11:53 PM 84.0 °F 93.7 °F 77.0 °F 79% 29.97 in 10.0 mi SSE 9.2 mph - N/A   Clear