Weather History for San Juan, PR

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Friday, March 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 80 °F 78 °F  
Max Temperature 88 °F 84 °F 93 °F (1983)
Min Temperature 71 °F 72 °F 63 °F (1956)
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 15 13  
Month to date cooling degree days 15 13  
Year to date cooling degree days 811 764  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 62    
Maximum Humidity 84    
Minimum Humidity 40    
Precipitation  
Precipitation 0.02 in 0.07 in 1.26 in (1906)
Month to date precipitation 0.02 0.07  
Year to date precipitation 4.12 6.22  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 5 mph (ENE)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Mar. 01, 2013 Rise Set
Actual Time 6:42 AM AST 6:30 PM AST
Civil Twilight 6:20 AM AST 6:52 PM AST
Nautical Twilight 5:55 AM AST 7:17 PM AST
Astronomical Twilight 5:30 AM AST 7:42 PM AST
Moon 10:13 PM AST (3/1) 9:07 AM AST (3/1)
Length of Visible Light 12h 31m
Length of Day
11h 47m
Waning Gibbous, 84% of the Moon is Illuminated
Mar 1
Waning Gibbous
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
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 75.0 °F - 68.0 °F 79% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:56 AM 73.9 °F - 68.0 °F 82% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 73.9 °F - 68.0 °F 82% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 73.0 °F - 66.9 °F 81% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 72.0 °F - 66.9 °F 84% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 72.0 °F - 66.0 °F 81% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 72.0 °F - 66.9 °F 84% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 75.0 °F - 68.0 °F 79% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 79.0 °F - 66.9 °F 66% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:56 AM 80.1 °F 82.9 °F 69.1 °F 69% 30.00 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
10:56 AM 82.9 °F 85.8 °F 68.0 °F 60% 29.99 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
11:56 AM 84.9 °F 87.1 °F 66.0 °F 53% 29.97 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
12:56 PM 86.0 °F 87.6 °F 64.9 °F 49% 29.95 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
1:56 PM 87.1 °F 87.0 °F 61.0 °F 41% 29.92 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
2:56 PM 87.1 °F 88.9 °F 64.9 °F 48% 29.89 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
3:56 PM 84.9 °F 86.1 °F 64.0 °F 49% 29.88 in 10.0 mi ENE 15.0 mph - N/A   Partly Cloudy
4:56 PM 82.9 °F 84.0 °F 63.0 °F 51% 29.88 in 10.0 mi ENE 13.8 mph - N/A   Partly Cloudy
5:56 PM 80.1 °F 82.3 °F 66.9 °F 64% 29.89 in 10.0 mi East 10.4 mph - N/A   Partly Cloudy
6:56 PM 77.0 °F - 66.9 °F 71% 29.90 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
7:56 PM 78.1 °F - 64.9 °F 64% 29.91 in 10.0 mi East 5.8 mph - N/A   Clear
8:56 PM 77.0 °F - 66.9 °F 71% 29.93 in 10.0 mi SSE 3.5 mph - N/A   Clear
9:56 PM 77.0 °F - 66.9 °F 71% 29.95 in 10.0 mi SE 4.6 mph - N/A   Clear
10:56 PM 75.9 °F - 66.9 °F 74% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:56 PM 75.0 °F - 66.9 °F 76% 29.95 in 10.0 mi Calm Calm - 0.02 in   Clear