San Juan, PR

12:58 AM AST on February 10, 2016 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - July, 2011

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Thursday, July 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 84 °F 83 °F  
Max Temperature 90 °F 89 °F 93 °F (1981)
Min Temperature 78 °F 78 °F 71 °F (1957)
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 362 378  
Year to date cooling degree days 2933 3092  
Since 1 June cooling degree days 885 927  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 75 °F    
Average Humidity 77    
Maximum Humidity 91    
Minimum Humidity 63    
Precipitation  
Precipitation 0.16 in 0.17 in 2.31 in (2009)
Month to date precipitation 7.08 3.48  
Year to date precipitation 40.54 26.57  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 8 mph (East)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 21, 2011 Rise Set
Actual Time 5:57 AM AST 7:02 PM AST
Civil Twilight 5:34 AM AST 7:26 PM AST
Nautical Twilight 5:06 AM AST 7:54 PM AST
Astronomical Twilight 4:37 AM AST 8:22 PM AST
Moon 11:07 PM AST (7/21) 11:13 AM AST (7/21)
Length of Visible Light 13h 52m
Length of Day
13h 04m
Waning Gibbous, 64% of the Moon is Illuminated
Jul 21
Waning Gibbous
Jul 23
Last Quarter
Jul 30
New
Aug 6
First Quarter
Aug 13
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 81.0 °F 86.2 °F 73.9 °F 79% 30.02 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
1:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.01 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
2:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.00 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
3:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 29.99 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
4:56 AM 79.0 °F - 75.0 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 81.0 °F 86.7 °F 75.0 °F 82% 30.03 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
7:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.04 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
8:56 AM 84.9 °F 92.1 °F 73.9 °F 69% 30.04 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
9:56 AM 84.9 °F 93.3 °F 75.0 °F 72% 30.04 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
10:56 AM 84.9 °F 93.3 °F 75.0 °F 72% 30.04 in 10.0 mi East 17.3 mph - N/A   Scattered Clouds
11:56 AM 84.0 °F 93.7 °F 77.0 °F 79% 30.03 in 10.0 mi ESE 8.1 mph - 0.01 in Rain Light Rain
12:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 30.01 in 10.0 mi East 12.7 mph - 0.00 in   Scattered Clouds
1:56 PM 88.0 °F 98.5 °F 75.9 °F 67% 29.99 in 10.0 mi ENE 17.3 mph 21.9 mph N/A   Scattered Clouds
2:56 PM 87.1 °F 95.4 °F 73.9 °F 65% 29.99 in 10.0 mi East 13.8 mph 21.9 mph N/A   Scattered Clouds
3:56 PM 86.0 °F 95.1 °F 75.0 °F 70% 29.99 in 10.0 mi East 12.7 mph 20.7 mph N/A   Scattered Clouds
4:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.99 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
5:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.99 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
6:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 30.01 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
7:56 PM 79.0 °F - 75.0 °F 88% 30.03 in 10.0 mi ESE 3.5 mph - 0.13 in   Scattered Clouds
8:56 PM 80.1 °F 85.4 °F 75.9 °F 87% 30.04 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
9:56 PM 80.1 °F 85.4 °F 75.9 °F 87% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 PM 81.0 °F 87.3 °F 75.9 °F 85% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
11:56 PM 80.1 °F 85.4 °F 75.9 °F 87% 30.05 in 10.0 mi ESE 3.5 mph - 0.02 in   Mostly Cloudy