San Juan, PR

4:07 AM AST on December 11, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - September, 2014

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Friday, September 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 85 °F 84 °F  
Max Temperature 90 °F 89 °F 94 °F (2011)
Min Temperature 80 °F 78 °F 72 °F (1961)
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 20 19  
Month to date cooling degree days 222 228  
Year to date cooling degree days 4437 4092  
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 77 °F    
Average Humidity 79    
Maximum Humidity 94    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in 0.20 in 2.90 in (1905)
Month to date precipitation 1.94 2.50  
Year to date precipitation 34.66 36.12  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 9 mph (East)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 9 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. 12, 2014 Rise Set
Actual Time 6:11 AM AST 6:28 PM AST
Civil Twilight 5:49 AM AST 6:50 PM AST
Nautical Twilight 5:23 AM AST 7:16 PM AST
Astronomical Twilight 4:58 AM AST 7:41 PM AST
Moon 9:25 PM AST (9/12) 9:34 AM AST (9/12)
Length of Visible Light 13h 01m
Length of Day
12h 17m
Waning Gibbous, 83% of the Moon is Illuminated
Sep 12
Waning Gibbous
Sep 15
Last Quarter
Sep 24
New
Oct 1
First Quarter
Oct 8
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 82.0 °F 91.0 °F 78.1 °F 88% 29.96 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
1:56 AM 81.0 °F 88.6 °F 78.1 °F 91% 29.95 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
2:56 AM 81.0 °F 87.9 °F 77.0 °F 88% 29.95 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
3:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.96 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
4:56 AM 81.0 °F 87.3 °F 75.9 °F 85% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 80.1 °F 85.4 °F 75.9 °F 87% 29.97 in 10.0 mi ESE 3.5 mph - 0.01 in   Scattered Clouds
6:56 AM 80.1 °F 85.4 °F 75.9 °F 87% 29.98 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
7:56 AM 82.9 °F 91.8 °F 77.0 °F 82% 30.00 in 8.0 mi ESE 5.8 mph - N/A   Scattered Clouds
8:56 AM 86.0 °F 98.3 °F 78.1 °F 77% 30.01 in 8.0 mi East 10.4 mph - N/A   Scattered Clouds
9:56 AM 88.0 °F 101.3 °F 78.1 °F 72% 30.02 in 8.0 mi ENE 10.4 mph - N/A   Scattered Clouds
10:56 AM 87.1 °F 97.3 °F 75.9 °F 69% 30.01 in 8.0 mi East 17.3 mph - N/A   Scattered Clouds
11:56 AM 88.0 °F 101.3 °F 78.1 °F 72% 29.99 in 8.0 mi ENE 13.8 mph - N/A   Scattered Clouds
12:56 PM 88.0 °F 100.2 °F 77.0 °F 70% 29.97 in 8.0 mi NE 17.3 mph - N/A   Scattered Clouds
1:56 PM 90.0 °F 104.5 °F 78.1 °F 68% 29.96 in 8.0 mi ENE 18.4 mph 23.0 mph N/A   Scattered Clouds
2:56 PM 89.1 °F 101.4 °F 77.0 °F 67% 29.95 in 8.0 mi NE 15.0 mph - N/A   Partly Cloudy
3:56 PM 88.0 °F 95.6 °F 73.0 °F 61% 29.95 in 8.0 mi ENE 13.8 mph - N/A   Partly Cloudy
4:56 PM 87.1 °F 95.4 °F 73.9 °F 65% 29.96 in 9.0 mi NE 16.1 mph - N/A   Partly Cloudy
5:56 PM 84.9 °F 93.3 °F 75.0 °F 72% 29.97 in 9.0 mi ENE 12.7 mph - N/A   Partly Cloudy
6:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.97 in 9.0 mi East 10.4 mph - N/A   Partly Cloudy
7:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 29.97 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
8:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 30.00 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
9:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 30.02 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
10:56 PM 82.9 °F 90.8 °F 75.9 °F 79% 30.02 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
11:56 PM 82.0 °F 89.4 °F 75.9 °F 82% 30.01 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy