Weather History for San Juan, PR

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Monday, June 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 84 °F 83 °F  
Max Temperature 87 °F 89 °F 94 °F (2005)
Min Temperature 80 °F 78 °F 70 °F (1960)
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 298 306  
Year to date cooling degree days 2546 2471  
Since 1 June cooling degree days 298 306  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 78    
Maximum Humidity 85    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in 0.15 in 2.45 in (1960)
Month to date precipitation 5.57 2.64  
Year to date precipitation 30.10 21.32  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 12 mph (ENE)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jun. 17, 2013 Rise Set
Actual Time 5:47 AM AST 7:02 PM AST
Civil Twilight 5:23 AM AST 7:26 PM AST
Nautical Twilight 4:54 AM AST 7:55 PM AST
Astronomical Twilight 4:25 AM AST 8:24 PM AST
Moon 1:16 PM AST (6/17) 12:36 AM AST (6/17)
Length of Visible Light 14h 02m
Length of Day
13h 14m
First Quarter, 60% of the Moon is Illuminated
Jun 17
First Quarter
Jun 23
Full
Jun 30
Last Quarter
Jul 8
New
Jul 15
First 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 80.1 °F 85.1 °F 75.0 °F 85% 30.05 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
1:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.04 in 10.0 mi East 10.4 mph - N/A   Partly Cloudy
2:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.04 in 10.0 mi ENE 9.2 mph - N/A   Partly Cloudy
3:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.04 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
4:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.04 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
5:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 30.04 in 8.0 mi East 8.1 mph - N/A   Scattered Clouds
6:56 AM 81.0 °F 86.7 °F 75.0 °F 82% 30.06 in 8.0 mi East 8.1 mph - N/A   Partly Cloudy
7:56 AM 82.0 °F 88.6 °F 75.0 °F 79% 30.06 in 8.0 mi East 11.5 mph - N/A   Scattered Clouds
8:56 AM 82.9 °F 89.4 °F 73.9 °F 74% 30.07 in 8.0 mi East 13.8 mph - N/A   Scattered Clouds
9:56 AM 84.0 °F 90.2 °F 73.0 °F 69% 30.08 in 8.0 mi East 16.1 mph - N/A   Scattered Clouds
10:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 30.08 in 8.0 mi East 15.0 mph 23.0 mph N/A   Scattered Clouds
11:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 30.08 in 8.0 mi ENE 15.0 mph 20.7 mph N/A   Scattered Clouds
12:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 30.06 in 8.0 mi ENE 12.7 mph 19.6 mph N/A   Scattered Clouds
1:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 30.05 in 9.0 mi ENE 15.0 mph 23.0 mph N/A   Scattered Clouds
2:56 PM 86.0 °F 95.1 °F 75.0 °F 70% 30.05 in 9.0 mi NE 15.0 mph 20.7 mph N/A   Scattered Clouds
3:56 PM 86.0 °F 96.0 °F 75.9 °F 72% 30.04 in 9.0 mi NE 15.0 mph 24.2 mph N/A   Scattered Clouds
4:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 30.03 in 9.0 mi East 16.1 mph 23.0 mph N/A   Scattered Clouds
5:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 30.04 in 9.0 mi ENE 16.1 mph 21.9 mph N/A   Scattered Clouds
6:56 PM 82.0 °F 87.4 °F 73.0 °F 74% 30.06 in 9.0 mi East 12.7 mph - N/A   Scattered Clouds
7:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 30.07 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
8:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 30.08 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
9:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.06 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
10:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 30.08 in 10.0 mi East 10.4 mph 18.4 mph N/A   Scattered Clouds
11:56 PM 80.1 °F 83.8 °F 72.0 °F 76% 30.07 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy