Weather History for San Juan, PR

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 90 °F 87 °F
Mean Temperature 87 °F 84 °F 81 °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) 22 19 16 592
Growing Degree Days (base 50) 36 34 30 1048
Dew Point  
Dew Point 79 °F 74 °F 68 °F
Precipitation  
Precipitation 0.82 in 0.18 in 0.00 in 4.79 in
Snowdepth - - - -
Wind  
Wind 29 mph 6 mph 0 mph
Gust Wind 44 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.08 in 29.88 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 26, 2012 Rise Set
Actual Time 6:21 AM AST 5:54 PM AST
Civil Twilight 5:59 AM AST 6:16 PM AST
Nautical Twilight 5:33 AM AST 6:42 PM AST
Astronomical Twilight 5:07 AM AST 7:07 PM AST
Moon 3:50 PM AST (10/26) 3:35 AM AST (10/26)
Length of Visible Light 12h 17m
Length of Day
11h 32m
Waxing Gibbous, 91% of the Moon is Illuminated
Oct 26
Waxing Gibbous
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New
Nov 20
First Quarter

Weather History Calendar

Precipitation Actual month total 4.79 Normal Month Total: 5.59
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
91 | 80 T
Average:
89 | 77 0.17
Rain
Actual:
90 | 78 0.44
Average:
89 | 77 0.17
Partly Cloudy
Actual:
90 | 78 0.15
Average:
89 | 77 0.16
Partly Cloudy
Actual:
89 | 78 0.04
Average:
89 | 77 0.16
Rain
Actual:
88 | 78 0.02
Average:
89 | 77 0.16
Rain
Actual:
88 | 77 T
Average:
89 | 77 0.15
Thunderstorm
Actual:
90 | 78 T
Average:
89 | 77 0.16
Thunderstorm
Actual:
89 | 78 0.15
Average:
89 | 77 0.16
Partly Cloudy
Actual:
89 | 77 0.00
Average:
89 | 77 0.15
Thunderstorm
Actual:
89 | 78 0.01
Average:
89 | 77 0.17
Thunderstorm
Actual:
89 | 75 0.64
Average:
89 | 77 0.16
Thunderstorm
Actual:
88 | 74 0.27
Average:
89 | 77 0.17
Rain
Actual:
88 | 80 0.09
Average:
89 | 77 0.16
Rain
Actual:
87 | 80 0.25
Average:
89 | 77 0.17
Thunderstorm
Actual:
93 | 79 0.01
Average:
89 | 77 0.17
Thunderstorm
Actual:
92 | 77 0.82
Average:
89 | 77 0.18
Thunderstorm
Actual:
92 | 79 0.51
Average:
89 | 77 0.18
Partly Cloudy
Actual:
90 | 78 0.24
Average:
88 | 77 0.18
Rain
Actual:
88 | 76 0.37
Average:
88 | 77 0.19
Scattered Clouds
Actual:
89 | 77 T
Average:
88 | 77 0.19
Scattered Clouds
Actual:
88 | 77 0.00
Average:
88 | 77 0.20
Rain
Actual:
89 | 77 0.02
Average:
88 | 77 0.19
Scattered Clouds
Actual:
89 | 78 0.00
Average:
88 | 77 0.20
Partly Cloudy
Actual:
91 | 77 0.00
Average:
88 | 77 0.20
Thunderstorm
Actual:
91 | 77 0.33
Average:
88 | 77 0.21
Thunderstorm
Actual:
90 | 76 0.43
Average:
88 | 77 0.20
Scattered Clouds
Actual:
94 | 80 0.00
Average:
88 | 76 0.20
Scattered Clouds
Actual:
94 | 80 0.00
Average:
88 | 76 0.21
Partly Cloudy
Actual:
91 | 80 T
Average:
88 | 76 0.20
Partly Cloudy
Actual:
92 | 79 0.00
Average:
88 | 76 0.21
Scattered Clouds
Actual:
89 | 79 0.00
Average:
87 | 76 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
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 91 86 80 77 75 74 85 73 60 30.01 29.97 29.94 10 10 10 22 9 26 T Rain
2 90 84 78 76 75 72 91 74 56 30.05 30.01 29.97 10 10 8 24 9 30 0.44 Rain
3 90 84 78 76 73 71 91 74 56 30.08 30.02 29.99 10 10 10 18 11 25 0.15  
4 89 84 78 75 74 71 91 77 63 30.02 29.97 29.91 10 10 10 22 8 28 0.04  
5 88 83 78 75 73 71 85 72 59 29.93 29.87 29.81 10 10 10 13 4 17 0.02 Rain
6 88 83 77 74 72 69 85 71 57 29.86 29.82 29.78 10 10 9 13 4 18 T Rain
7 90 84 78 76 73 70 85 70 55 29.97 29.90 29.84 10 10 10 17 5 21 T Rain , Thunderstorm
8 89 84 78 77 75 72 91 80 68 30.04 29.98 29.93 10 10 10 18 4 20 0.15 Rain , Thunderstorm
9 89 83 77 77 75 72 94 81 68 30.01 29.98 29.92 10 10 10 17 5 21 0.00  
10 89 84 78 77 75 68 91 77 63 29.99 29.94 29.89 10 10 10 17 6 22 0.01 Thunderstorm
11 89 82 75 77 75 72 91 78 64 29.97 29.91 29.88 10 9 2 29 3 44 0.64 Rain , Thunderstorm
12 88 81 74 77 75 73 91 80 68 29.93 29.88 29.84 10 10 10 25 6 36 0.27 Rain , Thunderstorm
13 88 84 80 78 76 74 91 81 70 29.85 29.79 29.74 10 10 5 17 7 22 0.09 Rain
14 87 84 80 78 76 74 91 81 70 29.77 29.72 29.68 10 10 8 16 8 21 0.25 Rain
15 93 86 79 78 75 72 91 72 52 29.76 29.71 29.67 10 10 10 16 4 21 0.01 Rain , Thunderstorm
16 92 85 77 76 75 73 79 68 56 29.86 29.79 29.72 10 9 1 23 2 30 0.82 Rain , Thunderstorm
17 92 86 79 79 76 75 91 76 60 29.94 29.88 29.83 10 10 6 16 3 18 0.51 Rain , Thunderstorm
18 90 84 78 77 75 74 91 78 64 29.94 29.90 29.85 10 10 10 17 6 22 0.24  
19 88 82 76 76 74 73 94 79 63 29.94 29.90 29.86 10 10 9 18 6 21 0.37 Rain
20 89 83 77 77 73 72 85 72 59 29.94 29.89 29.85 10 10 10 16 5 21 T  
21 88 83 77 75 74 72 85 74 63 29.93 29.87 29.83 10 10 10 20 6 24 0.00  
22 89 83 77 76 74 72 88 74 59 29.88 29.84 29.80 10 10 10 21 5 25 0.02 Rain
23 89 84 78 75 73 70 85 70 55 29.88 29.83 29.78 10 10 10 20 8 25 0.00  
24 91 84 77 74 72 70 79 64 49 29.88 29.84 29.80 10 10 10 14 6 18 0.00  
25 91 84 77 77 73 71 91 74 56 29.88 29.85 29.80 10 9 3 15 7 23 0.33 Rain , Thunderstorm
26 90 83 76 78 75 73 91 78 64 29.87 29.83 29.79 10 10 6 15 6 21 0.43 Rain , Thunderstorm
27 94 87 80 76 74 71 85 67 49 29.83 29.80 29.75 10 10 10 13 5 18 0.00  
28 94 87 80 77 75 73 85 71 56 29.85 29.80 29.77 10 10 10 13 4 21 0.00  
29 91 86 80 76 75 73 79 69 59 29.92 29.86 29.82 10 10 10 12 3 14 T  
30 92 86 79 78 75 72 91 72 52 29.99 29.93 29.88 10 10 10 12 3 18 0.00  
31 89 84 79 77 75 73 85 74 63 30.01 29.95 29.91 10 10 9 16 5 21 0.00