San Juan, PR

7:17 AM AST on February 12, 2016 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - September, 2012

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Monday, September 24, 2012

  Actual Average Record
Temperature  
Mean Temperature 86 °F 83 °F  
Max Temperature 92 °F 89 °F 94 °F (2004)
Min Temperature 80 °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 21 18  
Month to date cooling degree days 488 447  
Year to date cooling degree days 4466 4311  
Growing Degree Days 36 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 71    
Maximum Humidity 85    
Minimum Humidity 56    
Precipitation  
Precipitation T in 0.18 in 1.75 in (1934)
Month to date precipitation 0.45 4.72  
Year to date precipitation 40.46 38.34  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 8 mph (ENE)    
Max Wind Speed 20 mph    
Max Gust Speed 24 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

Sep. 24, 2012 Rise Set
Actual Time 6:13 AM AST 6:18 PM AST
Civil Twilight 5:51 AM AST 6:39 PM AST
Nautical Twilight 5:26 AM AST 7:05 PM AST
Astronomical Twilight 5:00 AM AST 7:30 PM AST
Moon 2:24 PM AST (9/24) 1:06 AM AST (9/24)
Length of Visible Light 12h 48m
Length of Day
12h 04m
Waxing Gibbous, 70% of the Moon is Illuminated
Sep 24
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 82.9 °F 89.4 °F 73.9 °F 74% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:56 AM 82.9 °F 89.4 °F 73.9 °F 74% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 29.97 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 29.98 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 80.1 °F 85.1 °F 75.0 °F 85% 29.99 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
5:56 AM 81.0 °F 86.7 °F 75.0 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 AM 81.0 °F 86.2 °F 73.9 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 84.0 °F 91.9 °F 75.0 °F 74% 30.01 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
8:56 AM 86.0 °F 96.0 °F 75.9 °F 72% 30.02 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
9:56 AM 87.1 °F 94.5 °F 73.0 °F 63% 30.02 in 10.0 mi East 13.8 mph - N/A   Scattered Clouds
10:56 AM 89.1 °F 97.0 °F 73.0 °F 59% 30.02 in 10.0 mi ENE 15.0 mph - N/A   Scattered Clouds
11:56 AM 89.1 °F 97.0 °F 73.0 °F 59% 30.00 in 10.0 mi ENE 11.5 mph 19.6 mph N/A   Scattered Clouds
12:56 PM 91.0 °F 100.4 °F 73.9 °F 57% 29.97 in 10.0 mi NE 15.0 mph - N/A   Scattered Clouds
1:56 PM 91.0 °F 99.3 °F 73.0 °F 55% 29.94 in 10.0 mi ENE 17.3 mph - N/A   Scattered Clouds
2:56 PM 90.0 °F 99.0 °F 73.9 °F 59% 29.93 in 9.0 mi NE 18.4 mph - N/A   Scattered Clouds
3:56 PM 88.0 °F 96.5 °F 73.9 °F 63% 29.92 in 9.0 mi ENE 15.0 mph - N/A   Scattered Clouds
4:56 PM 87.1 °F 96.3 °F 75.0 °F 67% 29.93 in 9.0 mi ENE 16.1 mph - N/A   Scattered Clouds
5:56 PM 84.9 °F 92.1 °F 73.9 °F 69% 29.94 in 9.0 mi East 11.5 mph - N/A   Scattered Clouds
6:56 PM 84.9 °F 93.3 °F 75.0 °F 72% 29.96 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
7:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.98 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
8:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.99 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
9:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 30.00 in 10.0 mi East 9.2 mph - N/A   Partly Cloudy
10:56 PM 84.0 °F 91.2 °F 73.9 °F 72% 30.00 in 10.0 mi ENE 11.5 mph - N/A   Mostly Cloudy
11:56 PM 82.0 °F 86.7 °F 72.0 °F 71% 30.00 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds