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Explore Air
Current Ozone and Weather Data in National Parks
Big Bend National Park - K-Bar Ranch Road, TX
EPA AQS Site Number: 48-043-0101
| Ozone Sunday February 12, 2012 |
Hour Ending
(Local Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 12 AM |
37 |
34 |
| 1 AM |
38 |
33 |
| 2 AM |
38 |
32 |
| 3 AM |
35 |
30 |
| 4 AM |
34 |
29 |
| 5 AM |
33 |
27 |
| 6 AM |
33 |
26 |
| 7 AM |
30 |
25 |
| 8 AM |
28 |
24 |
| 9 AM |
27 |
23 |
| 10 AM |
25 |
22 |
| 11 AM |
23 |
22 |
| 12 PM |
23 |
21 |
| 1 PM |
22 |
21 |
| 2 PM |
22 |
21 |
| 3 PM |
22 |
20 |
| 4 PM |
22 |
20 |
| 5 PM |
22 |
20 |
| 6 PM |
21 |
19 |
| 7 PM |
20 |
19 |
| 8 PM |
19 |
19 |
| 9 PM |
20 |
18 |
| 10 PM |
21 |
18 |
| 11 PM |
18 |
17 |
| Weather and Ozone Data Sunday February 12, 2012 |
Hour
Ending
(Local Time) |
Ozone
(parts per
billion) |
Wind
Speed
(meters per
second) |
Wind
Direction |
Temperature
(degrees C) |
Relative
Humidity
(%) |
Solar
Radiation
(watts per
meter
squared) |
Rainfall
(millimeters) |
| 12 AM |
37 |
1.6 |
W |
7.9 |
66 |
-- |
0.0 |
| 1 AM |
38 |
2.6 |
NW |
7.7 |
64 |
-- |
0.0 |
| 2 AM |
38 |
2.5 |
NW |
7.0 |
62 |
-- |
0.0 |
| 3 AM |
35 |
2.5 |
NW |
6.2 |
60 |
-- |
0.0 |
| 4 AM |
34 |
3.0 |
NW |
5.6 |
55 |
-- |
0.0 |
| 5 AM |
33 |
2.6 |
NW |
5.1 |
55 |
-- |
0.0 |
| 6 AM |
33 |
2.7 |
NW |
4.2 |
59 |
-- |
0.0 |
| 7 AM |
30 |
2.1 |
NW |
2.8 |
70 |
0 |
0.6 |
| 8 AM |
28 |
2.1 |
NW |
1.8 |
83 |
1 |
2.1 |
| 9 AM |
27 |
3.5 |
NW |
1.0 |
88 |
15 |
0.8 |
| 10 AM |
25 |
3.2 |
NW |
0.4 |
92 |
35 |
0.5 |
| 11 AM |
23 |
2.9 |
NW |
0.2 |
94 |
59 |
0.4 |
| 12 PM |
23 |
3.0 |
N |
0.2 |
95 |
57 |
0.2 |
| 1 PM |
22 |
2.7 |
N |
0.3 |
95 |
84 |
0.1 |
| 2 PM |
22 |
2.3 |
NE |
0.8 |
95 |
118 |
0.0 |
| 3 PM |
22 |
2.3 |
N |
1.4 |
95 |
142 |
0.0 |
| 4 PM |
22 |
2.4 |
N |
1.3 |
95 |
263 |
0.0 |
| 5 PM |
22 |
2.3 |
N |
1.4 |
95 |
171 |
0.0 |
| 6 PM |
21 |
2.8 |
N |
1.1 |
95 |
69 |
0.0 |
| 7 PM |
20 |
3.6 |
N |
0.1 |
95 |
9 |
0.0 |
| 8 PM |
19 |
3.5 |
NW |
-0.2 |
95 |
0 |
0.0 |
| 9 PM |
20 |
0.5 |
NW |
0.1 |
95 |
0 |
0.0 |
| 10 PM |
21 |
3.9 |
NW |
2.7 |
95 |
0 |
0.0 |
| 11 PM |
18 |
3.9 |
NW |
0.0 |
95 |
0 |
0.0 |
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