Weather History for San Juan, PR

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 78 °F  
Max Temperature 85 °F 84 °F 92 °F (1983)
Min Temperature 73 °F 72 °F 62 °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 14 13  
Month to date cooling degree days 220 221  
Year to date cooling degree days 641 612  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 68    
Maximum Humidity 84    
Minimum Humidity 51    
Precipitation  
Precipitation T in 0.08 in 2.13 in (1989)
Month to date precipitation 2.14 1.54  
Year to date precipitation 3.92 5.30  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 21 mph    
Max Gust Speed 26 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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Astronomy

Feb. 17, 2013 Rise Set
Actual Time 6:50 AM AST 6:25 PM AST
Civil Twilight 6:28 AM AST 6:48 PM AST
Nautical Twilight 6:02 AM AST 7:13 PM AST
Astronomical Twilight 5:37 AM AST 7:39 PM AST
Moon 11:46 AM AST (2/17) 12:14 AM AST (2/17)
Length of Visible Light 12h 19m
Length of Day
11h 35m
Waxing Crescent, 48% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 75.9 °F - 68.0 °F 76% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 75.9 °F - 68.0 °F 76% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 73.9 °F - 68.0 °F 82% 30.00 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
3:56 AM 75.0 °F - 68.0 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 73.9 °F - 68.0 °F 82% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 73.0 °F - 68.0 °F 84% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 73.0 °F - 66.9 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 75.0 °F - 68.0 °F 79% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 78.1 °F - 69.1 °F 74% 30.08 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:56 AM 79.0 °F - 71.1 °F 77% 30.09 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
10:56 AM 80.1 °F 82.9 °F 69.1 °F 69% 30.09 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
11:56 AM 84.0 °F 85.8 °F 64.9 °F 53% 30.06 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
12:56 PM 84.0 °F 89.0 °F 71.1 °F 65% 30.04 in 10.0 mi ENE 18.4 mph - N/A   Scattered Clouds
1:56 PM 84.0 °F 88.4 °F 70.0 °F 63% 30.01 in 10.0 mi NE 16.1 mph 25.3 mph N/A   Scattered Clouds
2:56 PM 82.9 °F 87.0 °F 70.0 °F 65% 29.99 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
3:56 PM 82.0 °F 85.9 °F 70.0 °F 67% 29.99 in 10.0 mi East 19.6 mph 23.0 mph 0.00 in Rain Light Rain
4:56 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.99 in 10.0 mi East 9.2 mph - 0.00 in   Mostly Cloudy
5:56 PM 79.0 °F - 69.1 °F 72% 30.00 in 10.0 mi East 9.2 mph - 0.00 in   Mostly Cloudy
6:03 PM 78.8 °F - 69.8 °F 74% 30.00 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
6:56 PM 77.0 °F - 68.0 °F 74% 30.01 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
7:56 PM 78.1 °F - 66.0 °F 66% 30.03 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
8:56 PM 77.0 °F - 66.9 °F 71% 30.05 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:56 PM 75.9 °F - 66.9 °F 74% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
10:56 PM 75.0 °F - 66.0 °F 73% 30.06 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
11:56 PM 75.0 °F - 66.0 °F 73% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy