Weather History for San Juan, PR

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Saturday, January 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 78 °F 78 °F  
Max Temperature 83 °F 83 °F 88 °F (1978)
Min Temperature 73 °F 72 °F 66 °F (1961)
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 13 13  
Month to date cooling degree days 183 182  
Year to date cooling degree days 183 182  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 73    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation 0.03 in 0.12 in 3.51 in (2010)
Month to date precipitation 1.08 1.93  
Year to date precipitation 1.08 1.93  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 14, 2012 Rise Set
Actual Time 6:59 AM AST 6:07 PM AST
Civil Twilight 6:35 AM AST 6:30 PM AST
Nautical Twilight 6:08 AM AST 6:57 PM AST
Astronomical Twilight 5:42 AM AST 7:23 PM AST
Moon 11:21 PM AST (1/14) 10:38 AM AST (1/14)
Length of Visible Light 11h 54m
Length of Day
11h 07m
Waning Gibbous, 69% of the Moon is Illuminated
Jan 14
Waning Gibbous
Jan 16
Last Quarter
Jan 23
New
Jan 31
First Quarter
Feb 7
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 75.9 °F - 68.0 °F 76% 30.09 in 10.0 mi ESE 8.1 mph - N/A   Scattered Clouds
1:56 AM 75.9 °F - 69.1 °F 79% 30.07 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
2:56 AM 73.9 °F - 70.0 °F 87% 30.05 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
3:56 AM 73.0 °F - 68.0 °F 84% 30.05 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
4:56 AM 75.9 °F - 66.9 °F 74% 30.07 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
5:56 AM 73.9 °F - 70.0 °F 87% 30.09 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain
6:56 AM 73.9 °F - 68.0 °F 82% 30.10 in 10.0 mi ESE 4.6 mph - 0.00 in   Scattered Clouds
7:56 AM 75.0 °F - 69.1 °F 82% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 78.1 °F - 69.1 °F 74% 30.15 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
9:56 AM 75.9 °F - 70.0 °F 82% 30.16 in 10.0 mi East 12.7 mph 23.0 mph 0.02 in   Mostly Cloudy
10:56 AM 80.1 °F 83.6 °F 71.1 °F 74% 30.15 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
11:56 AM 82.0 °F 84.9 °F 68.0 °F 62% 30.13 in 10.0 mi East 13.8 mph - N/A   Scattered Clouds
12:56 PM 82.9 °F 85.4 °F 66.9 °F 58% 30.11 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
1:56 PM 82.9 °F 85.8 °F 68.0 °F 60% 30.09 in 10.0 mi ENE 16.1 mph 20.7 mph N/A   Scattered Clouds
2:56 PM 82.0 °F 84.9 °F 68.0 °F 62% 30.06 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
3:56 PM 82.0 °F 84.9 °F 68.0 °F 62% 30.06 in 10.0 mi ENE 15.0 mph - N/A   Scattered Clouds
4:56 PM 80.1 °F 82.7 °F 68.0 °F 67% 30.07 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
5:56 PM 79.0 °F - 69.1 °F 72% 30.08 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
6:56 PM 78.1 °F - 70.0 °F 76% 30.09 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
7:56 PM 77.0 °F - 70.0 °F 79% 30.11 in 10.0 mi East 11.5 mph - N/A   Mostly Cloudy
8:56 PM 77.0 °F - 70.0 °F 79% 30.12 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
9:56 PM 77.0 °F - 69.1 °F 76% 30.12 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
10:56 PM 75.9 °F - 69.1 °F 79% 30.13 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
11:56 PM 75.0 °F - 71.1 °F 87% 30.13 in 4.0 mi ENE 6.9 mph - 0.00 in Rain Light Rain