Weather History for San Juan, PR

Saturday, September 10, 2011 — View Current Weather Conditions
Saturday, September 10, 2011
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 84 °F 84 °F  
Max Temperature 88 °F 89 °F 94 °F (1998)
Min Temperature 80 °F 78 °F 71 °F (1961)
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 19 19  
Month to date cooling degree days 187 190  
Year to date cooling degree days 3857 4054  
Growing Degree Days 34 (Base 50)    
Moisture
Dew Point 74 °F    
Average Humidity 71    
Maximum Humidity 79    
Minimum Humidity 63    
Precipitation
Precipitation 0.02 in 0.20 in 8.20 in (1996)
Month to date precipitation 1.95 2.10  
Year to date precipitation 65.05 35.72  
Sea Level Pressure
Sea Level Pressure 29.89 in    
Wind
Wind Speed 13 mph (NE)    
Max Wind Speed 21 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Sep. 10, 2011 Rise Set
Actual Time 6:10 AM AST 6:30 PM AST
Civil Twilight 5:49 AM AST 6:52 PM AST
Nautical Twilight 5:23 AM AST 7:18 PM AST
Astronomical Twilight 4:57 AM AST 7:44 PM AST
Moon 5:20 PM AST (9/10) 4:35 AM AST (9/10)
Length Of Visible Light 13h 03m
Length of Day
12h 19m
Waxing Gibbous, 97% of the Moon is Illuminated
Sep 10
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
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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 82.9 °F 89.4 °F 73.9 °F 74% 29.93 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
1:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.91 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
2:56 AM 82.9 °F 88.8 °F 73.0 °F 72% 29.89 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
3:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.88 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
4:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.87 in 10.0 mi ENE 9.2 mph - N/A   Partly Cloudy
5:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.88 in 10.0 mi NE 11.5 mph - N/A   Scattered Clouds
6:56 AM 82.9 °F 88.8 °F 73.0 °F 72% 29.90 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
7:56 AM 84.0 °F 90.2 °F 73.0 °F 69% 29.91 in 10.0 mi NE 10.4 mph - N/A   Scattered Clouds
8:56 AM 86.0 °F 93.8 °F 73.9 °F 67% 29.92 in 10.0 mi NE 11.5 mph - N/A   Scattered Clouds
9:56 AM 87.1 °F 95.4 °F 73.9 °F 65% 29.93 in 10.0 mi NE 13.8 mph 21.9 mph N/A   Scattered Clouds
10:56 AM 87.1 °F 95.4 °F 73.9 °F 65% 29.93 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
11:56 AM 88.0 °F 97.5 °F 75.0 °F 65% 29.92 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
12:56 PM 88.0 °F 96.5 °F 73.9 °F 63% 29.91 in 10.0 mi NE 15.0 mph 21.9 mph N/A   Scattered Clouds
1:56 PM 87.1 °F 96.3 °F 75.0 °F 67% 29.88 in 10.0 mi NE 13.8 mph - N/A   Scattered Clouds
2:56 PM 87.1 °F 96.3 °F 75.0 °F 67% 29.87 in 10.0 mi NNE 15.0 mph - N/A   Scattered Clouds
3:56 PM 87.1 °F 96.3 °F 75.0 °F 67% 29.86 in 10.0 mi NNE 12.7 mph - N/A   Mostly Cloudy
4:33 PM 82.4 °F 89.5 °F 75.2 °F 79% 29.86 in 8.0 mi ENE 12.7 mph 20.7 mph 0.00 in Rain Rain
4:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.87 in 10.0 mi East 11.5 mph 17.3 mph 0.00 in   Overcast
5:56 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.87 in 10.0 mi NNE 11.5 mph - 0.00 in   Mostly Cloudy
6:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.88 in 10.0 mi NE 11.5 mph 18.4 mph 0.02 in   Mostly Cloudy
7:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.88 in 10.0 mi NNE 15.0 mph 23.0 mph N/A   Mostly Cloudy
8:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.91 in 10.0 mi ENE 16.1 mph 23.0 mph N/A   Mostly Cloudy
9:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.92 in 10.0 mi NE 18.4 mph 23.0 mph N/A   Mostly Cloudy
10:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.91 in 10.0 mi NE 13.8 mph - N/A   Mostly Cloudy
11:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.88 in 10.0 mi NNE 12.7 mph 19.6 mph N/A   Scattered Clouds
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