Weather History for Houston, TX

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 90 °F 77 °F
Mean Temperature 87 °F 80 °F 71 °F
Min Temperature 77 °F 70 °F 59 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 22 15 6 448
Growing Degree Days (base 50) 36 29 18 868
Dew Point  
Dew Point 79 °F 69 °F 49 °F
Precipitation  
Precipitation 0.66 in 0.08 in 0.00 in 2.02 in
Snowdepth - - - -
Wind  
Wind 29 mph 5 mph 0 mph
Gust Wind 37 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.18 in 30.00 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2012 Rise Set
Actual Time 7:06 AM CDT 7:25 PM CDT
Civil Twilight 6:42 AM CDT 7:49 PM CDT
Nautical Twilight 6:14 AM CDT 8:17 PM CDT
Astronomical Twilight 5:46 AM CDT 8:45 PM CDT
Moon 6:36 AM CDT (9/15) 7:01 PM CDT (9/15)
Length of Visible Light 13h 07m
Length of Day
12h 19m
Waning Crescent, 0% of the Moon is Illuminated
Sep 15
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 2.02 Normal Month Total: 4.12
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
91 | 76 0.23
Average:
93 | 74 0.15
Partly Cloudy
Actual:
96 | 76 0.00
Average:
93 | 73 0.14
Scattered Clouds
Actual:
96 | 77 0.00
Average:
93 | 73 0.14
Scattered Clouds
Actual:
97 | 77 0.00
Average:
92 | 73 0.14
Scattered Clouds
Actual:
98 | 75 0.00
Average:
92 | 73 0.14
Rain
Actual:
97 | 75 0.00
Average:
92 | 73 0.14
Scattered Clouds
Actual:
96 | 76 0.00
Average:
92 | 72 0.15
Partly Cloudy
Actual:
87 | 69 T
Average:
92 | 72 0.15
Partly Cloudy
Actual:
91 | 64 0.00
Average:
91 | 72 0.15
Scattered Clouds
Actual:
89 | 62 0.00
Average:
91 | 72 0.16
Partly Cloudy
Actual:
90 | 64 0.00
Average:
91 | 71 0.15
Thunderstorm
Actual:
88 | 71 0.31
Average:
91 | 71 0.15
Thunderstorm
Actual:
84 | 70 0.41
Average:
90 | 71 0.15
Thunderstorm
Actual:
89 | 71 0.13
Average:
90 | 70 0.15
Rain
Actual:
89 | 70 T
Average:
90 | 70 0.14
Partly Cloudy
Actual:
88 | 71 0.06
Average:
90 | 70 0.13
Rain
Actual:
83 | 70 0.22
Average:
89 | 70 0.13
Partly Cloudy
Actual:
88 | 69 0.00
Average:
89 | 69 0.13
Scattered Clouds
Actual:
85 | 65 0.00
Average:
89 | 69 0.12
Clear
Actual:
88 | 59 0.00
Average:
89 | 69 0.13
Clear
Actual:
88 | 59 0.00
Average:
88 | 68 0.13
Fog
Actual:
92 | 68 0.00
Average:
88 | 68 0.12
Fog
Actual:
92 | 68 0.00
Average:
88 | 68 0.13
Scattered Clouds
Actual:
91 | 69 0.00
Average:
88 | 67 0.13
Scattered Clouds
Actual:
91 | 69 0.00
Average:
87 | 67 0.13
Partly Cloudy
Actual:
91 | 71 0.00
Average:
87 | 67 0.13
Partly Cloudy
Actual:
88 | 70 0.00
Average:
87 | 66 0.13
Rain
Actual:
91 | 73 T
Average:
87 | 66 0.13
Thunderstorm
Actual:
80 | 73 0.66
Average:
86 | 66 0.12
Rain
Actual:
77 | 64 T
Average:
86 | 65 0.13
 

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 91 84 76 79 75 73 91 76 60 30.11 30.07 30.02 10 8 1 24 6 32 0.23 Rain , Thunderstorm
2 96 86 76 77 75 71 100 73 46 30.08 30.02 29.96 10 10 9 13 5 17 0.00  
3 96 87 77 76 75 72 91 67 43 30.04 29.98 29.91 10 10 10 13 6 20 0.00  
4 97 87 77 76 74 71 91 68 45 29.99 29.94 29.88 10 10 10 13 6 18 0.00  
5 98 87 75 76 74 71 100 56 11 29.95 29.90 29.85 10 10 10 14 5 17 0.00  
6 97 86 75 76 74 68 100 71 42 29.97 29.92 29.86 10 10 10 13 4 16 0.00 Rain
7 96 86 76 77 74 68 100 71 42 29.94 29.88 29.81 10 10 10 15 4 18 0.00  
8 87 78 69 75 72 65 91 74 57 30.03 29.93 29.84 10 10 8 20 6 26 T  
9 91 78 64 66 60 53 93 59 24 30.12 30.05 30.00 10 10 9 15 5 20 0.00  
10 89 76 62 63 59 55 90 60 29 30.13 30.07 30.03 10 10 10 14 3 18 0.00  
11 90 77 64 72 66 62 93 69 44 30.11 30.05 30.03 10 10 10 21 4 24 0.00  
12 88 80 71 75 73 70 100 79 57 30.08 30.03 29.99 10 9 2 23 4 33 0.31 Rain , Thunderstorm
13 84 77 70 74 72 69 100 87 74 30.14 30.07 30.02 10 10 3 23 5 26 0.41 Rain , Thunderstorm
14 89 80 71 74 71 68 100 76 52 30.15 30.11 30.08 10 8 1 26 6 31 0.13 Rain , Thunderstorm
15 89 80 70 72 70 68 100 77 53 30.16 30.10 30.05 10 9 1 12 6 16 T Rain
16 88 80 71 72 69 63 94 72 50 30.06 29.99 29.92 10 10 8 15 4 20 0.06  
17 83 77 70 70 67 64 100 79 58 29.94 29.86 29.78 10 10 8 15 9 17 0.22 Rain
18 88 79 69 68 65 62 100 73 45 30.02 29.95 29.88 10 10 10 14 4 20 0.00  
19 85 75 65 66 60 49 90 59 27 30.13 30.07 30.03 10 10 10 13 9 17 0.00  
20 88 74 59 62 57 51 90 60 29 30.10 30.05 29.99 10 10 10 12 2 17 0.00  
21 88 74 59 70 63 57 97 70 42 30.04 30.00 29.95 10 10 10 10 2 15 0.00  
22 92 80 68 73 70 66 97 68 38 30.12 30.05 29.99 10 10 6 10 3 14 0.00 Fog
23 92 80 68 73 69 63 100 69 38 30.18 30.14 30.10 10 10 10 12 3 16 0.00 Fog
24 91 80 69 72 69 67 100 75 50 30.17 30.11 30.04 10 10 8 17 3 20 0.00  
25 91 80 69 71 69 67 100 71 41 30.08 30.03 29.98 10 10 7 21 6 25 0.00  
26 91 81 71 73 71 66 100 76 52 30.06 30.01 29.98 10 10 10 18 5 23 0.00  
27 88 79 70 74 71 68 100 75 50 30.10 30.05 29.99 10 10 10 13 4 16 0.00  
28 91 82 73 75 73 71 100 75 50 30.04 29.99 29.93 10 10 10 23 2 29 T Rain
29 80 77 73 74 72 68 100 93 85 29.95 29.85 29.73 10 9 5 17 5 23 0.66 Rain , Thunderstorm
30 77 71 64 73 66 57 94 84 73 29.81 29.69 29.62 10 8 1 29 12 37 T Rain