Weather History for San Juan, PR

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Saturday, July 26, 2014

  Actual Average Record
Temperature  
Mean Temperature 29 °C 28 °C  
Max Temperature 32 °C 32 °C 33 °C (1984)
Min Temperature 27 °C 26 °C 21 °C (1957)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 20 18  
Month to date cooling degree days 529 468  
Year to date cooling degree days 3545 3182  
Since 1 June cooling degree days 1139 1017  
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 24 °C    
Average Humidity 72    
Maximum Humidity 85    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 mm 4.06 mm 4.60 mm (1957)
Month to date precipitation 3.17 4.29  
Year to date precipitation 22.35 27.38  
Sea Level Pressure  
Sea Level Pressure 1017 hPa    
Wind  
Wind Speed 23 km/h (ENE)    
Max Wind Speed 37 km/h    
Max Gust Speed 47 km/h    
Visibility 14 kilometers    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jul. 26, 2014 Rise Set
Actual Time 5:59 AM AST 7:01 PM AST
Civil Twilight 5:36 AM AST 7:24 PM AST
Nautical Twilight 5:08 AM AST 7:52 PM AST
Astronomical Twilight 4:40 AM AST 8:20 PM AST
Moon 5:40 AM AST (7/26) 6:45 PM AST (7/26)
Length of Visible Light 13h 48m
Length of Day
13h 01m
Waning Crescent, 0% of the Moon is Illuminated
Jul 26
Waning Crescent
Jul 26
New
Aug 3
First Quarter
Aug 10
Full
Aug 17
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 28.3 °C 33.2 °C 25.0 °C 82% 1017.5 hPa 16.1 km East 22.2 km/h / 6.2 m/s 31.5 km/h / 8.7 m/s N/A   Mostly Cloudy
1:56 AM 27.8 °C 31.5 °C 23.9 °C 79% 1016.7 hPa 16.1 km ENE 29.6 km/h / 8.2 m/s 37.0 km/h / 10.3 m/s N/A   Scattered Clouds
2:56 AM 27.8 °C 31.5 °C 23.9 °C 79% 1016.2 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
3:56 AM 27.2 °C 30.4 °C 23.9 °C 82% 1016.0 hPa 16.1 km East 14.8 km/h / 4.1 m/s - N/A   Scattered Clouds
4:56 AM 27.2 °C 30.1 °C 23.3 °C 79% 1016.3 hPa 16.1 km East 9.3 km/h / 2.6 m/s - N/A   Partly Cloudy
5:56 AM 27.2 °C 30.1 °C 23.3 °C 79% 1016.9 hPa 16.1 km East 14.8 km/h / 4.1 m/s - N/A   Scattered Clouds
6:56 AM 27.8 °C 31.5 °C 23.9 °C 79% 1017.3 hPa 12.9 km ENE 13.0 km/h / 3.6 m/s - N/A   Scattered Clouds
7:56 AM 28.9 °C 33.3 °C 23.9 °C 74% 1017.6 hPa 12.9 km East 14.8 km/h / 4.1 m/s - N/A   Scattered Clouds
8:56 AM 30.0 °C 34.3 °C 23.3 °C 67% 1017.6 hPa 12.9 km ENE 25.9 km/h / 7.2 m/s 33.3 km/h / 9.3 m/s N/A   Scattered Clouds
9:56 AM 30.6 °C 35.7 °C 23.9 °C 67% 1017.8 hPa 12.9 km ENE 25.9 km/h / 7.2 m/s 35.2 km/h / 9.8 m/s N/A   Scattered Clouds
11:56 AM 31.1 °C 37.0 °C 24.4 °C 67% 1017.6 hPa 12.9 km NE 29.6 km/h / 8.2 m/s 42.6 km/h / 11.8 m/s N/A   Scattered Clouds
12:56 PM 31.1 °C 37.0 °C 24.4 °C 67% 1017.4 hPa 12.9 km NE 35.2 km/h / 9.8 m/s - N/A   Scattered Clouds
2:56 PM 31.1 °C 37.0 °C 24.4 °C 67% 1016.7 hPa 12.9 km ENE 29.6 km/h / 8.2 m/s - N/A   Scattered Clouds
3:56 PM 30.6 °C 36.3 °C 24.4 °C 69% 1016.5 hPa 12.9 km ENE 33.3 km/h / 9.3 m/s 44.4 km/h / 12.3 m/s N/A   Partly Cloudy
4:56 PM 30.0 °C 36.0 °C 25.0 °C 74% 1016.4 hPa 14.5 km NE 29.6 km/h / 8.2 m/s 40.7 km/h / 11.3 m/s N/A   Scattered Clouds
5:56 PM 29.4 °C 34.5 °C 24.4 °C 74% 1016.6 hPa 12.9 km ENE 27.8 km/h / 7.7 m/s - N/A   Scattered Clouds
6:56 PM 28.9 °C 33.6 °C 24.4 °C 76% 1017.4 hPa 12.9 km ENE 22.2 km/h / 6.2 m/s - N/A   Scattered Clouds
7:56 PM 28.3 °C 32.7 °C 24.4 °C 79% 1017.8 hPa 16.1 km ENE 20.4 km/h / 5.7 m/s - N/A   Partly Cloudy
8:56 PM 28.3 °C 32.7 °C 24.4 °C 79% 1018.6 hPa 16.1 km ENE 18.5 km/h / 5.1 m/s - N/A   Partly Cloudy
9:56 PM 28.3 °C 33.2 °C 25.0 °C 82% 1019.0 hPa 16.1 km East 18.5 km/h / 5.1 m/s - N/A   Scattered Clouds
10:56 PM 28.3 °C 33.2 °C 25.0 °C 82% 1019.0 hPa 16.1 km East 14.8 km/h / 4.1 m/s - N/A   Scattered Clouds
11:56 PM 27.8 °C 32.3 °C 25.0 °C 85% 1019.1 hPa 16.1 km East 14.8 km/h / 4.1 m/s - N/A   Partly Cloudy