San Juan, PR

5:45 PM AST on June 24, 2018 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - October, 2017

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Thursday, October 12, 2017

  Actual Average Record
Temperature  
Mean Temperature 84 °F 83 °F  
Max Temperature 89 °F 89 °F 97 °F (1987)
Min Temperature 78 °F 77 °F 72 °F (1962)
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 19 18  
Month to date cooling degree days 220 216  
Year to date cooling degree days 4806 4628  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 80 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 75    
Precipitation  
Precipitation 0.03 in 0.17 in 2.05 in (1926)
Month to date precipitation 2.02 1.94  
Year to date precipitation 56.49 41.33  
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 7 mph (ESE)    
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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Astronomy

Oct. 12, 2017 Rise Set
Actual Time 6:17 AM AST 6:03 PM AST
Civil Twilight 5:55 AM AST 6:25 PM AST
Nautical Twilight 5:29 AM AST 6:50 PM AST
Astronomical Twilight 5:04 AM AST 7:16 PM AST
Moon No Moon Rise 12:56 PM AST (10/12)
Length of Visible Light 12h 30m
Length of Day
11h 46m
Waning Gibbous, 49% of the Moon is Illuminated
Oct 12
Waning Gibbous
Oct 19
New
Oct 27
First Quarter
Nov 4
Full
Nov 10
Last 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 79.0 °F - 79.0 °F 100% 29.88 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
1:56 AM 79.0 °F - 79.0 °F 100% 29.86 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 79.0 °F - 79.0 °F 100% 29.85 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 79.0 °F - 79.0 °F 100% 29.85 in 10.0 mi West 3.5 mph - N/A   Clear
4:56 AM 79.0 °F - 79.0 °F 100% 29.85 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 79.0 °F - 79.0 °F 100% 29.87 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 80.1 °F 87.4 °F 80.1 °F 100% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 82.9 °F 95.9 °F 81.0 °F 94% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 86.0 °F 100.8 °F 80.1 °F 82% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 AM 87.1 °F 99.8 °F 78.1 °F 74% 29.91 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
7:56 PM 82.9 °F 95.9 °F 81.0 °F 94% 29.89 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
8:56 PM 82.9 °F 95.9 °F 81.0 °F 94% 29.91 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
9:56 PM 82.0 °F 93.7 °F 81.0 °F 97% 29.92 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
10:56 PM 82.9 °F 95.9 °F 81.0 °F 94% 29.93 in 10.0 mi ESE 3.5 mph - N/A   Scattered Clouds
11:56 PM 82.0 °F 93.7 °F 81.0 °F 97% 29.92 in 10.0 mi ESE 3.5 mph - 0.03 in   Mostly Cloudy