Weather History for San Juan, PR

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Friday, July 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 84 °F 83 °F  
Max Temperature 90 °F 89 °F 93 °F (1988)
Min Temperature 77 °F 78 °F 70 °F (1919)
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 18  
Month to date cooling degree days 112 108  
Year to date cooling degree days 2919 2822  
Since 1 June cooling degree days 738 657  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 72    
Maximum Humidity 85    
Minimum Humidity 59    
Precipitation  
Precipitation T in 0.16 in 2.02 in (1924)
Month to date precipitation 1.76 0.92  
Year to date precipitation 27.47 24.01  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 10 mph (East)    
Max Wind Speed 23 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 06, 2012 Rise Set
Actual Time 5:53 AM AST 7:04 PM AST
Civil Twilight 5:28 AM AST 7:28 PM AST
Nautical Twilight 5:00 AM AST 7:57 PM AST
Astronomical Twilight 4:31 AM AST 8:26 PM AST
Moon 9:27 PM AST (7/6) 8:38 AM AST (7/6)
Length of Visible Light 13h 59m
Length of Day
13h 11m
Waning Gibbous, 89% of the Moon is Illuminated
Jul 6
Waning Gibbous
Jul 10
Last Quarter
Jul 19
New
Jul 26
First Quarter
Aug 1
Full

Hourly Weather History & Observations

Time (AST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 78.1 °F - 73.9 °F 87% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 78.1 °F - 73.9 °F 87% 29.99 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
2:56 AM 79.0 °F - 73.0 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 79.0 °F - 73.0 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 79.0 °F - 73.0 °F 82% 29.98 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
5:56 AM 77.0 °F - 72.0 °F 84% 29.99 in 8.0 mi SE 3.5 mph - N/A   Scattered Clouds
6:56 AM 78.1 °F - 72.0 °F 81% 30.00 in 9.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.03 in 9.0 mi ESE 4.6 mph - N/A   Scattered Clouds
8:56 AM 84.9 °F 93.3 °F 75.0 °F 72% 30.04 in 9.0 mi East 12.7 mph 17.3 mph N/A   Scattered Clouds
9:56 AM 86.0 °F 95.1 °F 75.0 °F 70% 30.04 in 9.0 mi East 16.1 mph - N/A   Scattered Clouds
10:56 AM 88.0 °F 96.5 °F 73.9 °F 63% 30.04 in 9.0 mi East 15.0 mph - N/A   Scattered Clouds
11:56 AM 89.1 °F 98.0 °F 73.9 °F 61% 30.04 in 9.0 mi ENE 18.4 mph - N/A   Partly Cloudy
12:56 PM 90.0 °F 97.9 °F 73.0 °F 57% 30.03 in 9.0 mi ENE 19.6 mph 25.3 mph N/A   Partly Cloudy
1:56 PM 90.0 °F 97.9 °F 73.0 °F 57% 30.01 in 9.0 mi ENE 15.0 mph - N/A   Partly Cloudy
2:56 PM 89.1 °F 98.0 °F 73.9 °F 61% 30.00 in 9.0 mi ENE 18.4 mph 24.2 mph N/A   Scattered Clouds
3:56 PM 89.1 °F 99.1 °F 75.0 °F 63% 30.00 in 9.0 mi East 17.3 mph - N/A   Scattered Clouds
4:56 PM 88.0 °F 97.5 °F 75.0 °F 65% 29.99 in 9.0 mi ENE 15.0 mph - N/A   Scattered Clouds
5:56 PM 86.0 °F 93.8 °F 73.9 °F 67% 29.99 in 8.0 mi ENE 18.4 mph - N/A   Partly Cloudy
6:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 30.00 in 6.0 mi ENE 13.8 mph - N/A   Haze
7:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 30.01 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
8:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 30.02 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
9:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 30.03 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
10:56 PM 82.0 °F 88.6 °F 75.0 °F 79% 30.03 in 10.0 mi East 8.1 mph - 0.00 in   Mostly Cloudy
11:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 30.02 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds