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Explore Air
Current Ozone and Weather Data in National Parks
Yosemite National Park - Turtleback Dome, CA
EPA AQS Site Number: 06-043-0003
| Ozone Tuesday January 13, 2009 |
Hour Ending
(Local Standard Time) |
1-Hour Average
(parts per billion) |
8-Hour Average
(parts per billion) |
| 1 AM |
37 |
43 |
| 2 AM |
38 |
44 |
| 3 AM |
42 |
45 |
| 4 AM |
44 |
45 |
| 5 AM |
46 |
45 |
| 6 AM |
47 |
44 |
| 7 AM |
46 |
43 |
| 8 AM |
46 |
42 |
| 9 AM |
45 |
41 |
| 10 AM |
45 |
40 |
| 11 AM |
44 |
40 |
| 12 PM |
41 |
40 |
| 1 PM |
39 |
41 |
| 2 PM |
39 |
41 |
| 3 PM |
37 |
42 |
| 4 PM |
-- |
43 |
| 5 PM |
40 |
44 |
| 6 PM |
43 |
44 |
| 7 PM |
44 |
45 |
| 8 PM |
45 |
-- |
| 9 PM |
44 |
-- |
| 10 PM |
45 |
-- |
| 11 PM |
46 |
-- |
| 12 AM |
47 |
-- |
| Weather and Ozone Data Tuesday January 13, 2009 |
Hour
Beginning
(Local Standard 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 |
5.3 |
E |
10.5 |
30 |
0 |
0.0 |
| 1 AM |
38 |
4.8 |
E |
9.5 |
32 |
0 |
0.0 |
| 2 AM |
42 |
5.5 |
E |
10.0 |
28 |
0 |
0.0 |
| 3 AM |
44 |
6.5 |
E |
11.0 |
24 |
0 |
0.0 |
| 4 AM |
46 |
5.5 |
E |
11.0 |
21 |
0 |
0.0 |
| 5 AM |
47 |
5.3 |
E |
11.0 |
18 |
0 |
0.0 |
| 6 AM |
46 |
7.0 |
E |
10.2 |
20 |
0 |
0.0 |
| 7 AM |
46 |
5.4 |
E |
10.3 |
19 |
9 |
0.0 |
| 8 AM |
45 |
4.2 |
E |
10.5 |
19 |
32 |
0.0 |
| 9 AM |
45 |
3.5 |
E |
13.2 |
14 |
380 |
0.0 |
| 10 AM |
44 |
1.5 |
E |
15.3 |
13 |
497 |
0.0 |
| 11 AM |
41 |
3.0 |
SW |
15.9 |
17 |
554 |
0.0 |
| 12 PM |
39 |
3.6 |
SW |
15.4 |
22 |
551 |
0.0 |
| 1 PM |
39 |
2.1 |
SW |
15.6 |
24 |
489 |
0.0 |
| 2 PM |
37 |
1.7 |
SW |
16.2 |
27 |
375 |
0.0 |
| 3 PM |
-- |
1.5 |
SW |
16.3 |
28 |
225 |
0.0 |
| 4 PM |
40 |
1.2 |
E |
15.4 |
24 |
52 |
-- |
| 5 PM |
43 |
4.2 |
NE |
14.3 |
21 |
1 |
0.0 |
| 6 PM |
44 |
4.3 |
E |
14.1 |
16 |
0 |
0.0 |
| 7 PM |
45 |
7.4 |
E |
13.7 |
14 |
0 |
0.0 |
| 8 PM |
44 |
8.3 |
E |
12.4 |
16 |
0 |
0.0 |
| 9 PM |
45 |
5.5 |
E |
12.2 |
15 |
0 |
0.0 |
| 10 PM |
46 |
5.2 |
E |
12.1 |
15 |
0 |
0.0 |
| 11 PM |
47 |
6.3 |
E |
13.0 |
13 |
0 |
0.0 |
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