Weather History for San Juan, PR

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Sunday, October 9, 2011

  Actual Average Record
Temperature  
Mean Temperature 83 °F 83 °F  
Max Temperature 88 °F 89 °F 98 °F (1981)
Min Temperature 77 °F 77 °F 71 °F (1958)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 18 18  
Month to date cooling degree days 162 162  
Year to date cooling degree days 4365 4574  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 75    
Maximum Humidity 88    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.15 in 1.72 in (1970)
Month to date precipitation 1.29 1.44  
Year to date precipitation 71.00 40.83  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 22 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 09, 2011 Rise Set
Actual Time 6:16 AM AST 6:06 PM AST
Civil Twilight 5:54 AM AST 6:28 PM AST
Nautical Twilight 5:28 AM AST 6:53 PM AST
Astronomical Twilight 5:03 AM AST 7:18 PM AST
Moon 4:32 PM AST (10/9) 4:11 AM AST (10/9)
Length of Visible Light 12h 33m
Length of Day
11h 50m
Waxing Gibbous, 95% of the Moon is Illuminated
Oct 9
Waxing Gibbous
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First 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 79.0 °F - 73.0 °F 82% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 78.1 °F - 73.0 °F 84% 29.92 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 AM 78.1 °F - 73.9 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 78.1 °F - 73.0 °F 84% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 77.0 °F - 73.0 °F 88% 29.91 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
5:56 AM 78.1 °F - 73.0 °F 84% 29.91 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
6:56 AM 78.1 °F - 73.0 °F 84% 29.93 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
7:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 29.95 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
8:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.96 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
9:56 AM 84.9 °F 91.4 °F 73.0 °F 67% 29.97 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
10:56 AM 86.0 °F 92.2 °F 72.0 °F 63% 29.95 in 10.0 mi East 12.7 mph - N/A   Partly Cloudy
11:56 AM 87.1 °F 94.5 °F 73.0 °F 63% 29.94 in 10.0 mi East 12.7 mph - N/A   Partly Cloudy
12:56 PM 87.1 °F 95.4 °F 73.9 °F 65% 29.91 in 10.0 mi ENE 18.4 mph - N/A   Scattered Clouds
1:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.88 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
2:56 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.88 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
3:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.89 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
4:56 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.90 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
5:56 PM 82.0 °F 86.3 °F 71.1 °F 69% 29.90 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
6:56 PM 81.0 °F 85.2 °F 72.0 °F 74% 29.91 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
7:56 PM 79.0 °F - 73.0 °F 82% 29.93 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
8:56 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.94 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
9:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 29.96 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
10:56 PM 79.0 °F - 73.0 °F 82% 29.96 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
11:56 PM 79.0 °F - 72.0 °F 79% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy