Weather History for San Juan, PR

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Sunday, March 27, 2011

  Actual Average Record
Temperature  
Mean Temperature 81 °F 79 °F  
Max Temperature 88 °F 85 °F 90 °F (1958)
Min Temperature 74 °F 73 °F 67 °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 16 14  
Month to date cooling degree days 338 372  
Year to date cooling degree days 1086 1123  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 71    
Maximum Humidity 87    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.07 in 1.32 in (1925)
Month to date precipitation 1.13 1.66  
Year to date precipitation 6.03 7.81  
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 30.01 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 21 mph    
Max Gust Speed 29 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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Date:

Astronomy

Mar. 27, 2011 Rise Set
Actual Time 6:22 AM AST 6:36 PM AST
Civil Twilight 6:00 AM AST 6:58 PM AST
Nautical Twilight 5:35 AM AST 7:23 PM AST
Astronomical Twilight 5:09 AM AST 7:49 PM AST
Moon 1:40 AM AST (3/27) 1:04 PM AST (3/27)
Length of Visible Light 12h 57m
Length of Day
12h 13m
Last Quarter, 38% of the Moon is Illuminated
Mar 27
Last Quarter
Apr 3
New
Apr 11
First Quarter
Apr 17
Full
Apr 24
Last 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 75.9 °F - 72.0 °F 87% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 75.9 °F - 71.1 °F 85% 30.00 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
2:56 AM 75.0 °F - 71.1 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 75.0 °F - 71.1 °F 87% 29.97 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
4:56 AM 75.0 °F - 71.1 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 73.9 °F - 70.0 °F 87% 29.99 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
6:56 AM 73.9 °F - 70.0 °F 87% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 78.1 °F - 71.1 °F 79% 30.04 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
8:56 AM 80.1 °F 83.6 °F 71.1 °F 74% 30.05 in 10.0 mi ESE 5.8 mph - N/A   Scattered Clouds
9:56 AM 82.9 °F 85.8 °F 68.0 °F 60% 30.05 in 10.0 mi East 15.0 mph - N/A   Mostly Cloudy
10:56 AM 84.9 °F 88.2 °F 68.0 °F 57% 30.05 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
11:56 AM 86.0 °F 90.7 °F 70.0 °F 59% 30.04 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
12:56 PM 86.0 °F 90.7 °F 70.0 °F 59% 30.01 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
1:56 PM 84.9 °F 88.8 °F 69.1 °F 59% 29.97 in 10.0 mi East 20.7 mph 28.8 mph N/A   Scattered Clouds
2:56 PM 86.0 °F 89.4 °F 68.0 °F 55% 29.96 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
3:56 PM 82.9 °F 86.5 °F 69.1 °F 63% 29.95 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
4:56 PM 82.9 °F 86.5 °F 69.1 °F 63% 29.96 in 10.0 mi East 13.8 mph 19.6 mph N/A   Partly Cloudy
5:56 PM 81.0 °F 84.4 °F 70.0 °F 69% 29.98 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
6:56 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.99 in 10.0 mi ESE 6.9 mph - N/A   Partly Cloudy
7:56 PM 78.1 °F - 70.0 °F 76% 30.01 in 10.0 mi East 9.2 mph - N/A   Clear
8:56 PM 75.9 °F - 71.1 °F 85% 30.03 in 10.0 mi East 10.4 mph - N/A   Clear
9:56 PM 75.9 °F - 71.1 °F 85% 30.04 in 10.0 mi East 8.1 mph - N/A   Clear
10:56 PM 75.9 °F - 71.1 °F 85% 30.04 in 10.0 mi East 5.8 mph - N/A   Clear
11:56 PM 75.9 °F - 70.0 °F 82% 30.04 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy