Weather History for San Juan, PR

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Week of December 16, 2012 through December 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 85 °F 84 °F 82 °F
Mean Temperature 80 °F 79 °F 78 °F
Min Temperature 75 °F 73 °F 71 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 15 14 13 96
Growing Degree Days (base 50) 30 28 28 198
Dew Point  
Dew Point 73 °F 69 °F 65 °F
Precipitation  
Precipitation 1.16 in 0.33 in 0.00 in 2.31 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 24 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.02 in 29.97 in 29.92 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 21, 2012 Rise Set
Actual Time 6:51 AM AST 5:53 PM AST
Civil Twilight 6:27 AM AST 6:16 PM AST
Nautical Twilight 6:00 AM AST 6:44 PM AST
Astronomical Twilight 5:33 AM AST 7:11 PM AST
Moon 1:07 PM AST (12/21) 1:09 AM AST (12/21)
Length of Visible Light 11h 49m
Length of Day
11h 01m
Waxing Gibbous, 64% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 84 78 71 70 68 65 87 75 62 30.00 29.96 29.92 10 10 5 16 5 20 0.11 Rain
17 85 79 72 71 68 67 93 74 55 30.02 29.97 29.93 10 10 2 18 6 22 0.31 Rain
18 85 79 72 70 68 67 84 73 61 30.02 29.97 29.95 10 10 10 17 5 22 0.00  
19 82 78 73 73 70 66 94 81 67 30.01 29.97 29.93 10 10 2 13 4 17 1.16 Rain
20 84 80 75 71 68 65 71 66 61 30.02 29.97 29.94 10 10 10 17 11 23 0.01 Rain
21 82 78 73 73 71 69 93 81 69 30.01 29.96 29.93 10 8 2 20 7 24 0.35 Rain
22 84 79 73 73 69 65 100 78 55 30.01 29.96 29.92 10 10 10 17 5 22 0.37 Rain