San Juan, PR

6:53 PM AST on September 20, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - August, 2014

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Monday, August 18, 2014

  Actual Average Record
Temperature  
Mean Temperature 84 °F 84 °F  
Max Temperature 88 °F 89 °F 94 °F (1991)
Min Temperature 80 °F 78 °F 72 °F (1956)
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 19  
Month to date cooling degree days 328 342  
Year to date cooling degree days 3971 3626  
Since 1 June cooling degree days 1565 1461  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 77 °F    
Average Humidity 80    
Maximum Humidity 91    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 in 0.19 in 1.80 in (1967)
Month to date precipitation 3.58 2.91  
Year to date precipitation 26.44 31.07  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 10 mph (ENE)    
Max Wind Speed 21 mph    
Max Gust Speed 24 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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Astronomy

Aug. 18, 2014 Rise Set
Actual Time 6:06 AM AST 6:48 PM AST
Civil Twilight 5:43 AM AST 7:11 PM AST
Nautical Twilight 5:17 AM AST 7:37 PM AST
Astronomical Twilight 4:50 AM AST 8:04 PM AST
Moon 12:20 AM AST (8/18) 1:35 PM AST (8/18)
Length of Visible Light 13h 27m
Length of Day
12h 42m
Last Quarter, 38% of the Moon is Illuminated
Aug 18
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last 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 81.0 °F 87.9 °F 77.0 °F 88% 30.04 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
1:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.02 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
2:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 30.01 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
3:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.99 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
4:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.00 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
5:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.03 in 9.0 mi ENE 4.6 mph - N/A   Scattered Clouds
7:56 AM 82.9 °F 91.8 °F 77.0 °F 82% 30.02 in 9.0 mi East 8.1 mph - N/A   Scattered Clouds
8:56 AM 84.0 °F 93.7 °F 77.0 °F 79% 30.03 in 10.0 mi NE 10.4 mph - N/A   Scattered Clouds
9:56 AM 86.0 °F 96.9 °F 77.0 °F 74% 30.04 in 10.0 mi NE 13.8 mph - N/A   Scattered Clouds
10:56 AM 87.1 °F 99.8 °F 78.1 °F 74% 30.03 in 10.0 mi ENE 15.0 mph - 0.01 in   Scattered Clouds
11:56 AM 88.0 °F 100.2 °F 77.0 °F 70% 30.01 in 10.0 mi ENE 15.0 mph - N/A   Partly Cloudy
12:56 PM 88.0 °F 97.5 °F 75.0 °F 65% 29.99 in 10.0 mi NE 19.6 mph - N/A   Partly Cloudy
1:56 PM 87.1 °F 98.8 °F 77.0 °F 72% 29.97 in 10.0 mi NE 15.0 mph - N/A   Partly Cloudy
2:56 PM 87.1 °F 98.8 °F 77.0 °F 72% 29.96 in 9.0 mi ENE 17.3 mph 24.2 mph N/A   Scattered Clouds
3:56 PM 87.1 °F 98.8 °F 77.0 °F 72% 29.95 in 9.0 mi ENE 17.3 mph 23.0 mph N/A   Scattered Clouds
4:56 PM 86.0 °F 96.0 °F 75.9 °F 72% 29.96 in 9.0 mi NE 17.3 mph - N/A   Scattered Clouds
5:56 PM 84.0 °F 92.6 °F 75.9 °F 76% 29.96 in 9.0 mi ENE 16.1 mph - N/A   Partly Cloudy
6:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.97 in 9.0 mi ENE 12.7 mph - N/A   Scattered Clouds
7:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.98 in 10.0 mi NE 11.5 mph - N/A   Scattered Clouds
8:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.99 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
9:56 PM 82.0 °F 89.4 °F 75.9 °F 82% 30.01 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
10:56 PM 82.0 °F 89.4 °F 75.9 °F 82% 30.01 in 10.0 mi ENE 8.1 mph - N/A   Scattered Clouds
11:56 PM 82.0 °F 89.4 °F 75.9 °F 82% 30.00 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds