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Explore Air
Current Ozone and Weather Data in National Parks
Wind Cave NP - Visitor Center, SD EPA AQS Site Number: 46-033-0132
| Ozone Wednesday May 23, 2012 |
Hour Ending (Local Time) |
1-Hour Average (parts per billion) |
8-Hour Average (parts per billion) |
| 12 AM |
44 |
47 |
| 1 AM |
41 |
47 |
| 2 AM |
44 |
47 |
| 3 AM |
40 |
48 |
| 4 AM |
44 |
49 |
| 5 AM |
60 |
50 |
| 6 AM |
55 |
49 |
| 7 AM |
53 |
49 |
| 8 AM |
44 |
48 |
| 9 AM |
41 |
49 |
| 10 AM |
50 |
50 |
| 11 AM |
51 |
50 |
| 12 PM |
50 |
50 |
| 1 PM |
52 |
50 |
| 2 PM |
53 |
49 |
| 3 PM |
49 |
48 |
| 4 PM |
48 |
47 |
| 5 PM |
50 |
47 |
| 6 PM |
50 |
46 |
| 7 PM |
51 |
46 |
| 8 PM |
48 |
45 |
| 9 PM |
44 |
45 |
| 10 PM |
46 |
-- |
| 11 PM |
46 |
-- |
| Weather and Ozone Data Wednesday May 23, 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 |
44 |
2.0 |
E |
18.8 |
42 |
0 |
0.0 |
| 1 AM |
41 |
1.6 |
NE |
16.5 |
53 |
0 |
0.0 |
| 2 AM |
44 |
2.3 |
NE |
15.6 |
54 |
0 |
0.0 |
| 3 AM |
40 |
1.6 |
SW |
14.7 |
58 |
0 |
0.0 |
| 4 AM |
44 |
1.8 |
S |
14.7 |
55 |
0 |
0.0 |
| 5 AM |
60 |
2.1 |
NW |
15.6 |
41 |
0 |
0.0 |
| 6 AM |
55 |
1.5 |
W |
15.1 |
44 |
1 |
0.0 |
| 7 AM |
53 |
1.6 |
NE |
14.2 |
48 |
9 |
0.0 |
| 8 AM |
44 |
0.7 |
SE |
12.7 |
58 |
20 |
0.0 |
| 9 AM |
41 |
1.6 |
N |
12.4 |
63 |
52 |
0.0 |
| 10 AM |
50 |
4.0 |
NE |
12.2 |
54 |
101 |
0.0 |
| 11 AM |
51 |
4.2 |
NE |
12.3 |
54 |
194 |
0.0 |
| 12 PM |
50 |
4.7 |
E |
13.1 |
54 |
403 |
0.0 |
| 1 PM |
52 |
4.7 |
E |
13.5 |
50 |
503 |
0.0 |
| 2 PM |
53 |
4.1 |
E |
12.8 |
53 |
317 |
0.2 |
| 3 PM |
49 |
4.2 |
N |
10.1 |
73 |
120 |
3.2 |
| 4 PM |
48 |
6.3 |
NE |
10.5 |
72 |
587 |
0.0 |
| 5 PM |
50 |
5.9 |
NE |
11.8 |
62 |
575 |
0.0 |
| 6 PM |
50 |
5.6 |
NE |
12.4 |
58 |
423 |
0.0 |
| 7 PM |
51 |
5.0 |
NE |
12.3 |
55 |
212 |
0.0 |
| 8 PM |
48 |
3.1 |
NE |
11.6 |
57 |
36 |
0.0 |
| 9 PM |
44 |
1.8 |
N |
10.5 |
63 |
3 |
0.0 |
| 10 PM |
46 |
2.2 |
NW |
10.5 |
61 |
0 |
0.0 |
| 11 PM |
46 |
2.0 |
NW |
10.9 |
60 |
0 |
0.0 |
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