St. Thomas, VI

9:07 AM AST on June 23, 2018 (GMT -0400)
King

Weather History for TIST - September, 2017

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Wednesday, September 6, 2017

  Actual Average Record
Temperature  
Mean Temperature 81 °F 84 °F  
Max Temperature 84 °F 90 °F 97 °F (1994)
Min Temperature 78 °F 78 °F 71 °F (1954)
Cooling Degree Days 16 19  
Month to date cooling degree days 97 114  
Year to date cooling degree days 3868 4105  
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 77 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.54 in 0.18 in 1.56 in (1977)
Month to date precipitation 1.33 1.06  
Year to date precipitation 23.49 21.21  
Sea Level Pressure  
Sea Level Pressure 29.68 in    
Wind  
Wind Speed 15 mph (NW)    
Max Wind Speed 59 mph    
Max Gust Speed 88 mph    
Visibility 6 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 06, 2017 Rise Set
Actual Time 6:06 AM AST 6:29 PM AST
Civil Twilight 5:44 AM AST 6:51 PM AST
Nautical Twilight 5:18 AM AST 7:17 PM AST
Astronomical Twilight 4:52 AM AST 7:43 PM AST
Moon 6:59 PM AST (9/6) 6:17 AM AST (9/6)
Length of Visible Light 13h 07m
Length of Day
12h 23m
Full, 100% of the Moon is Illuminated
Sep 6
Full
Sep 13
Last Quarter
Sep 20
New
Sep 27
First Quarter
Oct 5
Full

Hourly Weather History & Observations

Time (AST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:29 AM 84.9 °F 96.6 °F 78.1 °F 80% 29.81 in 10.0 mi NE 17.3 mph 35.7 mph N/A   Mostly Cloudy
12:53 AM 84.9 °F 95.3 °F 77.0 °F 77% 29.80 in 10.0 mi NNE 13.8 mph 31.1 mph N/A   Mostly Cloudy
1:40 AM 84.9 °F 94.1 °F 75.9 °F 74% 29.77 in 10.0 mi East 11.5 mph 27.6 mph N/A   Mostly Cloudy
1:48 AM 84.2 °F 94.1 °F 77.0 °F 79% 29.77 in 10.0 mi ESE 9.2 mph 24.2 mph N/A   Mostly Cloudy
1:53 AM 84.0 °F 93.7 °F 77.0 °F 79% 29.77 in 10.0 mi NW 8.1 mph 26.5 mph N/A   Mostly Cloudy
2:53 AM 84.0 °F 93.7 °F 77.0 °F 79% 29.74 in 10.0 mi Variable 5.8 mph 19.6 mph 0.00 in   Overcast
3:53 AM 84.9 °F 95.3 °F 77.0 °F 77% 29.72 in 10.0 mi NW 9.2 mph 17.3 mph N/A   Overcast
4:53 AM 84.0 °F 93.7 °F 77.0 °F 79% 29.71 in 10.0 mi West 8.1 mph - N/A   Overcast
5:53 AM 84.9 °F 95.3 °F 77.0 °F 77% 29.70 in 10.0 mi North - - N/A   Overcast
6:53 AM 82.0 °F 90.2 °F 77.0 °F 85% 29.70 in 2.0 mi NW 16.1 mph 35.7 mph 0.12 in Rain Heavy Rain
7:08 AM 82.9 °F 91.8 °F 77.0 °F 82% 29.67 in 10.0 mi NNW 11.5 mph 32.2 mph 0.03 in   Overcast
7:51 AM 80.6 °F 86.2 °F 75.2 °F 84% 29.69 in 1.5 mi North - - 0.10 in Rain Light Rain
7:53 AM 78.1 °F - 75.0 °F 90% 29.68 in 1.2 mi NNE 16.1 mph 28.8 mph 0.12 in Rain Heavy Rain
8:02 AM 80.1 °F 85.1 °F 75.0 °F 85% 29.66 in 3.0 mi North 20.7 mph 35.7 mph 0.02 in Rain Light Rain
8:20 AM 80.1 °F 85.1 °F 75.0 °F 85% 29.65 in 9.0 mi WNW 17.3 mph 39.1 mph 0.02 in Rain Light Rain
8:53 AM 81.0 °F 87.9 °F 77.0 °F 88% 29.60 in 4.0 mi SW 15.0 mph 34.5 mph 0.04 in Rain Light Rain
9:53 AM 81.0 °F 86.7 °F 75.0 °F 82% 29.56 in 5.0 mi SW 11.5 mph 38.0 mph 0.03 in Rain Light Rain
10:31 AM 81.0 °F 87.9 °F 77.0 °F 88% 29.48 in 4.0 mi WNW 17.3 mph 43.7 mph 0.04 in Rain Light Rain
10:44 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.47 in 1.8 mi WNW 19.6 mph 58.7 mph 0.08 in Rain Rain
10:53 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.48 in 2.0 mi Variable 6.9 mph 58.7 mph 0.09 in Rain Light Rain
11:02 AM 79.0 °F - 77.0 °F 94% - 3.0 mi WSW 12.7 mph 51.8 mph 0.01 in Rain Light Rain
11:17 AM 80.1 °F 85.8 °F 77.0 °F 90% - 2.0 mi NW 42.6 mph 72.5 mph 0.03 in Rain Rain
11:25 AM 79.0 °F - 78.1 °F 97% - 0.8 mi NW 44.9 mph 85.2 mph 0.06 in Rain Rain
11:43 AM 79.0 °F - 78.1 °F 97% - 0.8 mi NW 51.8 mph 79.4 mph 0.12 in Rain Rain
11:53 AM 79.0 °F - 79.0 °F 100% - 0.5 mi NW 58.7 mph 87.5 mph 0.16 in Fog , Rain Rain