Weather History for San Juan, PR

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Monday, July 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 84 °F 83 °F  
Max Temperature 88 °F 89 °F 92 °F (1980)
Min Temperature 80 °F 78 °F 71 °F (1959)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 19 18  
Month to date cooling degree days 438 414  
Year to date cooling degree days 3245 3128  
Since 1 June cooling degree days 1064 963  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 69    
Maximum Humidity 79    
Minimum Humidity 59    
Precipitation  
Precipitation 0.02 in 0.16 in 3.66 in (1926)
Month to date precipitation 4.92 3.80  
Year to date precipitation 30.63 26.89  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 15 mph (ENE)    
Max Wind Speed 23 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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Astronomy

Jul. 23, 2012 Rise Set
Actual Time 5:58 AM AST 7:01 PM AST
Civil Twilight 5:35 AM AST 7:25 PM AST
Nautical Twilight 5:07 AM AST 7:53 PM AST
Astronomical Twilight 4:39 AM AST 8:21 PM AST
Moon 9:55 AM AST (7/23) 10:08 PM AST (7/23)
Length of Visible Light 13h 50m
Length of Day
13h 02m
Waxing Crescent, 21% of the Moon is Illuminated
Jul 23
Waxing Crescent
Jul 26
First Quarter
Aug 1
Full
Aug 9
Last Quarter
Aug 17
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 82.0 °F 87.9 °F 73.9 °F 76% 30.09 in 10.0 mi ENE 9.2 mph - N/A   Partly Cloudy
1:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.09 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
2:56 AM 82.9 °F 89.4 °F 73.9 °F 74% 30.08 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
3:56 AM 82.9 °F 88.8 °F 73.0 °F 72% 30.07 in 10.0 mi ENE 13.8 mph - N/A   Scattered Clouds
4:56 AM 82.9 °F 88.8 °F 73.0 °F 72% 30.08 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
5:56 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.09 in 10.0 mi East 11.5 mph 20.7 mph 0.02 in   Scattered Clouds
6:56 AM 82.0 °F 88.6 °F 75.0 °F 79% 30.09 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
7:56 AM 84.0 °F 89.6 °F 72.0 °F 67% 30.11 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
8:56 AM 84.0 °F 89.6 °F 72.0 °F 67% 30.11 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
9:56 AM 86.0 °F 92.2 °F 72.0 °F 63% 30.10 in 10.0 mi East 19.6 mph - N/A   Scattered Clouds
10:56 AM 87.1 °F 93.6 °F 72.0 °F 61% 30.09 in 10.0 mi ENE 19.6 mph - N/A   Scattered Clouds
11:56 AM 87.1 °F 94.5 °F 73.0 °F 63% 30.08 in 10.0 mi ENE 16.1 mph - N/A   Scattered Clouds
12:56 PM 88.0 °F 96.5 °F 73.9 °F 63% 30.07 in 10.0 mi ENE 19.6 mph 24.2 mph N/A   Scattered Clouds
1:56 PM 88.0 °F 95.6 °F 73.0 °F 61% 30.06 in 10.0 mi East 18.4 mph 26.5 mph N/A   Partly Cloudy
2:56 PM 87.1 °F 94.5 °F 73.0 °F 63% 30.04 in 10.0 mi ENE 19.6 mph 27.6 mph N/A   Scattered Clouds
3:56 PM 87.1 °F 93.6 °F 72.0 °F 61% 30.04 in 10.0 mi East 21.9 mph - N/A   Scattered Clouds
4:56 PM 86.0 °F 92.2 °F 72.0 °F 63% 30.04 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
5:56 PM 84.9 °F 90.7 °F 72.0 °F 65% 30.04 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
6:56 PM 82.9 °F 87.5 °F 71.1 °F 67% 30.05 in 10.0 mi ENE 12.7 mph - N/A   Scattered Clouds
7:56 PM 82.9 °F 88.0 °F 72.0 °F 69% 30.06 in 10.0 mi ENE 15.0 mph - N/A   Partly Cloudy
8:56 PM 82.9 °F 88.0 °F 72.0 °F 69% 30.07 in 10.0 mi East 13.8 mph - N/A   Scattered Clouds
9:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 30.09 in 10.0 mi East 15.0 mph - 0.00 in   Scattered Clouds
10:56 PM 81.0 °F 84.4 °F 70.0 °F 69% 30.09 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
11:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 30.07 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds