Weather History for Port Isabel, TX

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 91 °F 86 °F
Mean Temperature 88 °F 82 °F 76 °F
Min Temperature 80 °F 75 °F 66 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 24 17 11 522
Growing Degree Days (base 50) 38 32 26 970
Dew Point  
Dew Point 79 °F 72 °F 61 °F
Precipitation  
Precipitation 1.11 in 0.08 in 0.00 in 2.26 in
Snowdepth - - - -
Wind  
Wind 29 mph 9 mph 0 mph
Gust Wind 37 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.14 in 29.97 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 18, 2012 Rise Set
Actual Time 7:16 AM CDT 7:29 PM CDT
Civil Twilight 6:53 AM CDT 7:52 PM CDT
Nautical Twilight 6:26 AM CDT 8:19 PM CDT
Astronomical Twilight 5:59 AM CDT 8:46 PM CDT
Moon 9:54 AM CDT (9/18) 9:19 PM CDT (9/18)
Length of Visible Light 12h 59m
Length of Day
12h 13m
Waxing Crescent, 9% of the Moon is Illuminated
Sep 18
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
93 | 77 0.14
Average:
- | - -
Scattered Clouds
Actual:
96 | 79 0.00
Average:
- | - -
Scattered Clouds
Actual:
96 | 80 0.00
Average:
- | - -
Scattered Clouds
Actual:
96 | 79 0.00
Average:
- | - -
Clear
Actual:
97 | 80 0.00
Average:
- | - -
Scattered Clouds
Actual:
96 | 79 0.00
Average:
- | - -
Scattered Clouds
Actual:
97 | 77 0.00
Average:
- | - -
Clear
Actual:
95 | 77 0.00
Average:
- | - -
Thunderstorm
Actual:
88 | 71 0.64
Average:
- | - -
Clear
Actual:
88 | 70 0.00
Average:
- | - -
Scattered Clouds
Actual:
91 | 69 0.00
Average:
- | - -
Scattered Clouds
Actual:
95 | 79 0.00
Average:
- | - -
Thunderstorm
Actual:
87 | 73 1.11
Average:
- | - -
Thunderstorm
Actual:
86 | 73 0.00
Average:
- | - -
Rain
Actual:
86 | 73 0.04
Average:
- | - -
Partly Cloudy
Actual:
88 | 73 0.00
Average:
- | - -
Fog
Actual:
88 | 72 0.00
Average:
- | - -
Scattered Clouds
Actual:
90 | 75 0.00
Average:
- | - -
Scattered Clouds
Actual:
88 | 73 0.02
Average:
- | - -
Scattered Clouds
Actual:
88 | 72 0.00
Average:
- | - -
Clear
Actual:
87 | 66 0.00
Average:
- | - -
Scattered Clouds
Actual:
89 | 70 0.00
Average:
- | - -
Scattered Clouds
Actual:
90 | 73 0.00
Average:
- | - -
Clear
Actual:
90 | 73 0.00
Average:
- | - -
Scattered Clouds
Actual:
91 | 73 0.00
Average:
- | - -
Scattered Clouds
Actual:
91 | 80 0.00
Average:
- | - -
Rain
Actual:
91 | 79 0.02
Average:
- | - -
Thunderstorm
Actual:
88 | 78 0.20
Average:
- | - -
Scattered Clouds
Actual:
93 | 80 0.03
Average:
- | - -
Thunderstorm
Actual:
90 | 71 0.06
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

2012 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 93 84 77 79 76 73 90 79 63 30.08 30.02 29.98 10 9 2 24 12 34 0.14 Rain
2 96 87 79 77 75 71 90 71 46 30.05 30.00 29.94 10 9 6 22 11 28 0.00  
3 96 88 80 77 76 74 90 72 50 30.00 29.95 29.90 10 9 7 21 12 28 0.00  
4 96 86 79 77 75 72 90 72 49 29.97 29.92 29.87 10 10 7 22 12 29 0.00  
5 97 88 80 77 75 70 85 70 41 29.91 29.87 29.83 10 10 8 23 12 29 0.00  
6 96 87 79 77 75 72 90 71 49 29.95 29.90 29.86 10 9 6 20 9 29 0.00  
7 97 87 77 77 74 71 94 72 44 29.93 29.87 29.81 10 10 8 21 8 26 0.00  
8 95 85 77 77 75 70 96 74 46 29.97 29.90 29.86 10 9 6 18 7 22 0.00  
9 88 78 71 75 71 64 94 76 58 30.07 30.02 29.97 10 8 1 22 9 29 0.64 Rain , Thunderstorm
10 88 79 70 68 65 63 90 64 45 30.08 30.02 29.99 10 10 10 14 7 21 0.00  
11 91 80 69 76 71 65 91 73 53 30.03 29.99 29.95 10 10 10 16 6 - 0.00  
12 95 86 79 77 75 72 90 72 50 30.01 29.97 29.92 10 10 8 22 10 29 0.00  
13 87 80 73 77 73 70 100 83 59 30.08 30.02 29.95 10 8 0 29 9 37 1.11 Fog , Rain , Thunderstorm
14 86 80 73 74 71 67 88 76 60 30.11 30.06 30.02 10 10 10 17 8 26 0.00 Rain , Thunderstorm
15 86 78 73 74 72 70 100 82 65 30.11 30.07 30.01 10 9 5 16 9 22 0.04 Rain
16 88 80 73 73 72 71 94 79 57 30.05 29.97 29.88 10 10 7 13 7 17 0.00  
17 88 79 72 73 71 70 94 81 59 29.93 29.86 29.79 10 8 0 14 8 18 0.00 Fog
18 90 82 75 77 73 67 94 72 55 30.01 29.93 29.86 10 10 10 18 8 29 0.00  
19 88 80 73 71 69 66 85 69 49 30.09 30.03 29.99 10 10 9 17 7 23 0.02  
20 88 80 72 70 66 62 84 62 48 30.05 30.01 29.96 10 10 10 13 8 18 0.00  
21 87 76 66 69 64 62 87 65 48 30.00 29.96 29.92 10 10 10 12 6 17 0.00  
22 89 79 70 73 70 65 87 72 55 30.07 30.01 29.96 10 10 10 14 6 - 0.00  
23 90 80 73 74 73 70 91 75 61 30.14 30.09 30.05 10 10 10 13 4 - 0.00  
24 90 81 73 74 71 69 91 69 53 30.13 30.08 30.01 10 10 10 14 8 21 0.00  
25 91 82 73 73 71 69 91 67 52 30.04 29.99 29.94 10 10 9 20 10 25 0.00  
26 91 85 80 75 73 72 81 70 57 29.99 29.95 29.91 10 10 9 18 12 25 0.00  
27 91 85 79 77 75 74 88 76 57 30.02 29.98 29.94 10 10 9 17 9 24 0.02 Rain
28 88 82 78 78 76 73 94 84 69 29.99 29.93 29.86 10 8 2 17 10 26 0.20 Rain , Thunderstorm
29 93 86 80 78 75 72 91 77 50 29.89 29.82 29.71 10 9 8 21 12 31 0.03  
30 90 80 71 77 67 61 90 66 38 29.87 29.80 29.76 10 10 2 23 11 30 0.06 Rain , Thunderstorm