Weather History for San Juan, PR

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Monday, July 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 84 °F 83 °F  
Max Temperature 89 °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 19 18  
Month to date cooling degree days 170 162  
Year to date cooling degree days 2977 2876  
Since 1 June cooling degree days 796 711  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 73    
Maximum Humidity 85    
Minimum Humidity 61    
Precipitation  
Precipitation 0.58 in 0.17 in 1.40 in (1928)
Month to date precipitation 2.46 1.41  
Year to date precipitation 28.17 24.50  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 23 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 09, 2012 Rise Set
Actual Time 5:54 AM AST 7:04 PM AST
Civil Twilight 5:30 AM AST 7:28 PM AST
Nautical Twilight 5:01 AM AST 7:56 PM AST
Astronomical Twilight 4:32 AM AST 8:26 PM AST
Moon 11:23 PM AST (7/9) 11:16 AM AST (7/9)
Length of Visible Light 13h 58m
Length of Day
13h 10m
Waning Gibbous, 64% of the Moon is Illuminated
Jul 9
Waning Gibbous
Jul 10
Last Quarter
Jul 19
New
Jul 26
First Quarter
Aug 1
Full

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 81.0 °F 85.2 °F 72.0 °F 74% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 80.1 °F 83.8 °F 72.0 °F 76% 29.98 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
2:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 29.97 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
4:56 AM 79.0 °F - 72.0 °F 79% 29.97 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 79.0 °F - 72.0 °F 79% 29.98 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
6:56 AM 80.1 °F 83.8 °F 72.0 °F 76% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 82.9 °F 88.8 °F 73.0 °F 72% 29.99 in 10.0 mi ESE 5.8 mph - N/A   Partly Cloudy
8:56 AM 84.0 °F 90.2 °F 73.0 °F 69% 29.99 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
9:56 AM 86.0 °F 92.2 °F 72.0 °F 63% 30.00 in 10.0 mi East 13.8 mph 21.9 mph N/A   Scattered Clouds
10:56 AM 86.0 °F 91.5 °F 71.1 °F 61% 30.00 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
11:56 AM 84.0 °F 91.2 °F 73.9 °F 72% 29.99 in 10.0 mi Variable 4.6 mph - 0.00 in   Scattered Clouds
12:56 PM 87.1 °F 96.3 °F 75.0 °F 67% 29.98 in 10.0 mi ENE 13.8 mph - 0.00 in   Scattered Clouds
1:41 PM 87.8 °F 95.6 °F 73.4 °F 62% 29.98 in 10.0 mi ENE 20.7 mph - N/A   Scattered Clouds
1:56 PM 84.9 °F 90.7 °F 72.0 °F 65% 29.97 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
2:56 PM 82.9 °F 88.0 °F 72.0 °F 69% 29.97 in 10.0 mi NE 5.8 mph - 0.04 in Rain Light Rain
3:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.96 in 10.0 mi North 4.6 mph - 0.13 in   Scattered Clouds
4:56 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.96 in 10.0 mi NNE 8.1 mph - 0.07 in Rain Light Rain
5:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.96 in 10.0 mi SE 3.5 mph - 0.30 in Rain Light Rain
6:56 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.97 in 10.0 mi Calm Calm - 0.04 in Rain Light Rain
7:56 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.99 in 10.0 mi SE 3.5 mph - 0.00 in   Scattered Clouds
8:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 79.0 °F - 73.0 °F 82% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 79.0 °F - 73.0 °F 82% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds