Weather History for San Juan, PR

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 88 °F 82 °F
Mean Temperature 86 °F 83 °F 78 °F
Min Temperature 80 °F 77 °F 74 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 21 18 13 559
Growing Degree Days (base 50) 36 33 28 1019
Dew Point  
Dew Point 79 °F 74 °F 66 °F
Precipitation  
Precipitation 9.23 in 0.47 in 0.00 in 14.18 in
Snowdepth - - - -
Wind  
Wind 26 mph 9 mph 0 mph
Gust Wind 40 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.13 in 30.04 in 29.94 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 06, 2013 Rise Set
Actual Time 5:53 AM AST 7:04 PM AST
Civil Twilight 5:28 AM AST 7:28 PM AST
Nautical Twilight 5:00 AM AST 7:57 PM AST
Astronomical Twilight 4:30 AM AST 8:26 PM AST
Moon 4:29 AM AST (7/6) 5:50 PM AST (7/6)
Length of Visible Light 13h 59m
Length of Day
13h 11m
Waning Crescent, 2% of the Moon is Illuminated
Jul 6
Waning Crescent
Jul 8
New
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter

Weather History Calendar

Precipitation Actual month total 14.18 Normal Month Total: 5.07
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
88 | 77 0.17
Average:
89 | 78 0.15
Rain
Actual:
86 | 76 0.70
Average:
89 | 78 0.15
Rain
Actual:
86 | 74 0.19
Average:
89 | 78 0.16
Rain
Actual:
89 | 78 0.04
Average:
89 | 78 0.15
Partly Cloudy
Actual:
88 | 79 0.00
Average:
89 | 78 0.15
Rain
Actual:
88 | 77 0.28
Average:
89 | 78 0.16
Thunderstorm
Actual:
89 | 77 0.33
Average:
89 | 78 0.16
Rain
Actual:
89 | 79 0.01
Average:
89 | 78 0.16
Rain
Actual:
88 | 76 0.21
Average:
89 | 78 0.17
Thunderstorm
Actual:
88 | 77 0.20
Average:
89 | 78 0.17
Scattered Clouds
Actual:
89 | 78 0.01
Average:
89 | 78 0.18
Partly Cloudy
Actual:
88 | 79 0.00
Average:
89 | 78 0.17
Rain
Actual:
88 | 76 0.18
Average:
89 | 78 0.17
Thunderstorm
Actual:
88 | 76 0.21
Average:
89 | 78 0.18
Thunderstorm
Actual:
88 | 76 0.42
Average:
89 | 78 0.17
Rain
Actual:
91 | 77 0.03
Average:
89 | 78 0.17
Rain
Actual:
89 | 79 0.22
Average:
89 | 78 0.17
Thunderstorm
Actual:
82 | 74 9.23
Average:
89 | 78 0.18
Partly Cloudy
Actual:
88 | 77 0.00
Average:
89 | 78 0.17
Partly Cloudy
Actual:
89 | 79 0.00
Average:
89 | 78 0.17
Rain
Actual:
89 | 75 0.26
Average:
89 | 78 0.17
Thunderstorm
Actual:
85 | 76 1.07
Average:
89 | 78 0.16
Partly Cloudy
Actual:
89 | 79 T
Average:
89 | 78 0.16
Scattered Clouds
Actual:
89 | 79 0.00
Average:
89 | 78 0.17
Partly Cloudy
Actual:
90 | 80 0.00
Average:
89 | 78 0.16
Thunderstorm
Actual:
88 | 78 0.30
Average:
89 | 78 0.16
Rain
Actual:
88 | 78 0.02
Average:
89 | 78 0.16
Scattered Clouds
Actual:
87 | 76 0.07
Average:
89 | 78 0.16
Scattered Clouds
Actual:
93 | 78 0.00
Average:
89 | 78 0.15
Thunderstorm
Actual:
91 | 80 0.02
Average:
89 | 78 0.15
Rain
Actual:
89 | 79 0.01
Average:
89 | 78 0.16
 

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

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 88 83 77 75 74 72 88 78 68 30.10 30.05 30.00 10 10 7 21 6 28 0.17 Rain , Thunderstorm
2 86 81 76 75 73 70 85 77 69 30.13 30.08 30.04 10 9 2 25 9 30 0.70 Rain
3 86 80 74 76 73 71 87 76 65 30.10 30.06 30.02 10 9 4 23 12 28 0.19 Rain
4 89 84 78 76 75 74 91 80 68 30.09 30.05 30.02 10 9 9 23 13 29 0.04 Rain
5 88 84 79 74 73 71 79 69 59 30.08 30.05 30.02 10 9 7 22 12 26 0.00  
6 88 83 77 74 73 71 88 74 59 30.04 30.00 29.96 10 9 4 21 11 26 0.28 Rain
7 89 83 77 78 75 73 88 78 68 30.04 29.98 29.94 10 9 3 22 8 28 0.33 Rain , Thunderstorm
8 89 84 79 76 75 73 91 80 68 30.10 30.04 29.99 10 10 9 23 13 29 0.01 Rain
9 88 82 76 78 76 72 91 78 65 30.10 30.06 30.04 10 9 7 25 14 33 0.21 Rain
10 88 83 77 79 76 72 91 77 63 30.08 30.04 30.00 10 10 6 20 11 25 0.20 Rain , Thunderstorm
11 89 84 78 75 74 73 85 74 63 30.07 30.03 30.00 10 9 7 18 10 23 0.01  
12 88 84 79 74 72 71 85 73 61 30.04 30.00 29.96 10 10 9 15 8 23 0.00  
13 88 82 76 73 73 71 85 72 59 30.02 29.98 29.95 10 10 7 18 7 23 0.18 Rain
14 88 82 76 74 72 70 88 75 61 30.02 29.98 29.95 10 10 9 17 4 22 0.21 Rain , Thunderstorm
15 88 82 76 75 73 71 88 77 65 30.05 30.00 29.96 10 10 10 20 4 24 0.42 Rain , Thunderstorm
16 91 84 77 78 75 73 88 74 59 30.08 30.04 30.01 10 10 10 23 9 29 0.03 Rain
17 89 84 79 77 75 73 91 78 65 30.09 30.05 30.02 10 9 2 23 11 26 0.22 Rain
18 82 78 74 77 75 71 100 93 85 30.13 30.07 29.99 10 7 0 26 5 40 9.23 Fog , Rain , Thunderstorm
19 88 83 77 75 74 73 97 80 63 30.12 30.08 30.04 10 9 8 22 13 26 0.00  
20 89 84 79 75 74 73 85 75 64 30.11 30.07 30.04 10 9 9 20 11 24 0.00  
21 89 82 75 76 74 71 87 75 63 30.08 30.05 30.01 10 10 10 25 12 35 0.26 Rain
22 85 81 76 78 75 72 91 85 79 30.10 30.06 30.02 10 8 0 24 8 31 1.07 Fog , Rain , Thunderstorm
23 89 84 79 77 75 74 91 78 64 30.07 30.03 29.99 10 9 7 21 9 23 T  
24 89 84 79 76 75 73 85 77 68 30.03 30.00 29.96 10 10 9 20 8 24 0.00  
25 90 85 80 76 75 74 85 72 59 30.10 30.03 30.00 10 10 10 23 10 28 0.00  
26 88 83 78 77 74 71 85 74 63 30.10 30.07 30.03 10 10 8 25 7 31 0.30 Thunderstorm
27 88 83 78 75 73 72 85 72 59 30.06 30.04 29.99 10 10 9 17 6 23 0.02 Rain
28 87 82 76 75 74 72 87 79 70 30.05 30.02 29.99 10 10 10 16 4 20 0.07  
29 93 86 78 75 72 66 85 65 44 30.08 30.03 29.98 10 10 10 14 6 21 0.00  
30 91 86 80 77 74 73 79 69 59 30.12 30.06 30.00 10 10 10 21 7 25 0.02 Thunderstorm
31 89 84 79 74 73 71 79 69 59 30.06 30.02 29.98 10 10 10 16 6 21 0.01 Rain