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Table 1: Plant Factors(PF)for established Water Balance-Recharge Analysis landscape plants,turfgrasses, and garden crops to provide acceptable performance in California *** Ave. Available Net Rainfall Precip. Month Avg. Precip. Runoff Potential ETo Actual ET Recharge Plant Type Plant * (in/month) Volume (in/month) (in/month) Factor (fraction) (in/month) (in/month) Jan 1.65 0.00 1 1.65 1.47 0.51 1.14 Tree,Shrubs,Vines,Groundcovers Feb 0.62 0.00 0.62 2.18 0.76 0.00 (woody plants) 0.5 Mar 0.78 0.00 0.78 3.93 1.37 0.00 Herbaceous Perennials 0.5 Apr 0.83 0.00 0.83 5.81 2.02 0.00 Desert Adapted Plants 0.3 May 0.14 0.00 0.14 7.88 2.74 0.00 Annual Flowers& Bedding Plants Jun 0.10 0.00 0.10 9.11 3.17 0.00 0.8 Jul 0.00 0.00 0.00 9.06 3.15 0.00 General Turfgrass Lawns, cool season Aug 0.00 0.00 0.00 7.95 2.76 0.00 (tall fescue, Ky. Bluegrass, rye, bent) 0.8 Sep 0.27 0.00 0.27 6.07 2.11 0.00 General Turfgrass Lawns, warm season Oct 0.63 0.00 0.63 3.65 1.27 0.00 (Bermuda, zoysia,St.Augustine, 0.6 Nov 1.15 0.00 1.15 2.01 0.70 0.45 Home Fruit Crops,deciduous 0.8 Dec 2.19 0.00 2.19 1.36 0.47 1.72 Home Fruit Crops, evergreen 1.0 Total 8.36 8.36 1 60.48 1 21.02 3.31 Home Vegetable Crops 1.0 * ETo adjustment factor of 0.3475 for a mix of vegetation and landscape conditions per below Seasonal Vegetation/Vacant land 0.45 Source: CIMIS Station Tracy 167 'University of California Center for Landscape and Urban Horticulture, Using ANSI/ASABE 5623 and SLIDE to Estimate Landscape Water Land Condition Faction of Total Plant Factor** Product Requirements Impervious area 0.30 0.1 0.03 Trees, shrubs,groundcover 0.05 0.5 0.025 Irerracon Turfgrass, cool season 0.00 0.8 0 Home fruit crops, Evergreen 0.00 1.0 0 Seasonal Vegetation/Vacant 0.65 1 0.45 0.2925 Job Name: Pickens Composite 1.00 0.3475 Job#: NA207032 ** Plant factor per UC reference,see Table 1. By: T.Woods Date: May-20