Weather History for San Juan, PR

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 83 °F 81 °F
Mean Temperature 81 °F 79 °F 76 °F
Min Temperature 78 °F 73 °F 70 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 16 14 11 421
Growing Degree Days (base 50) 31 28 26 869
Dew Point  
Dew Point 74 °F 68 °F 60 °F
Precipitation  
Precipitation 0.57 in 0.06 in 0.00 in 1.78 in
Snowdepth - - - -
Wind  
Wind 30 mph 9 mph 0 mph
Gust Wind 38 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 30.06 in 29.95 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 17, 2013 Rise Set
Actual Time 6:59 AM AST 6:09 PM AST
Civil Twilight 6:36 AM AST 6:32 PM AST
Nautical Twilight 6:09 AM AST 6:59 PM AST
Astronomical Twilight 5:42 AM AST 7:25 PM AST
Moon 11:04 AM AST (1/17) 11:51 PM AST (1/17)
Length of Visible Light 11h 56m
Length of Day
11h 10m
Waxing Crescent, 37% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 27
Full
Feb 3
Last Quarter
Feb 10
New

Weather History Calendar

Precipitation Actual month total 1.78 Normal Month Total: 3.76
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
83 | 74 0.07
Average:
83 | 73 0.15
Scattered Clouds
Actual:
85 | 73 0.00
Average:
83 | 73 0.15
Rain
Actual:
81 | 72 0.13
Average:
83 | 72 0.15
Rain
Actual:
84 | 74 T
Average:
83 | 72 0.14
Rain
Actual:
84 | 78 0.01
Average:
83 | 72 0.14
Partly Cloudy
Actual:
85 | 76 0.01
Average:
83 | 72 0.14
Rain
Actual:
84 | 73 0.12
Average:
83 | 72 0.14
Rain
Actual:
84 | 75 0.03
Average:
83 | 72 0.14
Partly Cloudy
Actual:
84 | 74 0.01
Average:
83 | 72 0.14
Rain
Actual:
84 | 74 0.02
Average:
83 | 72 0.13
Rain
Actual:
83 | 74 0.03
Average:
83 | 72 0.13
Rain
Actual:
82 | 72 0.57
Average:
83 | 72 0.13
Scattered Clouds
Actual:
82 | 73 0.00
Average:
83 | 72 0.13
Rain
Actual:
82 | 70 0.01
Average:
83 | 72 0.12
Rain
Actual:
82 | 72 0.12
Average:
83 | 72 0.12
Rain
Actual:
81 | 71 0.01
Average:
83 | 72 0.12
Partly Cloudy
Actual:
83 | 72 0.03
Average:
83 | 72 0.12
Rain
Actual:
82 | 73 0.04
Average:
83 | 72 0.12
Partly Cloudy
Actual:
83 | 72 0.00
Average:
83 | 72 0.12
Rain
Actual:
84 | 73 0.01
Average:
83 | 72 0.12
Rain
Actual:
82 | 72 0.04
Average:
83 | 72 0.11
Scattered Clouds
Actual:
86 | 73 0.00
Average:
83 | 72 0.11
Partly Cloudy
Actual:
86 | 73 0.01
Average:
83 | 72 0.11
Partly Cloudy
Actual:
84 | 74 0.00
Average:
83 | 72 0.10
Rain
Actual:
84 | 72 0.02
Average:
83 | 72 0.11
Rain
Actual:
84 | 74 0.21
Average:
83 | 72 0.10
Scattered Clouds
Actual:
84 | 73 T
Average:
83 | 72 0.10
Rain
Actual:
85 | 75 T
Average:
83 | 72 0.10
Rain
Actual:
83 | 72 0.03
Average:
83 | 72 0.09
Rain
Actual:
83 | 73 0.12
Average:
83 | 72 0.09
Partly Cloudy
Actual:
84 | 73 0.13
Average:
83 | 72 0.09
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 79 74 73 70 67 87 76 65 30.09 30.04 30.01 10 10 10 16 7 21 0.07 Rain
2 85 79 73 68 66 63 84 70 55 30.07 30.03 29.98 10 10 10 18 8 23 0.00  
3 81 77 72 74 71 67 94 82 69 30.12 30.07 30.02 10 9 2 18 5 22 0.13 Rain
4 84 79 74 72 70 69 87 74 61 30.18 30.12 30.08 10 10 10 22 10 26 T Rain
5 84 81 78 70 69 68 74 67 59 30.20 30.14 30.10 10 10 10 22 15 26 0.01 Rain
6 85 81 76 70 68 66 82 72 61 30.14 30.10 30.06 10 10 10 23 14 29 0.01  
7 84 79 73 72 70 67 93 76 58 30.13 30.08 30.04 10 10 10 24 13 30 0.12 Rain
8 84 80 75 72 69 68 82 72 61 30.17 30.11 30.06 10 10 10 30 15 38 0.03 Rain
9 84 79 74 69 67 63 84 68 51 30.20 30.15 30.10 10 10 10 24 16 30 0.01  
10 84 79 74 72 68 64 71 65 58 30.18 30.12 30.09 10 9 2 25 14 31 0.02 Rain
11 83 79 74 69 66 64 82 70 58 30.10 30.04 29.99 10 10 10 20 13 25 0.03 Rain
12 82 77 72 71 69 67 93 78 63 30.02 29.99 29.95 10 9 2 21 6 25 0.57 Rain
13 82 78 73 65 62 60 87 69 51 30.05 30.01 29.97 10 10 10 15 9 21 0.00  
14 82 76 70 67 64 60 84 69 54 30.08 30.03 29.99 10 10 6 16 8 21 0.01 Rain
15 82 77 72 70 67 63 87 74 60 30.06 30.02 29.98 10 10 10 18 9 24 0.12 Rain
16 81 76 71 72 66 61 84 72 60 30.07 30.02 29.97 10 10 6 22 9 25 0.01 Rain
17 83 78 72 69 67 65 93 74 55 30.09 30.04 29.99 10 10 10 20 8 26 0.03  
18 82 78 73 71 69 67 87 75 62 30.11 30.06 30.01 10 10 10 14 5 18 0.04 Rain
19 83 78 72 70 68 66 84 73 62 30.11 30.05 30.01 10 10 10 21 8 25 0.00  
20 84 79 73 71 68 65 87 71 55 30.09 30.03 29.99 10 10 10 17 6 22 0.01 Rain
21 82 77 72 72 69 67 93 80 67 30.05 30.01 29.96 10 10 8 15 5 20 0.04 Rain
22 86 80 73 71 69 67 84 70 55 30.09 30.04 29.99 10 10 9 16 6 21 0.00  
23 86 80 73 71 70 68 87 73 59 30.13 30.07 30.03 10 10 10 22 7 26 0.01  
24 84 79 74 70 69 68 87 74 61 30.12 30.06 30.01 10 10 10 18 7 22 0.00  
25 84 78 72 71 69 68 87 75 63 30.11 30.07 30.03 10 10 10 22 7 28 0.02 Rain
26 84 79 74 73 72 70 94 80 65 30.11 30.07 30.04 10 9 2 22 8 28 0.21 Rain
27 84 79 73 72 70 69 87 76 65 30.15 30.10 30.06 10 10 10 16 7 22 T  
28 85 80 75 71 69 68 82 72 61 30.19 30.13 30.09 10 10 9 20 9 25 T Rain
29 83 78 72 70 68 67 84 74 63 30.15 30.09 30.04 10 10 6 21 8 25 0.03 Rain
30 83 78 73 71 69 67 87 76 65 30.11 30.07 30.04 10 10 6 22 11 29 0.12 Rain
31 84 79 73 73 71 70 93 79 65 30.10 30.05 30.02 10 10 10 21 7 26 0.13