Weather History for San Juan, PR

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Monday, May 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 83 °F  
Max Temperature 87 °F 88 °F 95 °F (1983)
Min Temperature 71 °F 77 °F 69 °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 14 18  
Month to date cooling degree days 444 452  
Year to date cooling degree days 2179 2093  
Growing Degree Days 29 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 82    
Maximum Humidity 94    
Minimum Humidity 70    
Precipitation  
Precipitation 1.74 in 0.18 in 1.89 in (1952)
Month to date precipitation 12.04 5.19  
Year to date precipitation 22.03 17.97  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 10 mph (East)    
Max Wind Speed 35 mph    
Max Gust Speed 40 mph    
Visibility 8 miles    
Events Rain , Thunderstorm    
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

May. 27, 2013 Rise Set
Actual Time 5:47 AM AST 6:55 PM AST
Civil Twilight 5:23 AM AST 7:19 PM AST
Nautical Twilight 4:55 AM AST 7:47 PM AST
Astronomical Twilight 4:26 AM AST 8:16 PM AST
Moon 9:40 PM AST (5/27) 8:15 AM AST (5/27)
Length of Visible Light 13h 55m
Length of Day
13h 07m
Waning Gibbous, 91% of the Moon is Illuminated
May 27
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
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 80.1 °F 84.5 °F 73.9 °F 81% 30.06 in 10.0 mi ESE 6.9 mph - 0.00 in Rain Light Rain
1:56 AM 78.1 °F - 73.9 °F 87% 30.04 in 10.0 mi East 6.9 mph - 0.01 in   Scattered Clouds
2:56 AM 75.9 °F - 73.0 °F 91% 30.02 in 10.0 mi ESE 3.5 mph - 0.31 in Rain Light Rain
3:56 AM 77.0 °F - 73.0 °F 88% 30.01 in 10.0 mi Calm Calm - 0.00 in   Scattered Clouds
4:56 AM 77.0 °F - 73.9 °F 90% 30.02 in 5.0 mi ESE 3.5 mph - 0.03 in Rain Light Rain
5:56 AM 77.0 °F - 73.9 °F 90% 30.02 in 10.0 mi East 6.9 mph - 0.00 in   Scattered Clouds
6:56 AM 78.1 °F - 73.9 °F 87% 30.03 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
7:56 AM 81.0 °F 86.2 °F 73.9 °F 79% 30.04 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
8:56 AM 82.0 °F 87.9 °F 73.9 °F 76% 30.04 in 10.0 mi ENE 15.0 mph 19.6 mph N/A   Scattered Clouds
9:56 AM 82.9 °F 89.4 °F 73.9 °F 74% 30.06 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
10:56 AM 86.0 °F 96.0 °F 75.9 °F 72% 30.05 in 10.0 mi ENE 15.0 mph 21.9 mph N/A   Scattered Clouds
11:56 AM 86.0 °F 95.1 °F 75.0 °F 70% 30.05 in 10.0 mi ENE 19.6 mph 25.3 mph N/A   Scattered Clouds
12:56 PM 86.0 °F 95.1 °F 75.0 °F 70% 30.04 in 10.0 mi ENE 19.6 mph 27.6 mph N/A   Mostly Cloudy
1:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 30.03 in 10.0 mi East 17.3 mph - N/A   Scattered Clouds
2:56 PM 82.9 °F 90.2 °F 75.0 °F 77% 30.02 in 10.0 mi East 18.4 mph 25.3 mph N/A   Mostly Cloudy
3:01 PM 82.4 °F 89.5 °F 75.2 °F 79% 30.02 in 10.0 mi East 15.0 mph 25.3 mph 0.00 in Rain , Thunderstorm Light Thunderstorms and Rain
3:17 PM 80.6 °F 86.2 °F 75.2 °F 84% 30.03 in 2.0 mi ESE 8.1 mph - 0.02 in Rain , Thunderstorm Thunderstorms and Rain
3:21 PM 80.6 °F 87.1 °F 77.0 °F 89% 30.02 in 1.0 mi ESE 9.2 mph - 0.08 in Rain , Thunderstorm Heavy Thunderstorms and Rain
3:44 PM 80.6 °F 87.1 °F 77.0 °F 89% 30.02 in 4.0 mi East 9.2 mph - 0.32 in Rain Light Rain
3:53 PM 80.6 °F 87.1 °F 77.0 °F 89% 30.02 in 7.0 mi ENE 8.1 mph - 0.33 in Rain Light Rain
3:56 PM 80.1 °F 85.8 °F 77.0 °F 90% 30.01 in 7.0 mi East 6.9 mph - 0.34 in Rain Light Rain
4:42 PM 80.6 °F 87.1 °F 77.0 °F 89% 30.00 in 10.0 mi East 10.4 mph - 0.01 in Rain , Thunderstorm Thunderstorms and Rain
4:56 PM 80.1 °F 85.4 °F 75.9 °F 87% 30.01 in 10.0 mi East 12.7 mph - 0.05 in Rain , Thunderstorm Heavy Thunderstorms and Rain
5:56 PM 80.1 °F 85.4 °F 75.9 °F 87% 30.00 in 10.0 mi East 12.7 mph - 0.14 in Thunderstorm Thunderstorm
6:31 PM 75.2 °F - 71.6 °F 89% 30.03 in 10.0 mi ESE 17.3 mph - 0.01 in Rain , Thunderstorm Light Thunderstorms and Rain
6:56 PM 75.0 °F - 72.0 °F 90% 30.03 in 2.0 mi ESE 8.1 mph 18.4 mph 0.15 in Rain , Thunderstorm Light Thunderstorms and Rain
7:01 PM 75.2 °F - 73.4 °F 94% 30.02 in 6.0 mi ESE 9.2 mph - 0.05 in Rain , Thunderstorm Light Thunderstorms and Rain
7:56 PM 77.0 °F - 73.9 °F 90% 30.03 in 10.0 mi East 11.5 mph 17.3 mph 0.14 in Rain Light Rain
8:56 PM 77.0 °F - 73.9 °F 90% 30.05 in 10.0 mi Calm Calm - 0.04 in   Overcast
9:16 PM 73.4 °F - 69.8 °F 88% 30.08 in 1.0 mi ENE 25.3 mph 40.3 mph 0.02 in Rain Heavy Rain
9:35 PM 71.6 °F - 69.8 °F 94% 30.08 in 5.0 mi East 12.7 mph - 0.27 in Rain Heavy Rain
9:56 PM 73.9 °F - 71.1 °F 91% 30.06 in 6.0 mi East 6.9 mph - 0.42 in Rain Heavy Rain
10:56 PM 75.9 °F - 73.9 °F 94% 30.09 in 10.0 mi Calm Calm - 0.11 in Rain Light Rain
11:56 PM 75.9 °F - 73.9 °F 94% 30.07 in 10.0 mi WSW 4.6 mph - 0.00 in   Mostly Cloudy