Weather History for St. Augustine, FL

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 82 °F -  
Max Temperature 88 °F 85 °F 100 °F (1993)
Min Temperature 77 °F 71 °F 67 °F (1990)
Cooling Degree Days 17    
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 77 °F    
Average Humidity 80    
Maximum Humidity 96    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 6 mph (SE)    
Max Wind Speed 17 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:55 AM EDT 8:01 PM EDT
Civil Twilight 6:30 AM EDT 8:25 PM EDT
Nautical Twilight 6:01 AM EDT 8:55 PM EDT
Astronomical Twilight 5:31 AM EDT 9:25 PM EDT
Moon 7:36 PM EDT (8/20) 6:22 AM EDT (8/20)
Length of Visible Light 13h 54m
Length of Day
13h 05m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.09 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:58 AM 80.1 °F 85.4 °F 75.9 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Clear
2:58 AM 79.0 °F - 75.9 °F 90% 30.05 in 10.0 mi Calm Calm - N/A   Clear
3:58 AM 77.0 °F - 75.0 °F 94% 30.05 in 10.0 mi Calm Calm - N/A   Clear
4:58 AM 77.0 °F - 75.9 °F 96% 30.04 in 10.0 mi East 3.5 mph - N/A   Clear
5:58 AM 79.0 °F - 77.0 °F 94% 30.04 in 10.0 mi South 3.5 mph - N/A   Clear
6:58 AM 79.0 °F - 77.0 °F 94% 30.05 in 10.0 mi SE 5.8 mph - N/A   Clear
7:58 AM 80.1 °F 85.8 °F 77.0 °F 90% 30.07 in 10.0 mi South 3.5 mph - N/A   Clear
8:58 AM 84.0 °F 94.8 °F 78.1 °F 82% 30.09 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
9:58 AM 86.0 °F 96.9 °F 77.0 °F 74% 30.11 in 10.0 mi SE 11.5 mph - N/A   Scattered Clouds
10:27 AM 87.8 °F 102.5 °F 78.8 °F 75% 30.12 in 10.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
10:31 AM 86.0 °F 96.9 °F 77.0 °F 74% 30.12 in 10.0 mi ESE 12.7 mph - N/A   Scattered Clouds
10:58 AM 86.0 °F 96.9 °F 77.0 °F 74% 30.12 in 10.0 mi SE 12.7 mph - N/A   Scattered Clouds
11:58 AM 87.1 °F 99.8 °F 78.1 °F 74% 30.13 in 10.0 mi ESE 11.5 mph - N/A   Clear
12:58 PM 87.1 °F 98.8 °F 77.0 °F 72% 30.12 in 10.0 mi ESE 12.7 mph - N/A   Clear
1:58 PM 87.1 °F 98.8 °F 77.0 °F 72% 30.11 in 10.0 mi East 12.7 mph - N/A   Clear
2:58 PM 87.1 °F 97.3 °F 75.9 °F 69% 30.08 in 10.0 mi ESE 17.3 mph - N/A   Partly Cloudy
3:58 PM 87.1 °F 96.3 °F 75.0 °F 67% 30.06 in 10.0 mi ESE 13.8 mph - N/A   Clear
4:58 PM 87.1 °F 97.3 °F 75.9 °F 69% 30.07 in 10.0 mi ESE 13.8 mph - N/A   Clear
5:58 PM 86.0 °F 95.1 °F 75.0 °F 70% 30.07 in 10.0 mi ESE 13.8 mph - N/A   Clear
6:58 PM 84.9 °F 94.1 °F 75.9 °F 74% 30.06 in 10.0 mi ESE 13.8 mph - N/A   Partly Cloudy
7:58 PM 82.9 °F 90.8 °F 75.9 °F 79% 30.09 in 10.0 mi ESE 8.1 mph - N/A   Partly Cloudy
8:58 PM 82.9 °F 90.8 °F 75.9 °F 79% 30.12 in 10.0 mi ESE 10.4 mph - N/A   Partly Cloudy
9:58 PM 82.0 °F 89.4 °F 75.9 °F 82% 30.12 in 10.0 mi SE 8.1 mph - N/A   Clear
10:58 PM 81.0 °F 87.3 °F 75.9 °F 85% 30.14 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:58 PM 82.0 °F 90.2 °F 77.0 °F 85% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds