San Juan, PR

12:24 PM AST on October 20, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - December, 2011

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Sunday, December 4, 2011

  Actual Average Record
Temperature  
Mean Temperature 77 °F 79 °F  
Max Temperature 83 °F 84 °F 91 °F (1989)
Min Temperature 71 °F 74 °F 67 °F (1913)
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 12 14  
Month to date cooling degree days 56 56  
Year to date cooling degree days 5272 5482  
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 70    
Maximum Humidity 84    
Minimum Humidity 55    
Precipitation  
Precipitation 0.01 in 0.17 in 2.28 in (1947)
Month to date precipitation 0.29 0.70  
Year to date precipitation 80.25 52.03  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 14 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 04, 2011 Rise Set
Actual Time 6:41 AM AST 5:46 PM AST
Civil Twilight 6:17 AM AST 6:10 PM AST
Nautical Twilight 5:50 AM AST 6:37 PM AST
Astronomical Twilight 5:24 AM AST 7:04 PM AST
Moon 1:43 PM AST (12/4) 1:39 AM AST (12/4)
Length of Visible Light 11h 52m
Length of Day
11h 05m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 4
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First 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 77.0 °F - 63.0 °F 62% 29.94 in 10.0 mi ENE 8.1 mph - N/A   Partly Cloudy
1:56 AM 78.1 °F - 64.0 °F 62% 29.92 in 10.0 mi NE 6.9 mph - N/A   Partly Cloudy
2:56 AM 75.9 °F - 64.0 °F 67% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 73.0 °F - 64.9 °F 76% 29.89 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
4:56 AM 72.0 °F - 66.0 °F 81% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 72.0 °F - 64.9 °F 78% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 73.0 °F - 66.0 °F 79% 29.92 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 75.9 °F - 66.9 °F 74% 29.92 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
8:56 AM 79.0 °F - 66.0 °F 64% 29.94 in 10.0 mi NNE 10.4 mph - N/A   Scattered Clouds
9:56 AM 80.1 °F 82.1 °F 66.0 °F 62% 29.94 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
10:56 AM 82.0 °F 84.1 °F 66.0 °F 58% 29.94 in 10.0 mi NNE 12.7 mph - 0.01 in   Scattered Clouds
11:56 AM 82.0 °F 84.1 °F 66.0 °F 58% 29.93 in 10.0 mi NNE 12.7 mph - N/A   Scattered Clouds
12:56 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.91 in 10.0 mi NNE 12.7 mph - N/A   Scattered Clouds
1:56 PM 82.0 °F 83.8 °F 64.9 °F 56% 29.88 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
2:56 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.86 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
3:56 PM 81.0 °F 82.7 °F 64.9 °F 58% 29.86 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
4:56 PM 80.1 °F 82.1 °F 66.0 °F 62% 29.87 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
5:56 PM 79.0 °F - 66.0 °F 64% 29.87 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
6:56 PM 79.0 °F - 66.0 °F 64% 29.88 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
7:56 PM 79.0 °F - 66.0 °F 64% 29.89 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
8:56 PM 79.0 °F - 66.9 °F 66% 29.90 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
9:56 PM 79.0 °F - 66.9 °F 66% 29.90 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
10:56 PM 79.0 °F - 68.0 °F 69% 29.89 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
11:56 PM 79.0 °F - 68.0 °F 69% 29.89 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds