Weather History for San Juan, PR

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Thursday, July 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 79 °F 83 °F  
Max Temperature 83 °F 89 °F 92 °F (1988)
Min Temperature 74 °F 78 °F 72 °F (1958)
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 14 18  
Month to date cooling degree days 93 90  
Year to date cooling degree days 2900 2804  
Since 1 June cooling degree days 719 639  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 90    
Maximum Humidity 100    
Minimum Humidity 79    
Precipitation  
Precipitation 1.28 in 0.15 in 1.75 in (1934)
Month to date precipitation 1.76 0.76  
Year to date precipitation 27.47 23.85  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed 28 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 05, 2012 Rise Set
Actual Time 5:52 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 4:30 AM AST 8:26 PM AST
Moon 8:44 PM AST (7/5) 7:40 AM AST (7/5)
Length of Visible Light 14h 00m
Length of Day
13h 11m
Waning Gibbous, 95% of the Moon is Illuminated
Jul 5
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 - 75.4 °F 91% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 79.0 °F - 75.6 °F 89% 29.97 in 10.0 mi ESE 6.9 mph - 0.00 in Rain Light Rain
2:56 AM 79.0 °F - 75.7 °F 90% 29.94 in 10.0 mi ESE 4.6 mph - 0.00 in   Scattered Clouds
3:56 AM 79.0 °F - 79.0 °F 100% 29.94 in 10.0 mi ESE 4.6 mph - 0.00 in   Scattered Clouds
4:56 AM 79.0 °F - 78.1 °F 97% 29.97 in 10.0 mi ESE 12.7 mph - N/A   Scattered Clouds
5:56 AM 75.9 °F - 73.4 °F 92% 29.97 in 10.0 mi SSE 4.6 mph - 0.13 in Rain Light Rain
6:56 AM 75.9 °F - 74.1 °F 94% 29.97 in 10.0 mi SE 4.6 mph - 0.05 in Rain Light Rain
7:56 AM 75.9 °F - 75.0 °F 97% 29.97 in 10.0 mi Calm Calm - 0.07 in Rain Light Rain
8:56 AM 75.9 °F - 75.0 °F 97% 29.99 in 10.0 mi Variable 3.5 mph - 0.00 in   Mostly Cloudy
9:56 AM 79.0 °F - 78.1 °F 97% 30.00 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
10:56 AM 82.9 °F 98.3 °F 82.9 °F 100% 30.00 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
11:44 AM 78.8 °F - 75.2 °F 89% 30.05 in 2.0 mi South 9.2 mph 27.6 mph 0.04 in Rain Heavy Rain
11:45 AM 78.8 °F - 75.2 °F 89% 30.05 in 1.0 mi SSE 10.4 mph 27.6 mph 0.05 in Rain Heavy Rain
11:56 AM 73.9 °F - 72.0 °F 93% 30.04 in 2.0 mi South 11.5 mph 18.4 mph 0.50 in Rain Heavy Rain
12:32 PM 73.4 °F - 71.6 °F 94% 30.01 in 9.0 mi South 3.5 mph - 0.38 in Rain Light Rain
12:56 PM 73.9 °F - 71.1 °F 91% 30.02 in 10.0 mi North 3.5 mph - 0.39 in Rain Light Rain
1:56 PM 75.0 °F - 70.0 °F 84% 29.99 in 10.0 mi ESE 3.5 mph - 0.08 in Rain Light Rain
2:13 PM 75.2 °F - 71.6 °F 89% 29.98 in 8.0 mi Calm Calm - 0.02 in Rain , Thunderstorm Light Thunderstorms and Rain
2:41 PM 73.4 °F - 69.8 °F 88% 29.97 in 9.0 mi Calm Calm - 0.04 in Rain Light Rain
2:56 PM 75.0 °F - 70.0 °F 84% 29.96 in 10.0 mi Calm Calm - 0.05 in Rain Light Rain
3:56 PM 77.0 °F - 70.0 °F 79% 29.97 in 10.0 mi Calm Calm - 0.01 in   Overcast
4:56 PM 77.0 °F - 71.1 °F 82% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
5:56 PM 78.1 °F - 71.1 °F 79% 29.98 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
6:56 PM 78.1 °F - 71.1 °F 79% 29.99 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
7:56 PM 78.1 °F - 72.0 °F 81% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 PM 78.1 °F - 72.0 °F 81% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:56 PM 78.1 °F - 73.0 °F 84% 30.04 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
10:56 PM 78.1 °F - 73.0 °F 84% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:56 PM 78.1 °F - 73.9 °F 87% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy