Weather History for San Juan, PR

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Monday, August 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 84 °F 84 °F  
Max Temperature 90 °F 89 °F 94 °F (2010)
Min Temperature 77 °F 78 °F 71 °F (1959)
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 96 95  
Year to date cooling degree days 3419 3379  
Since 1 June cooling degree days 1171 1214  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 71    
Maximum Humidity 85    
Minimum Humidity 56    
Precipitation  
Precipitation 0.13 in 0.15 in 1.46 in (1943)
Month to date precipitation 1.61 0.75  
Year to date precipitation 51.61 28.91  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 05, 2013 Rise Set
Actual Time 6:03 AM AST 6:56 PM AST
Civil Twilight 5:40 AM AST 7:19 PM AST
Nautical Twilight 5:12 AM AST 7:46 PM AST
Astronomical Twilight 4:45 AM AST 8:14 PM AST
Moon 4:53 AM AST (8/5) 5:59 PM AST (8/5)
Length of Visible Light 13h 39m
Length of Day
12h 53m
Waning Crescent, 1% of the Moon is Illuminated
Aug 5
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
12:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.00 in 10.0 mi East 11.5 mph - 0.00 in   Scattered Clouds
1:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 29.99 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
2:56 AM 81.0 °F 86.2 °F 73.9 °F 79% 29.98 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
3:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 29.98 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
4:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 29.98 in 10.0 mi Calm Calm - 0.06 in   Scattered Clouds
5:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.00 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
6:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.02 in 10.0 mi SE 3.5 mph - 0.03 in   Scattered Clouds
7:56 AM 82.0 °F 88.6 °F 75.0 °F 79% 30.03 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
8:56 AM 84.9 °F 92.1 °F 73.9 °F 69% 30.03 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
9:56 AM 86.0 °F 93.8 °F 73.9 °F 67% 30.04 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
10:56 AM 88.0 °F 95.6 °F 73.0 °F 61% 30.03 in 10.0 mi ENE 12.7 mph 19.6 mph N/A   Partly Cloudy
11:56 AM 89.1 °F 97.0 °F 73.0 °F 59% 30.02 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
12:56 PM 89.1 °F 97.0 °F 73.0 °F 59% 30.00 in 10.0 mi ENE 16.1 mph 19.6 mph N/A   Scattered Clouds
1:56 PM 89.1 °F 97.0 °F 73.0 °F 59% 29.97 in 10.0 mi NE 15.0 mph 21.9 mph N/A   Scattered Clouds
2:56 PM 89.1 °F 96.0 °F 72.0 °F 57% 29.95 in 10.0 mi NE 15.0 mph - N/A   Scattered Clouds
3:56 PM 88.0 °F 96.5 °F 73.9 °F 63% 29.94 in 10.0 mi ENE 15.0 mph 23.0 mph N/A   Scattered Clouds
4:56 PM 84.9 °F 91.4 °F 73.0 °F 67% 29.95 in 10.0 mi ENE 13.8 mph - N/A   Scattered Clouds
5:56 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.95 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
6:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 29.97 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
7:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.99 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
8:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.99 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
9:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 30.01 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
10:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 30.01 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
11:56 PM 78.1 °F - 71.1 °F 79% 30.00 in 10.0 mi Calm Calm - 0.04 in   Partly Cloudy