Means and standard deviations of the light
extinction of the major aerosol chemical components during the 20% worst days in each month based on data
available during the
year of 1997-2002
| Location |
Month |
Rayleigh |
Sulfate |
StDev |
Nitrate |
StDev |
OMC |
StDev |
LAC |
StDev |
Soil |
StDev |
CM |
StDev |
Bext |
StDev |
PM2.5 |
Stdev |
| SEQU1 |
1 |
10.00 |
12.58 |
3.57 |
85.26 |
57.37 |
16.83 |
10.45 |
7.02 |
3.39 |
0.26 |
0.16 |
2.67 |
1.88 |
134.63 |
70.16 |
16.93 |
13.81 |
| SEQU1 |
2 |
10.00 |
13.03 |
3.59 |
88.58 |
33.05 |
12.57 |
2.98 |
6.01 |
1.73 |
0.87 |
1.02 |
4.33 |
2.86 |
135.39 |
33.54 |
14.43 |
8.03 |
| SEQU1 |
3 |
10.00 |
18.56 |
6.45 |
47.87 |
22.17 |
15.10 |
4.24 |
5.85 |
1.58 |
0.83 |
0.80 |
4.36 |
1.56 |
102.57 |
27.94 |
13.42 |
6.64 |
| SEQU1 |
4 |
10.00 |
28.13 |
9.78 |
28.43 |
35.87 |
19.37 |
4.46 |
5.34 |
1.57 |
3.39 |
4.63 |
6.61 |
2.36 |
101.27 |
33.44 |
17.32 |
6.62 |
| SEQU1 |
5 |
10.00 |
26.06 |
9.49 |
5.69 |
2.37 |
20.23 |
4.65 |
9.71 |
6.45 |
3.44 |
4.03 |
6.82 |
2.54 |
81.96 |
9.84 |
15.39 |
3.77 |
| SEQU1 |
6 |
10.00 |
22.24 |
5.21 |
3.67 |
1.24 |
39.04 |
19.79 |
8.79 |
3.20 |
1.14 |
0.42 |
6.95 |
2.31 |
91.82 |
28.25 |
14.89 |
6.80 |
| SEQU1 |
7 |
10.00 |
24.94 |
7.74 |
4.19 |
0.86 |
22.23 |
1.05 |
7.28 |
0.99 |
2.55 |
2.64 |
7.28 |
1.67 |
78.48 |
6.99 |
15.67 |
1.94 |
| SEQU1 |
8 |
10.00 |
15.03 |
4.32 |
7.71 |
5.95 |
42.49 |
15.32 |
9.54 |
2.75 |
1.67 |
0.21 |
9.90 |
2.96 |
96.33 |
17.63 |
19.36 |
6.17 |
| SEQU1 |
9 |
10.00 |
16.61 |
3.48 |
11.07 |
7.09 |
24.10 |
14.44 |
7.57 |
2.03 |
1.82 |
0.60 |
12.16 |
7.22 |
83.33 |
15.72 |
12.30 |
5.57 |
| SEQU1 |
10 |
10.00 |
15.54 |
4.11 |
22.41 |
15.21 |
21.98 |
6.78 |
6.84 |
2.05 |
1.72 |
0.61 |
10.36 |
3.36 |
88.86 |
14.55 |
14.20 |
3.66 |
| SEQU1 |
11 |
10.00 |
12.41 |
5.03 |
83.30 |
46.86 |
18.37 |
11.49 |
6.51 |
2.19 |
0.65 |
0.72 |
5.08 |
3.80 |
136.31 |
48.20 |
18.36 |
8.61 |
| SEQU1 |
12 |
10.00 |
9.69 |
3.69 |
66.91 |
41.82 |
23.99 |
17.99 |
8.04 |
3.87 |
0.27 |
0.14 |
3.47 |
2.84 |
122.36 |
46.85 |
17.60 |
6.79 |