San Juan, PR

8:23 AM AST on April 28, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - September, 2012

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Tuesday, September 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 83 °F 83 °F  
Max Temperature 89 °F 89 °F 96 °F (1987)
Min Temperature 76 °F 78 °F 70 °F (1960)
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 506 465  
Year to date cooling degree days 4484 4329  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 74    
Maximum Humidity 85    
Minimum Humidity 63    
Precipitation  
Precipitation 0.36 in 0.18 in 3.94 in (1964)
Month to date precipitation 0.81 4.90  
Year to date precipitation 40.82 38.52  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain , Thunderstorm    
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

Sep. 25, 2012 Rise Set
Actual Time 6:13 AM AST 6:17 PM AST
Civil Twilight 5:51 AM AST 6:38 PM AST
Nautical Twilight 5:26 AM AST 7:04 PM AST
Astronomical Twilight 5:01 AM AST 7:29 PM AST
Moon 3:10 PM AST (9/25) 2:04 AM AST (9/25)
Length of Visible Light 12h 47m
Length of Day
12h 03m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 25
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
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 80.1 °F 84.5 °F 73.9 °F 81% 29.99 in 10.0 mi East 9.2 mph - 0.00 in Rain Light Rain
1:56 AM 79.0 °F - 73.9 °F 84% 29.98 in 10.0 mi SSE 3.5 mph - 0.00 in   Scattered Clouds
2:56 AM 78.1 °F - 72.0 °F 81% 29.97 in 10.0 mi SE 4.6 mph - 0.10 in   Scattered Clouds
3:56 AM 78.1 °F - 73.0 °F 84% 29.96 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
4:25 AM 78.8 °F - 73.4 °F 83% 29.98 in 5.0 mi East 16.1 mph 26.5 mph 0.00 in Rain , Thunderstorm Thunderstorms and Rain
4:56 AM 75.9 °F - 73.0 °F 91% 29.96 in 10.0 mi SE 3.5 mph - 0.26 in Rain Light Rain
5:56 AM 77.0 °F - 73.9 °F 90% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 77.0 °F - 72.0 °F 84% 29.98 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
7:56 AM 81.0 °F 86.7 °F 75.0 °F 82% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 84.0 °F 92.6 °F 75.9 °F 76% 30.01 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
9:56 AM 88.0 °F 98.5 °F 75.9 °F 67% 30.02 in 10.0 mi East 15.0 mph - N/A   Scattered Clouds
10:56 AM 88.0 °F 97.5 °F 75.0 °F 65% 30.01 in 10.0 mi ENE 13.8 mph - N/A   Scattered Clouds
11:56 AM 88.0 °F 97.5 °F 75.0 °F 65% 30.01 in 10.0 mi ENE 15.0 mph 20.7 mph N/A   Scattered Clouds
12:56 PM 87.1 °F 95.4 °F 73.9 °F 65% 29.99 in 10.0 mi ENE 17.3 mph 20.7 mph N/A   Scattered Clouds
1:56 PM 86.0 °F 93.8 °F 73.9 °F 67% 29.97 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
2:56 PM 86.0 °F 95.1 °F 75.0 °F 70% 29.96 in 9.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
3:56 PM 86.0 °F 95.1 °F 75.0 °F 70% 29.96 in 9.0 mi ENE 11.5 mph - N/A   Mostly Cloudy
4:56 PM 84.9 °F 93.3 °F 75.0 °F 72% 29.96 in 9.0 mi East 8.1 mph - N/A   Mostly Cloudy
5:56 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.96 in 9.0 mi East 6.9 mph - N/A   Mostly Cloudy
6:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 29.96 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
7:56 PM 82.0 °F 89.4 °F 75.9 °F 82% 29.98 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
8:56 PM 81.0 °F 85.8 °F 73.0 °F 77% 29.99 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
9:56 PM 82.0 °F 87.9 °F 73.9 °F 76% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:56 PM 81.0 °F 86.7 °F 75.0 °F 82% 29.99 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
11:56 PM 82.0 °F 88.6 °F 75.0 °F 79% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds