Weather History for San Juan, PR

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Wednesday, September 24, 2014

  Actual Average Record
Temperature  
Mean Temperature 83 °F 83 °F  
Max Temperature 88 °F 89 °F 94 °F (2004)
Min Temperature 78 °F 78 °F 70 °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 18 18  
Month to date cooling degree days 444 447  
Year to date cooling degree days 4659 4311  
Growing Degree Days 33 (Base 50)    
Moisture  
Dew Point 77 °F    
Average Humidity 85    
Maximum Humidity 97    
Minimum Humidity 72    
Precipitation  
Precipitation 0.23 in 0.18 in 1.75 in (1934)
Month to date precipitation 5.63 4.72  
Year to date precipitation 38.35 38.34  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 4 mph (ENE)    
Max Wind Speed 20 mph    
Max Gust Speed 23 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

Sep. 24, 2014 Rise Set
Actual Time 6:13 AM AST 6:18 PM AST
Civil Twilight 5:51 AM AST 6:40 PM AST
Nautical Twilight 5:26 AM AST 7:05 PM AST
Astronomical Twilight 5:00 AM AST 7:30 PM AST
Moon 6:24 AM AST (9/24) 6:36 PM AST (9/24)
Length of Visible Light 12h 48m
Length of Day
12h 05m
New Moon, 0% of the Moon is Illuminated
Sep 24
New Moon
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter
Oct 23
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 81.0 °F 87.9 °F 77.0 °F 88% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 29.96 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
3:56 AM 79.0 °F - 77.0 °F 94% 29.96 in 10.0 mi East 4.6 mph - 0.00 in   Scattered Clouds
4:56 AM 78.1 °F - 77.0 °F 96% 29.95 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 79.0 °F - 77.0 °F 94% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 79.0 °F - 75.9 °F 90% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 82.0 °F 93.7 °F 81.0 °F 97% 30.01 in 10.0 mi Calm Calm - 0.04 in   Mostly Cloudy
9:56 AM 80.1 °F 85.8 °F 77.0 °F 90% 30.03 in 9.0 mi East 9.2 mph - 0.13 in Rain Rain
10:56 AM 87.1 °F 99.8 °F 78.1 °F 74% 30.01 in 10.0 mi ENE 11.5 mph - 0.04 in   Scattered Clouds
11:56 AM 87.1 °F 99.8 °F 78.1 °F 74% 30.00 in 10.0 mi NE 16.1 mph 23.0 mph N/A   Scattered Clouds
12:56 PM 87.1 °F 99.8 °F 78.1 °F 74% 29.98 in 10.0 mi East 18.4 mph - N/A   Scattered Clouds
1:56 PM 88.0 °F 101.3 °F 78.1 °F 72% 29.96 in 10.0 mi NE 16.1 mph - N/A   Scattered Clouds
2:56 PM 87.1 °F 98.8 °F 77.0 °F 72% 29.95 in 10.0 mi NE 15.0 mph - N/A   Scattered Clouds
3:56 PM 84.0 °F 96.0 °F 79.0 °F 85% 29.95 in 10.0 mi East 10.4 mph - 0.00 in Rain Light Rain
4:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 29.97 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
5:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 PM 81.0 °F 86.7 °F 75.0 °F 82% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 PM 82.0 °F 90.2 °F 77.0 °F 85% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 PM 81.0 °F 87.3 °F 75.9 °F 85% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 PM 81.0 °F 87.9 °F 77.0 °F 88% 29.99 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
10:56 PM 81.0 °F 87.9 °F 77.0 °F 88% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:56 PM 80.1 °F 85.8 °F 77.0 °F 90% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy