Weather History for San Juan, PR

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Wednesday, July 9, 2014

  Actual Average Record
Temperature  
Mean Temperature 85 °F 83 °F  
Max Temperature 91 °F 89 °F 93 °F (1995)
Min Temperature 79 °F 78 °F 70 °F (1928)
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 20 18  
Month to date cooling degree days 188 162  
Year to date cooling degree days 3204 2876  
Since 1 June cooling degree days 798 711  
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 75    
Maximum Humidity 91    
Minimum Humidity 59    
Precipitation  
Precipitation 0.13 in 0.17 in 1.40 in (1928)
Month to date precipitation 0.86 1.41  
Year to date precipitation 20.04 24.50  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 12 mph (ENE)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jul. 09, 2014 Rise Set
Actual Time 5:53 AM AST 7:04 PM AST
Civil Twilight 5:29 AM AST 7:28 PM AST
Nautical Twilight 5:01 AM AST 7:57 PM AST
Astronomical Twilight 4:32 AM AST 8:26 PM AST
Moon 4:20 PM AST (7/9) 2:57 AM AST (7/9)
Length of Visible Light 13h 58m
Length of Day
13h 10m
Waxing Gibbous, 89% of the Moon is Illuminated
Jul 9
Waxing Gibbous
Jul 12
Full
Jul 18
Last Quarter
Jul 26
New
Aug 3
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 82.9 °F 88.0 °F 72.0 °F 69% 30.11 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
1:56 AM 80.1 °F 83.8 °F 72.0 °F 76% 30.10 in 9.0 mi NE 11.5 mph 19.6 mph 0.01 in Rain Light Rain
2:56 AM 81.0 °F 86.2 °F 73.9 °F 79% 30.09 in 9.0 mi East 10.4 mph 17.3 mph 0.00 in Rain Light Rain
3:56 AM 79.0 °F - 73.0 °F 82% 30.08 in 10.0 mi East 3.5 mph - 0.01 in   Scattered Clouds
4:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 30.08 in 9.0 mi SE 4.6 mph - 0.04 in Rain Light Rain
5:56 AM 79.0 °F - 75.9 °F 90% 30.09 in 10.0 mi SE 3.5 mph - 0.05 in   Scattered Clouds
6:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.10 in 10.0 mi Calm Calm - 0.01 in   Scattered Clouds
7:56 AM 82.9 °F 90.2 °F 75.0 °F 77% 30.11 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
8:56 AM 84.9 °F 92.1 °F 73.9 °F 69% 30.11 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
9:56 AM 87.1 °F 94.5 °F 73.0 °F 63% 30.11 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
10:56 AM 88.0 °F 96.5 °F 73.9 °F 63% 30.11 in 10.0 mi NE 16.1 mph 21.9 mph 0.01 in   Scattered Clouds
11:56 AM 89.1 °F 98.0 °F 73.9 °F 61% 30.10 in 10.0 mi NE 20.7 mph 25.3 mph N/A   Scattered Clouds
12:56 PM 89.1 °F 98.0 °F 73.9 °F 61% 30.09 in 10.0 mi NE 20.7 mph - N/A   Partly Cloudy
1:56 PM 89.1 °F 99.1 °F 75.0 °F 63% 30.08 in 10.0 mi NE 23.0 mph - 0.01 in   Scattered Clouds
2:56 PM 89.1 °F 97.0 °F 73.0 °F 59% 30.06 in 10.0 mi NE 17.3 mph 27.6 mph N/A   Scattered Clouds
3:56 PM 84.9 °F 90.7 °F 72.0 °F 65% 30.06 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
4:56 PM 84.9 °F 93.3 °F 75.0 °F 72% 30.04 in 10.0 mi ENE 13.8 mph - N/A   Scattered Clouds
5:56 PM 84.0 °F 90.2 °F 73.0 °F 69% 30.06 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
6:56 PM 84.0 °F 90.2 °F 73.0 °F 69% 30.07 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
7:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 30.09 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
8:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 30.10 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
9:56 PM 82.0 °F 87.4 °F 73.0 °F 74% 30.10 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
10:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 30.11 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
11:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 30.09 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds