Weather History for San Juan, PR

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Saturday, October 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 83 °F 83 °F  
Max Temperature 88 °F 89 °F 93 °F (1987)
Min Temperature 77 °F 77 °F 70 °F (1957)
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 18 18  
Month to date cooling degree days 114 108  
Year to date cooling degree days 4695 4527  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 72 °F    
Average Humidity 71    
Maximum Humidity 85    
Minimum Humidity 57    
Precipitation  
Precipitation T in 0.15 in 4.35 in (1970)
Month to date precipitation 0.53 0.97  
Year to date precipitation 42.67 40.36  
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Oct. 06, 2012 Rise Set
Actual Time 6:15 AM AST 6:08 PM AST
Civil Twilight 5:53 AM AST 6:29 PM AST
Nautical Twilight 5:28 AM AST 6:55 PM AST
Astronomical Twilight 5:03 AM AST 7:20 PM AST
Moon 10:55 PM AST (10/6) 11:30 AM AST (10/6)
Length of Visible Light 12h 36m
Length of Day
11h 52m
Waning Gibbous, 65% of the Moon is Illuminated
Oct 6
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
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 81.0 °F 85.8 °F 73.0 °F 77% 29.83 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 80.1 °F 84.2 °F 73.0 °F 79% 29.81 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 79.0 °F - 73.0 °F 82% 29.79 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:56 AM 79.0 °F - 72.0 °F 79% 29.78 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 78.1 °F - 72.0 °F 81% 29.78 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 78.1 °F - 72.0 °F 81% 29.80 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 78.1 °F - 72.0 °F 81% 29.81 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 82.0 °F 86.7 °F 72.0 °F 71% 29.83 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 84.0 °F 89.0 °F 71.1 °F 65% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
9:56 AM 86.0 °F 90.1 °F 69.1 °F 57% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:56 AM 87.1 °F 92.8 °F 71.1 °F 59% 29.85 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
11:56 AM 87.1 °F 94.5 °F 73.0 °F 63% 29.84 in 10.0 mi North 10.4 mph - N/A   Scattered Clouds
12:56 PM 87.1 °F 94.5 °F 73.0 °F 63% 29.82 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
1:56 PM 87.1 °F 94.5 °F 73.0 °F 63% 29.79 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
2:56 PM 86.0 °F 92.2 °F 72.0 °F 63% 29.78 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
3:56 PM 84.0 °F 89.6 °F 72.0 °F 67% 29.78 in 9.0 mi SE 6.9 mph - 0.00 in Rain Light Rain
4:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 29.79 in 10.0 mi SW 3.5 mph - 0.00 in   Mostly Cloudy
5:56 PM 82.9 °F 88.8 °F 73.0 °F 72% 29.81 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.82 in 10.0 mi SW 4.6 mph - N/A   Overcast
7:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.86 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
9:56 PM 81.0 °F 85.2 °F 72.0 °F 74% 29.85 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 29.86 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
11:56 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.86 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy