San Juan, PR

6:51 PM AST on September 20, 2017 (GMT -0400)
Luis Munoz Marin International

Weather History for TJSJ - October, 2011

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Tuesday, October 18, 2011

  Actual Average Record
Temperature  
Mean Temperature 81 °F 83 °F  
Max Temperature 87 °F 88 °F 94 °F (1979)
Min Temperature 74 °F 77 °F 70 °F (1957)
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 16 18  
Month to date cooling degree days 316 324  
Year to date cooling degree days 4527 4736  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 75    
Maximum Humidity 85    
Minimum Humidity 65    
Precipitation  
Precipitation 1.87 in 0.18 in 3.07 in (1956)
Month to date precipitation 3.57 2.98  
Year to date precipitation 73.28 42.37  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 4 mph (East)    
Max Wind Speed 15 mph    
Max Gust Speed 26 mph    
Visibility 9 miles    
Events Rain , Tornado    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Oct. 18, 2011 Rise Set
Actual Time 6:18 AM AST 5:59 PM AST
Civil Twilight 5:56 AM AST 6:21 PM AST
Nautical Twilight 5:30 AM AST 6:47 PM AST
Astronomical Twilight 5:05 AM AST 7:12 PM AST
Moon 11:03 PM AST (10/18) 11:37 AM AST (10/18)
Length of Visible Light 12h 25m
Length of Day
11h 41m
Waning Gibbous, 65% of the Moon is Illuminated
Oct 18
Waning Gibbous
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
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 79.0 °F - 73.0 °F 82% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 78.1 °F - 73.0 °F 84% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 78.1 °F - 73.9 °F 87% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 77.0 °F - 72.0 °F 84% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 77.0 °F - 72.0 °F 84% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:56 AM 77.0 °F - 72.0 °F 84% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 78.1 °F - 72.0 °F 81% 29.90 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 82.0 °F 86.7 °F 72.0 °F 71% 29.92 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 82.9 °F 88.8 °F 73.0 °F 72% 29.94 in 9.0 mi Calm Calm - N/A   Scattered Clouds
9:56 AM 84.0 °F 91.2 °F 73.9 °F 72% 29.95 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
10:56 AM 86.0 °F 93.8 °F 73.9 °F 67% 29.94 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
11:56 AM 84.0 °F 90.2 °F 73.0 °F 69% 29.92 in 7.0 mi ESE 9.2 mph - 0.00 in Rain Rain
12:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.91 in 6.0 mi Variable 5.8 mph - 0.09 in Rain Light Rain
1:09 PM 80.6 °F 86.2 °F 75.2 °F 84% 29.91 in 4.0 mi South 12.7 mph 26.5 mph 0.00 in Rain , Tornado Funnel Cloud
1:13 PM 78.8 °F - 75.2 °F 89% 29.90 in 4.0 mi SSW 9.2 mph 17.3 mph 0.04 in Rain Heavy Rain
1:38 PM 75.2 °F - 71.6 °F 89% 29.91 in 1.0 mi Variable 4.6 mph - 0.60 in Rain Heavy Rain
1:56 PM 78.1 °F - 73.0 °F 84% 29.90 in 5.0 mi NE 11.5 mph 17.3 mph 1.50 in Rain Heavy Rain
2:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 29.87 in 10.0 mi ESE 9.2 mph - 0.28 in   Mostly Cloudy
3:56 PM 82.0 °F 88.6 °F 75.0 °F 79% 29.87 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
4:56 PM 82.9 °F 89.4 °F 73.9 °F 74% 29.88 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
5:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.89 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
6:56 PM 80.1 °F 84.2 °F 73.0 °F 79% 29.91 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
7:56 PM 79.0 °F - 73.0 °F 82% 29.93 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
8:56 PM 81.0 °F 86.2 °F 73.9 °F 79% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 PM 79.0 °F - 73.0 °F 82% 29.97 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
10:56 PM 79.0 °F - 73.9 °F 84% 29.97 in 10.0 mi ESE 3.5 mph - N/A   Partly Cloudy
11:56 PM 78.1 °F - 72.0 °F 81% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy