Weather History for San Juan, PR

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Monday, May 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 83 °F 81 °F  
Max Temperature 88 °F 87 °F 95 °F (1980)
Min Temperature 77 °F 76 °F 67 °F (1962)
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 16  
Month to date cooling degree days 106 96  
Year to date cooling degree days 1841 1737  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 81    
Maximum Humidity 91    
Minimum Humidity 70    
Precipitation  
Precipitation T in 0.19 in 2.82 in (1941)
Month to date precipitation 0.60 1.17  
Year to date precipitation 10.59 13.95  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 3 mph (ENE)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 06, 2013 Rise Set
Actual Time 5:54 AM AST 6:47 PM AST
Civil Twilight 5:31 AM AST 7:10 PM AST
Nautical Twilight 5:04 AM AST 7:37 PM AST
Astronomical Twilight 4:36 AM AST 8:05 PM AST
Moon 3:27 AM AST (5/6) 4:05 PM AST (5/6)
Length of Visible Light 13h 39m
Length of Day
12h 53m
Waning Crescent, 11% of the Moon is Illuminated
May 6
Waning Crescent
May 9
New
May 18
First Quarter
May 25
Full
May 31
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 - 73.9 °F 84% 29.92 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 78.1 °F - 73.9 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 78.1 °F - 73.9 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 78.1 °F - 73.0 °F 84% 29.91 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 78.1 °F - 73.9 °F 87% 29.92 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 77.0 °F - 73.9 °F 90% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 82.9 °F 90.2 °F 75.0 °F 77% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.99 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
9:56 AM 84.9 °F 93.3 °F 75.0 °F 72% 30.00 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
10:56 AM 86.0 °F 96.0 °F 75.9 °F 72% 29.99 in 10.0 mi North 10.4 mph - N/A   Scattered Clouds
11:56 AM 86.0 °F 96.0 °F 75.9 °F 72% 29.98 in 10.0 mi North 12.7 mph - N/A   Scattered Clouds
12:56 PM 87.1 °F 98.8 °F 77.0 °F 72% 29.96 in 10.0 mi NNE 13.8 mph - N/A   Scattered Clouds
1:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.96 in 10.0 mi NE 10.4 mph - N/A Thunderstorm Thunderstorm
2:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 29.94 in 10.0 mi ESE 3.5 mph - 0.00 in Thunderstorm Thunderstorm
3:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 29.94 in 10.0 mi Calm Calm - 0.00 in Thunderstorm Thunderstorm
4:56 PM 82.0 °F 87.4 °F 73.0 °F 74% 29.95 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
5:56 PM 82.0 °F 87.4 °F 73.0 °F 74% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 PM 82.0 °F 87.4 °F 73.0 °F 74% 29.97 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
7:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.98 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
8:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 79.0 °F - 73.0 °F 82% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 79.0 °F - 73.9 °F 84% 30.01 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy