Weather History for San Juan, PR

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 89 °F 84 °F
Mean Temperature 86 °F 84 °F 80 °F
Min Temperature 80 °F 78 °F 74 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 19 15 581
Growing Degree Days (base 50) 36 33 30 1037
Dew Point  
Dew Point 78 °F 74 °F 66 °F
Precipitation  
Precipitation 1.72 in 0.29 in 0.00 in 7.48 in
Snowdepth - - - -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 40 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.10 in 29.99 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 14, 2012 Rise Set
Actual Time 6:05 AM AST 6:51 PM AST
Civil Twilight 5:43 AM AST 7:13 PM AST
Nautical Twilight 5:16 AM AST 7:40 PM AST
Astronomical Twilight 4:49 AM AST 8:07 PM AST
Moon 3:13 AM AST (8/14) 4:32 PM AST (8/14)
Length of Visible Light 13h 30m
Length of Day
12h 45m
Waning Crescent, 10% of the Moon is Illuminated
Aug 14
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 7.48 Normal Month Total: 5.46
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
91 | 79 0.05
Average:
89 | 78 0.15
Partly Cloudy
Actual:
88 | 79 T
Average:
89 | 78 0.15
Rain
Actual:
88 | 78 0.02
Average:
89 | 78 0.15
Rain
Actual:
89 | 77 0.33
Average:
89 | 78 0.15
Rain
Actual:
89 | 80 0.01
Average:
89 | 78 0.15
Partly Cloudy
Actual:
88 | 80 0.00
Average:
89 | 78 0.14
Thunderstorm
Actual:
88 | 76 0.56
Average:
89 | 78 0.15
Thunderstorm
Actual:
87 | 79 0.13
Average:
89 | 78 0.14
Scattered Clouds
Actual:
93 | 79 T
Average:
89 | 78 0.16
Scattered Clouds
Actual:
91 | 79 0.00
Average:
89 | 78 0.16
Partly Cloudy
Actual:
89 | 80 0.01
Average:
89 | 78 0.17
Thunderstorm
Actual:
91 | 74 1.72
Average:
89 | 78 0.17
Thunderstorm
Actual:
89 | 74 0.32
Average:
89 | 78 0.17
Rain
Actual:
89 | 79 0.02
Average:
89 | 78 0.17
Thunderstorm
Actual:
88 | 78 0.63
Average:
89 | 78 0.18
Thunderstorm
Actual:
90 | 79 0.06
Average:
89 | 78 0.18
Thunderstorm
Actual:
88 | 79 0.35
Average:
89 | 78 0.18
Partly Cloudy
Actual:
92 | 80 0.00
Average:
89 | 78 0.19
Rain
Actual:
90 | 80 T
Average:
89 | 78 0.18
Partly Cloudy
Actual:
89 | 80 T
Average:
89 | 78 0.18
Thunderstorm
Actual:
88 | 78 0.63
Average:
89 | 78 0.18
Thunderstorm
Actual:
90 | 79 0.89
Average:
89 | 78 0.19
Rain
Actual:
88 | 77 0.13
Average:
89 | 78 0.19
Rain
Actual:
84 | 76 0.70
Average:
89 | 78 0.19
Rain
Actual:
90 | 75 0.60
Average:
89 | 78 0.20
Partly Cloudy
Actual:
88 | 78 0.00
Average:
89 | 78 0.20
Thunderstorm
Actual:
87 | 76 0.21
Average:
89 | 78 0.20
Scattered Clouds
Actual:
89 | 78 0.00
Average:
89 | 78 0.21
Scattered Clouds
Actual:
88 | 79 0.08
Average:
89 | 78 0.21
Scattered Clouds
Actual:
89 | 78 T
Average:
89 | 78 0.21
Partly Cloudy
Actual:
88 | 78 0.03
Average:
89 | 78 0.21
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 91 85 79 76 74 73 91 75 59 30.05 30.01 29.97 10 10 10 21 9 28 0.05  
2 88 84 79 76 74 72 85 72 59 30.05 30.01 29.97 10 10 10 20 8 25 T  
3 88 83 78 75 74 72 85 74 63 30.00 29.98 29.94 10 10 5 25 11 35 0.02 Rain
4 89 83 77 77 74 72 91 75 59 30.07 29.99 29.94 10 10 10 26 12 40 0.33 Rain
5 89 85 80 76 74 73 79 72 64 30.08 30.04 30.01 10 10 9 22 11 26 0.01 Rain
6 88 84 80 75 74 73 79 71 63 30.06 30.01 29.97 10 10 10 16 8 22 0.00  
7 88 82 76 76 74 69 85 77 68 30.00 29.96 29.94 10 10 9 20 8 24 0.56 Rain , Thunderstorm
8 87 83 79 76 75 74 91 80 68 30.01 29.98 29.94 10 10 7 16 8 22 0.13 Rain , Thunderstorm
9 93 86 79 76 73 66 91 69 46 30.01 29.97 29.94 10 10 10 13 4 17 T  
10 91 85 79 77 75 72 85 75 64 30.04 30.00 29.96 10 10 9 22 10 26 0.00  
11 89 85 80 75 74 72 79 71 63 30.03 30.01 29.98 10 9 7 22 12 26 0.01  
12 91 83 74 75 73 70 79 66 52 30.07 30.00 29.95 10 9 0 26 14 33 1.72 Rain , Thunderstorm
13 89 82 74 76 74 71 94 81 68 30.06 30.02 29.99 10 10 3 21 7 26 0.32 Rain , Thunderstorm
14 89 84 79 74 74 72 85 72 59 30.05 30.01 29.96 10 10 10 21 10 25 0.02 Rain
15 88 83 78 76 75 72 85 77 68 30.06 30.01 29.97 10 10 9 20 7 24 0.63 Rain , Thunderstorm
16 90 85 79 77 75 73 91 77 63 30.05 30.01 29.98 10 10 10 21 8 26 0.06 Rain , Thunderstorm
17 88 84 79 78 75 73 85 77 68 30.03 30.00 29.95 10 10 6 22 7 28 0.35 Rain , Thunderstorm
18 92 86 80 77 75 73 85 71 56 30.06 30.01 29.97 10 9 9 22 9 28 0.00  
19 90 85 80 76 74 72 85 71 56 30.10 30.05 30.02 10 9 9 20 10 24 T Rain
20 89 85 80 75 73 72 79 71 63 30.08 30.04 30.01 10 9 9 21 9 25 T  
21 88 83 78 77 74 73 80 72 63 30.05 30.01 29.99 10 9 1 25 10 36 0.63 Rain , Thunderstorm
22 90 85 79 77 75 73 85 74 63 30.00 29.93 29.86 10 9 1 29 11 37 0.89 Rain , Thunderstorm
23 88 83 77 77 74 69 79 75 70 29.87 29.80 29.75 10 9 2 30 14 38 0.13 Rain
24 84 80 76 73 71 68 87 76 65 29.97 29.91 29.85 10 9 1 17 7 24 0.70 Rain
25 90 83 75 76 72 70 94 75 55 29.97 29.94 29.88 10 10 7 23 4 33 0.60 Rain
26 88 83 78 75 72 70 85 70 55 30.06 29.99 29.94 10 10 9 13 2 16 0.00  
27 87 82 76 74 72 66 88 73 58 30.10 30.06 30.00 10 10 9 18 4 26 0.21 Rain , Thunderstorm
28 89 84 78 75 73 69 85 70 55 30.09 30.05 30.00 10 10 9 20 9 24 0.00  
29 88 84 79 75 73 72 85 72 59 30.06 30.02 29.97 10 10 10 20 8 24 0.08  
30 89 84 78 74 73 71 85 72 59 30.04 30.01 29.97 10 10 10 20 9 24 T  
31 88 83 78 74 73 71 79 69 59 30.06 30.01 29.97 10 10 10 17 8 22 0.03