San Juan, PR

10:49 PM AST on February 07, 2016 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - May, 2012

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Sunday, May 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 83 °F 82 °F  
Max Temperature 89 °F 88 °F 92 °F (1999)
Min Temperature 77 °F 77 °F 68 °F (1957)
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 18 17  
Month to date cooling degree days 325 331  
Year to date cooling degree days 1989 1972  
Growing Degree Days 33 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 77    
Maximum Humidity 91    
Minimum Humidity 63    
Precipitation  
Precipitation 0.06 in 0.20 in 3.54 in (1987)
Month to date precipitation 4.60 3.86  
Year to date precipitation 24.87 16.64  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 10 mph (East)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events Rain    
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. 20, 2012 Rise Set
Actual Time 5:48 AM AST 6:52 PM AST
Civil Twilight 5:25 AM AST 7:16 PM AST
Nautical Twilight 4:57 AM AST 7:44 PM AST
Astronomical Twilight 4:28 AM AST 8:12 PM AST
Moon 5:25 AM AST (5/20) 6:46 PM AST (5/20)
Length of Visible Light 13h 51m
Length of Day
13h 03m
Waning Crescent, 0% of the Moon is Illuminated
May 20
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% 29.99 in 10.0 mi ESE 4.6 mph - N/A   Clear
1:56 AM 78.1 °F - 75.0 °F 90% 29.98 in 10.0 mi East 5.8 mph - N/A   Clear
2:56 AM 78.1 °F - 73.9 °F 87% 29.97 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
3:56 AM 77.0 °F - 73.0 °F 88% 29.98 in 10.0 mi ESE 9.2 mph - N/A   Partly Cloudy
4:56 AM 77.0 °F - 73.0 °F 88% 29.98 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
5:56 AM 78.1 °F - 73.9 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 78.1 °F - 75.0 °F 90% 30.00 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
7:56 AM 82.0 °F 87.4 °F 73.0 °F 74% 30.01 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
8:56 AM 84.0 °F 90.2 °F 73.0 °F 69% 30.01 in 10.0 mi East 13.8 mph - N/A   Scattered Clouds
9:56 AM 86.0 °F 93.8 °F 73.9 °F 67% 30.02 in 10.0 mi East 17.3 mph 27.6 mph N/A   Scattered Clouds
10:56 AM 87.1 °F 96.3 °F 75.0 °F 67% 30.02 in 10.0 mi ENE 18.4 mph - N/A   Scattered Clouds
11:56 AM 87.1 °F 94.5 °F 73.0 °F 63% 30.02 in 10.0 mi East 17.3 mph 21.9 mph N/A   Scattered Clouds
12:56 PM 86.0 °F 93.0 °F 73.0 °F 65% 30.00 in 9.0 mi SE 9.2 mph 24.2 mph 0.00 in Rain Light Rain
1:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.99 in 10.0 mi East 13.8 mph - 0.02 in   Scattered Clouds
2:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.97 in 10.0 mi East 13.8 mph 21.9 mph 0.04 in Rain Light Rain
3:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.96 in 10.0 mi East 17.3 mph - 0.00 in   Partly Cloudy
4:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.97 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
5:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 29.97 in 10.0 mi East 17.3 mph 24.2 mph N/A   Scattered Clouds
6:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.99 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
7:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.00 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
8:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.02 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
9:56 PM 79.0 °F - 75.0 °F 88% 30.04 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
10:56 PM 79.0 °F - 75.0 °F 88% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
11:56 PM 78.1 °F - 73.9 °F 87% 30.05 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy