San Juan, PR

6:58 AM AST on March 26, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - September, 2011

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Friday, September 9, 2011

  Actual Average Record
Temperature  
Mean Temperature 84 °F 84 °F  
Max Temperature 88 °F 89 °F 94 °F (1995)
Min Temperature 79 °F 78 °F 70 °F (1988)
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 168 171  
Year to date cooling degree days 3838 4035  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 75 °F    
Average Humidity 77    
Maximum Humidity 85    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 in 0.21 in 1.82 in (1988)
Month to date precipitation 1.93 1.90  
Year to date precipitation 65.03 35.52  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 10 mph (ENE)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 09, 2011 Rise Set
Actual Time 6:10 AM AST 6:31 PM AST
Civil Twilight 5:48 AM AST 6:53 PM AST
Nautical Twilight 5:23 AM AST 7:19 PM AST
Astronomical Twilight 4:57 AM AST 7:44 PM AST
Moon 4:43 PM AST (9/9) 3:44 AM AST (9/9)
Length of Visible Light 13h 04m
Length of Day
12h 20m
Waxing Gibbous, 93% of the Moon is Illuminated
Sep 9
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
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 80.1 °F 84.2 °F 73.0 °F 79% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 79.0 °F - 73.0 °F 82% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.91 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
5:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.92 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
6:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.92 in 9.0 mi ESE 4.6 mph - N/A   Scattered Clouds
7:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.95 in 9.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
8:56 AM 86.0 °F 95.1 °F 75.0 °F 70% 29.96 in 9.0 mi East 12.7 mph - N/A   Mostly Cloudy
9:56 AM 86.0 °F 96.9 °F 77.0 °F 74% 29.96 in 9.0 mi ENE 15.0 mph - N/A   Mostly Cloudy
10:56 AM 88.0 °F 98.5 °F 75.9 °F 67% 29.97 in 9.0 mi ENE 16.1 mph - N/A   Mostly Cloudy
11:56 AM 87.1 °F 97.3 °F 75.9 °F 69% 29.96 in 9.0 mi ENE 19.6 mph 24.2 mph N/A   Mostly Cloudy
12:56 PM 88.0 °F 98.5 °F 75.9 °F 67% 29.95 in 9.0 mi ENE 19.6 mph 24.2 mph N/A   Mostly Cloudy
1:56 PM 88.0 °F 97.5 °F 75.0 °F 65% 29.93 in 9.0 mi ENE 17.3 mph 24.2 mph N/A   Mostly Cloudy
2:56 PM 86.0 °F 95.1 °F 75.0 °F 70% 29.91 in 9.0 mi East 13.8 mph 23.0 mph N/A   Scattered Clouds
3:56 PM 84.9 °F 94.1 °F 75.9 °F 74% 29.91 in 9.0 mi ENE 15.0 mph - N/A   Scattered Clouds
4:56 PM 84.9 °F 93.3 °F 75.0 °F 72% 29.91 in 9.0 mi ENE 17.3 mph 21.9 mph N/A   Scattered Clouds
5:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.93 in 9.0 mi East 12.7 mph - N/A   Scattered Clouds
6:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 29.94 in 9.0 mi ENE 12.7 mph - N/A   Scattered Clouds
7:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.94 in 10.0 mi ENE 13.8 mph - N/A   Scattered Clouds
8:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.96 in 10.0 mi ENE 9.2 mph - N/A   Partly Cloudy
9:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 29.97 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
10:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 29.96 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
11:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 29.95 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds