Glacier National Park, Montana

0900 Slide Spectrum Series (1985 - 1995)

Cumulative Frequency Summary

Spectrum Sequence #	Representative Visibility Condition Summary			Representative Cumulative Frequency of Reconstructed Extinction IMPROVE Aerosol Data (1988 - 1998)
	dv	bext (Mm^-1)	VR (km)
1 of 13	1	11	370	< 1%
2 of 13	4	16	250	< 1%
3 of 13	5	17	230	1%
4 of 13	7	20	200	2%
5 of 13	9	24	160	10%
6 of 13	10	28	140	15%
7 of 13	11	30	130	20%
8 of 13	13	36	110	30%
9 of 13	16	49	80	70%
10 of 13	21	78	50	95%
11 of 13	23	98	40	97%
12 of 13	26	130	30	>99%
13 of 13	30	196	20	>99%

Prepared by Air Resource Specialists, Inc.

for the IMPROVE Program

1998