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ATTACHMENT 2 <br /> <br />Water Balance Analysis - French Camp/Stockton <br />(ETo Climate Zone 12) <br />Month <br />Ave <br />Precip. <br />(in/month) <br />Average <br />Runoff <br />Rate (%) <br />Available <br />Precip. <br />(in/month) <br />Potential <br />ETo <br />(in/month) <br />Adjusted <br />ET <br />(in/month) <br />Net Rainfall <br />Recharge <br />(in/month) <br />Jan 3.43 0.00 3.43 1.24 0.50 2.93 <br />Feb 3.11 0.00 3.11 1.96 0.78 2.33 <br />Mar 2.68 0.00 2.68 3.41 1.36 1.32 <br />Apr 1.42 0.00 1.42 5.10 2.04 0.00 <br />May 0.55 0.00 0.55 6.82 2.73 0.00 <br />Jun 0.12 0.00 0.12 7.80 3.12 0.00 <br />Jul 0.04 0.00 0.04 8.06 3.22 0.00 <br />Aug 0.04 0.00 0.04 7.13 2.85 0.00 <br />Sep 0.28 0.00 0.28 5.40 2.16 0.00 <br />Oct 0.98 0.00 0.98 3.72 1.49 0.00 <br />Nov 2.17 0.00 2.17 1.80 0.72 1.45 <br />Dec 3.03 0.00 3.03 0.93 0.37 2.66 <br />Total 17.85 17.85 53.37 21.35 10.68 <br /> Notes: <br /> 1. Ave monthly precip for Stockton (internet) <br /> 2. "Available Precip", assumes all runoff contained and percolated locally <br />3. Reference ETo obtained from CIMIS for Zone 12, Central Valley <br /> 4. Potential ET adjusted with 0.4 composite plant factor multiplier; <br /> (assumes 1.0 acre landscaped at 0.8, 1.5 acres hardscape at 0.1) <br />