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Table 1A <br />United - Gunnison West Pit <br />Evaporation Depletions and Potential C.U. Credits for Areas Inundated by Pit Ponds: 2014 -2015 <br />178 Acres of Exposed Groundwater Area during SWSP, excluding Pre -1981 Area <br />Notes: <br />(1) Annual value from NOAA Technical Report NWS 33 for site near Gunnison, Colorado. Annual rate distributed according to SEO monthly percentages for elevation above 6,500 ft <br />(2) Equals Column 1 / 12 <br />(3) Equals Column 2 x exposed groundwater area (see Figure 2) <br />(4) Mean Monthly Temperature from NOAA recording station Gunnison 1 N <br />(5) If Column 4 Is less than 32 °F (i e icing will occur), then equals zero. If Column 4 Is greater than 32 °F, then equals Column 3 <br />(6) Potential consumptive use without precipitation is calculated with StateCU using Upper Gunnison High Elevation Calibration Coefficient If Potential CU > Gross Evaporation then Gross <br />Evaporation was used instead <br />(7) Equals Column 6 x exposed groundwater area (see Figure 2). <br />(8) Equals Column 5 - Column 7 <br />P \061- 052 \030- Gunnison West \SWSP Renewal 2013 \Tables\ Wright Water Engineers, Inc <br />Tables SWSP - Nov 2013 prf November 2013 des RKH <br />T1A Evap Depl- Credit DRAFT ckd PRF <br />Gravel Pit Evaporative Depletion <br />Credit for Potential C.U. Below Gravel Pit <br />Evaporative Depletions <br />Month <br />Gross Evaporation <br />Gross Evaporation <br />Gross Evaporation <br />from Pit Surface Area <br />Mean Monthly <br />Temperature in <br />Gunnison <br />Gross Evaporation <br />Adjusted for Icing <br />Potential C.U. Rate <br />No Effective Precip <br />Potential CU from <br />Area Inundated by Pit <br />Ponds <br />after Potential CU <br />Credit <br />inches <br />feet <br />acre -feet <br />°F <br />acre -feet <br />feet <br />acre -feet <br />acre -feet <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />January <br />04 <br />00 <br />06 <br />92 <br />00 <br />00 <br />00 <br />00 <br />February <br />1.2 <br />0 1 <br />1 8 <br />146 <br />0.0 <br />0.0 <br />0.0 <br />00 <br />March <br />24 <br />0.2 <br />36 <br />266 <br />00 <br />00 <br />00 <br />00 <br />April <br />36 <br />0.3 <br />53 <br />391 <br />53 <br />00 <br />02 <br />5.1 <br />May <br />50 <br />0.4 <br />7.4 <br />479 <br />7.4 <br />04 <br />74 <br />00 <br />June <br />6.2 <br />0.5 <br />9.2 <br />559 <br />9.2 <br />05 <br />9.1 <br />0.1 <br />July <br />64 <br />05 <br />95 <br />61 7 <br />9.5 <br />0.5 <br />9.0 <br />0.5 <br />August <br />52 <br />04 <br />77 <br />598 <br />7.7 <br />0.4 <br />76 <br />01 <br />September <br />44 <br />04 <br />6.5 <br />522 <br />65 <br />04 <br />63 <br />0.2 <br />October <br />30 <br />03 <br />45 <br />41.6 <br />45 <br />0.0 <br />0.0 <br />4.5 <br />November <br />1 6 <br />0.1 <br />24 <br />279 <br />00 <br />0.0 <br />0.0 <br />0.0 <br />December <br />06 <br />01 <br />09 <br />13.5 <br />0 0 <br />0.0 <br />00 <br />0 0 <br />Total <br />1 40.0 <br />3.3 <br />59.3 <br />1 <br />50.1 <br />2.2 <br />3�9_._61 <br />10.5 <br />178 Acres of Exposed Groundwater Area during SWSP, excluding Pre -1981 Area <br />Notes: <br />(1) Annual value from NOAA Technical Report NWS 33 for site near Gunnison, Colorado. Annual rate distributed according to SEO monthly percentages for elevation above 6,500 ft <br />(2) Equals Column 1 / 12 <br />(3) Equals Column 2 x exposed groundwater area (see Figure 2) <br />(4) Mean Monthly Temperature from NOAA recording station Gunnison 1 N <br />(5) If Column 4 Is less than 32 °F (i e icing will occur), then equals zero. If Column 4 Is greater than 32 °F, then equals Column 3 <br />(6) Potential consumptive use without precipitation is calculated with StateCU using Upper Gunnison High Elevation Calibration Coefficient If Potential CU > Gross Evaporation then Gross <br />Evaporation was used instead <br />(7) Equals Column 6 x exposed groundwater area (see Figure 2). <br />(8) Equals Column 5 - Column 7 <br />P \061- 052 \030- Gunnison West \SWSP Renewal 2013 \Tables\ Wright Water Engineers, Inc <br />Tables SWSP - Nov 2013 prf November 2013 des RKH <br />T1A Evap Depl- Credit DRAFT ckd PRF <br />