San Juan, PR

9:43 AM AST on October 17, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - May, 2012

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Monday, May 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 82 °F 82 °F  
Max Temperature 86 °F 87 °F 93 °F (1977)
Min Temperature 77 °F 76 °F 68 °F (1950)
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 17 17  
Month to date cooling degree days 225 229  
Year to date cooling degree days 1889 1870  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 78    
Maximum Humidity 91    
Minimum Humidity 65    
Precipitation  
Precipitation T in 0.20 in 3.30 in (1979)
Month to date precipitation 3.53 2.71  
Year to date precipitation 23.80 15.49  
Sea Level Pressure  
Sea Level Pressure 30.00 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

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

May. 14, 2012 Rise Set
Actual Time 5:50 AM AST 6:50 PM AST
Civil Twilight 5:27 AM AST 7:13 PM AST
Nautical Twilight 4:59 AM AST 7:41 PM AST
Astronomical Twilight 4:31 AM AST 8:09 PM AST
Moon 1:35 AM AST (5/14) 1:50 PM AST (5/14)
Length of Visible Light 13h 46m
Length of Day
12h 59m
Waning Crescent, 33% of the Moon is Illuminated
May 14
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
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 79.0 °F - 75.0 °F 88% 30.01 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
1:56 AM 79.0 °F - 75.0 °F 88% 29.99 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
2:56 AM 79.0 °F - 73.9 °F 84% 29.97 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
3:56 AM 78.1 °F - 73.0 °F 84% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 78.1 °F - 73.0 °F 84% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 77.0 °F - 73.9 °F 90% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 78.1 °F - 73.0 °F 84% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 30.03 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.03 in 9.0 mi ENE 5.8 mph - N/A   Scattered Clouds
9:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 30.04 in 9.0 mi East 9.2 mph - N/A   Partly Cloudy
10:56 AM 86.0 °F 95.1 °F 75.0 °F 70% 30.02 in 10.0 mi ENE 13.8 mph - N/A   Scattered Clouds
11:56 AM 86.0 °F 93.8 °F 73.9 °F 67% 30.01 in 10.0 mi NE 12.7 mph - N/A   Partly Cloudy
12:56 PM 86.0 °F 93.0 °F 73.0 °F 65% 30.00 in 10.0 mi NE 16.1 mph - N/A   Partly Cloudy
1:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.99 in 10.0 mi ENE 18.4 mph - N/A   Scattered Clouds
2:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.97 in 10.0 mi ENE 16.1 mph 24.2 mph N/A   Scattered Clouds
3:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.97 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
4:56 PM 82.0 °F 87.4 °F 73.0 °F 74% 29.97 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
5:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.98 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
6:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.99 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
7:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.01 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
8:56 PM 79.0 °F - 73.0 °F 82% 30.02 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
9:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 30.03 in 10.0 mi ESE 5.8 mph - 0.00 in   Scattered Clouds
10:56 PM 78.1 °F - 73.9 °F 87% 30.03 in 10.0 mi East 5.8 mph - 0.00 in   Scattered Clouds
11:56 PM 79.0 °F - 73.0 °F 82% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds