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<br />BUREAU OF RECLAMATION PRELIMINARY ESTIMATES OF <br />PROJECT SEEDING RESULTS * <br /> <br />1-1. <br /> <br />TABLE <br /> <br />n e SAN JUAN Mount n <br /> <br />About 90 Snowfall Days in Typical Winter = 24 inches (water equivalent <br />50 days unsuitable for Seeding = 10 inches <br />40 days suitable for Seeding = 14 inches <br />Average 150;0 decrease from Seeding unsuitable days <br />Average 55% increase from Seeding suitable days <br /> <br />Seeding on all snowfall day-!.Jas Wolf Creek Pass Experiment) <br />10 inches from 50 unsuitable days with 15% decrease = 8.5 inches <br />14 inches from 40 suitable days with 550;0 increase = 21.7 inches <br />30.2 inc <br />25% overal <br /> <br />f <br /> <br />..uitable day.!... <br />= 10.0 inches <br />= 7.0 inches <br />ncrease = 10.8 inches <br />27.8 inches <br />160;0 overall <br /> <br />an average!!.!! Increase of 6,2 inches or about <br /> <br />Project with random ization and restrictions <br />- - Only Seed. about half or 20 of the ... <br />10 inches from 50 unsuitable days Ino seeding) <br />7 inches from 20 suitable days (no seeding) <br />7 inches from 20 suitable days Seeded with 55' <br /> <br />ot <br /> <br />P <br /> <br />~ <br />I <br />-J <br /> <br />Project} <br />= 10.0 inches <br />ncrease = 21.7 inches <br />31.7 inches <br /> <br />an average about 3.8 inches or about <br /> <br />e with Seeding on a suitable daY...L(Operationa <br />10 inches from 50 unsuitable days (no seedingl <br />14 inches from 40 suitable days Seeded with 55% <br /> <br />ncrease of <br /> <br />Possib <br /> <br />320;0 overa <br /> <br />about <br /> <br />or <br /> <br />nches <br /> <br />7.7 <br /> <br />an average Increase of <br /> <br />1970: <br /> <br />* Bureau of Reclamation, Atmospheric Water Resources Program Manuscript, <br />The Colorado River Basin Pilot Project <br />