Weather History for Port Isabel, TX

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 89 °F 79 °F
Mean Temperature 86 °F 82 °F 77 °F
Min Temperature 80 °F 76 °F 68 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 22 17 12 504
Growing Degree Days (base 50) 36 32 27 949
Dew Point  
Dew Point 81 °F 75 °F 61 °F
Precipitation  
Precipitation 1.41 in 0.19 in 0.00 in 5.77 in
Snowdepth - - - -
Wind  
Wind 25 mph 8 mph 0 mph
Gust Wind 38 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.03 in 29.87 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 11, 2013 Rise Set
Actual Time 7:13 AM CDT 7:37 PM CDT
Civil Twilight 6:50 AM CDT 8:00 PM CDT
Nautical Twilight 6:23 AM CDT 8:27 PM CDT
Astronomical Twilight 5:55 AM CDT 8:55 PM CDT
Moon 1:06 PM CDT (9/11) No Moon Set
Length of Visible Light 13h 10m
Length of Day
12h 24m
Waxing Crescent, 39% of the Moon is Illuminated
Sep 11
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear
Actual:
95 | 78 0.00
Average:
- | - -
Thunderstorm
Actual:
93 | 79 0.00
Average:
- | - -
Thunderstorm
Actual:
91 | 75 0.00
Average:
- | - -
Scattered Clouds
Actual:
91 | 75 0.00
Average:
- | - -
Thunderstorm
Actual:
89 | 77 0.20
Average:
- | - -
Thunderstorm
Actual:
91 | 75 0.15
Average:
- | - -
Thunderstorm
Actual:
88 | 75 0.15
Average:
- | - -
Thunderstorm
Actual:
87 | 75 0.00
Average:
- | - -
Thunderstorm
Actual:
88 | 77 0.30
Average:
- | - -
Rain
Actual:
88 | 75 0.06
Average:
- | - -
Rain
Actual:
88 | 78 0.09
Average:
- | - -
Thunderstorm
Actual:
90 | 75 0.01
Average:
- | - -
Thunderstorm
Actual:
89 | 75 0.59
Average:
- | - -
Rain
Actual:
86 | 75 0.68
Average:
- | - -
Rain
Actual:
87 | 77 0.64
Average:
- | - -
Rain
Actual:
86 | 75 1.41
Average:
- | - -
Scattered Clouds
Actual:
87 | 78 0.17
Average:
- | - -
Scattered Clouds
Actual:
87 | 79 0.00
Average:
- | - -
Scattered Clouds
Actual:
89 | 77 0.00
Average:
- | - -
Rain
Actual:
88 | 79 0.00
Average:
- | - -
Rain
Actual:
79 | 75 0.31
Average:
- | - -
Partly Cloudy
Actual:
84 | 71 0.00
Average:
- | - -
Scattered Clouds
Actual:
88 | 68 0.00
Average:
- | - -
Scattered Clouds
Actual:
91 | 69 0.00
Average:
- | - -
Clear
Actual:
90 | 72 0.00
Average:
- | - -
Scattered Clouds
Actual:
90 | 75 0.00
Average:
- | - -
Partly Cloudy
Actual:
91 | 80 0.00
Average:
- | - -
Scattered Clouds
Actual:
91 | 79 0.00
Average:
- | - -
Thunderstorm
Actual:
90 | 73 1.01
Average:
- | - -
Partly Cloudy
Actual:
87 | 75 0.00
Average:
- | - -
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 95 86 78 76 74 69 90 71 45 29.91 29.87 29.83 10 10 9 23 10 30 0.00  
2 93 86 79 76 74 72 90 70 52 29.95 29.90 29.86 10 10 9 21 10 26 0.00 Rain , Thunderstorm
3 91 83 75 76 74 70 94 73 55 29.99 29.93 29.90 10 10 8 14 5 20 0.00 Thunderstorm
4 91 83 75 76 74 73 94 74 57 30.02 29.97 29.93 10 10 7 16 6 21 0.00  
5 89 82 77 79 75 73 94 83 63 30.03 29.98 29.94 10 8 1 18 7 26 0.20 Rain , Thunderstorm
6 91 82 75 80 76 73 100 85 65 30.01 29.98 29.93 10 9 2 15 5 32 0.15 Rain , Thunderstorm
7 88 81 75 77 75 74 100 86 66 29.99 29.94 29.90 10 8 2 14 5 20 0.15 Rain , Thunderstorm
8 87 80 75 76 74 70 94 80 63 29.92 29.88 29.83 10 10 9 14 7 20 0.00 Rain , Thunderstorm
9 88 82 77 79 75 72 94 86 63 29.91 29.88 29.84 10 9 2 16 7 21 0.30 Rain , Thunderstorm
10 88 81 75 79 75 73 97 84 65 29.97 29.93 29.89 10 8 2 18 9 24 0.06 Rain
11 88 82 78 78 75 73 97 81 65 30.01 29.96 29.94 10 9 5 18 9 25 0.09 Rain
12 90 82 75 76 74 72 94 78 63 29.97 29.92 29.86 10 9 7 16 7 25 0.01 Rain , Thunderstorm
13 89 81 75 77 74 72 100 89 67 29.88 29.82 29.77 10 7 1 23 9 32 0.59 Rain , Thunderstorm
14 86 80 75 79 76 73 100 89 70 29.84 29.80 29.77 10 7 2 18 8 38 0.68 Rain
15 87 82 77 81 78 75 100 92 69 29.86 29.82 29.78 9 6 2 22 12 37 0.64 Rain
16 86 80 75 80 76 75 100 94 74 29.92 29.87 29.82 9 5 2 25 13 36 1.41 Rain
17 87 82 78 80 76 73 100 84 74 29.96 29.91 29.86 10 8 7 15 11 21 0.17  
18 87 82 79 76 76 74 90 80 67 29.93 29.88 29.85 10 9 8 15 8 - 0.00  
19 89 82 77 79 77 75 96 83 66 29.88 29.84 29.78 10 9 7 16 6 23 0.00  
20 88 83 79 79 78 75 94 84 74 29.81 29.74 29.68 9 8 7 21 12 25 0.00 Rain
21 79 77 75 79 74 69 100 92 78 29.79 29.72 29.66 10 7 2 23 11 31 0.31 Rain
22 84 78 71 70 66 61 87 68 46 29.81 29.76 29.73 10 9 8 21 12 32 0.00  
23 88 78 68 74 68 63 97 73 43 29.81 29.76 29.72 10 9 1 13 7 21 0.00  
24 91 80 69 74 70 63 100 79 42 29.88 29.83 29.81 10 8 2 12 5 - 0.00  
25 90 80 72 77 73 69 100 79 55 29.88 29.84 29.79 10 8 5 13 6 - 0.00  
26 90 82 75 77 75 72 100 81 59 29.86 29.83 29.80 10 9 6 17 7 - 0.00  
27 91 86 80 79 77 77 91 79 66 29.88 29.85 29.80 9 8 6 18 13 26 0.00  
28 91 85 79 79 76 73 91 77 55 29.95 29.88 29.84 10 8 6 20 14 29 0.00  
29 90 80 73 79 76 72 100 90 59 29.99 29.92 29.85 9 7 0 14 4 - 1.01 Fog , Rain , Thunderstorm
30 87 81 75 77 75 73 100 85 66 29.91 29.86 29.80 10 8 6 12 4 - 0.00