| Houston |
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| Institutions: |
Contact persons: |
| General Data Houston |
| Geographic longitude (east) | ||||
| Geographic latitude (north) | ||||
| Total area (km²) | Inhabitants (1.1.1950) | |||
| Settlement area (%) | Inhabitants (1.1.1970) | |||
| Traffic area (%) | Inhabitants (1.1.1997) | |||
| Agricultural area (%) | Density of Inhabitants ( I / km²) | |||
| Forested area (%) | ||||
| Water bodies (%) | Motor vehicles (1.1.1950) | |||
| Road network (km) | Motor vehicles (1.1.1970) | |||
| Mean altitude (above sea-level) | Motor vehicles (1.1.1997) | |||
| Lowest point (above sea-level) | ||||
| Highest point (above sea-level) | Motor vehicles / 1000 inhabitants (1997) |
| Air Pollution Houston |
No data available
| Mean climatic data Houston |
Parameter |
JAN |
FEB |
MAR |
APR |
MAY |
JUN |
JUL |
AUG |
SEP |
OCT |
NOV |
DEC |
YEAR |
Period |
Mean air temperature (°C) |
12.6 |
13.9 |
16.9 |
20.7 |
24.6 |
27.9 |
28.8 |
28.9 |
26.6 |
22.4 |
16.4 |
13.6 |
21.1 |
30 |
Mean maximum air temperature (°C) |
16.7 |
18.3 |
22.2 |
25.6 |
28.9 |
32.2 |
33.3 |
33.9 |
31.1 |
27.2 |
21.7 |
17.2 |
25.6 |
34 |
Mean minimum air temperature (°C) |
6.7 |
7.8 |
12.2 |
15.6 |
18.9 |
22.2 |
23.3 |
23.3 |
21.1 |
16.1 |
11.1 |
7.2 |
15.6 |
34 |
Absolute maximum air temperature (°C) |
28.9 |
30.6 |
34.4 |
33.3 |
36.7 |
39.4 |
40.0 |
42.2 |
38.3 |
37.2 |
31.7 |
28.3 |
42.2 |
36 |
Absolute minimum air temperature (°C) |
-15.0 |
-14.4 |
-5.0 |
1.1 |
7.2 |
12.8 |
12.8 |
12.2 |
8.3 |
0.6 |
-5.0 |
-9.4 |
-15.0 |
39 |
Mean relative Humidity (%) |
76 |
73 |
72 |
73 |
74 |
74 |
73 |
71 |
73 |
70 |
71 |
74 |
73 |
15 |
Mean precipitation (mm) |
94 |
82 |
61 |
87 |
113 |
97 |
131 |
90 |
97 |
91 |
103 |
104 |
1150 |
30 |
Maximum precipitation (mm) |
204 |
288 |
290 |
205 |
366 |
372 |
256 |
257 |
391 |
293 |
259 |
228 |
30 |
|
Minimum precipitation (mm) |
9 |
2 |
2 |
23 |
16 |
4 |
2 |
10 |
4 |
dry |
13 |
16 |
30 |
|
Maximum precipitation in 24 h (mm) |
81 |
99 |
93 |
96 |
138 |
210 |
176 |
230 |
132 |
194 |
275 |
86 |
275 |
22 |
Days with precipitation |
10 |
10 |
9 |
8 |
8 |
8 |
10 |
9 |
9 |
7 |
8 |
10 |
106 |
22 |
Mean sunshine (h) |
144 |
141 |
193 |
212 |
266 |
298 |
294 |
281 |
238 |
239 |
181 |
146 |
2633 |
30 |
Radiation (Ly/d) |
||||||||||||||
Potential evaporation (mm) |
19 |
23 |
49 |
81 |
127 |
168 |
184 |
174 |
136 |
88 |
37 |
21 |
1107 |
56 |
Mean wind speed (m/s) |
5 |
5 |
5 |
5 |
5 |
4 |
4 |
4 |
4 |
4 |
5 |
5 |
5 |
12 |
Wind direction |
N |
SE |
SE |
SE |
SE |
S |
S |
S |
SE |
SE |
SE |
SE |
22 |
Source of climatic data: M. Müller, 1983: Handbuch ausgewählter Klimastationen der Erde. Universität Trier. Forschungsstelle Bodenerosion.