San Gorgonio Wilderness, California

1500 Slide Spectrum Series (1986 - 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 14	2	12	330	<1%
2 of 14	3	13	290	<1%
3 of 14	4	16	250	2%
4 of 14	6	19	210	5%
5 of 14	7	20	200	10%
6 of 14	8	23	170	10%
7 of 14	10	28	140	20%
8 of 14	12	33	120	25%
9 of 14	15	43	90	40%
10 of 14	16	49	80	40%
11 of 14	21	78	50	70%
12 of 14	23	98	40	85%
13 of 14	33	261	15	>99%
14 of 14	37	391	10	>99%

Prepared by Air Resource Specialists, Inc.

for the IMPROVE Program

2000