2016-11-07_REVISION - M1978210 - Laserfiche WebLink

Home Browse Search

4179215 Pages: 7 of 12 02/08/2016 01:54 PM R Fee:$66.00 Carty Koppes, clerk and Recorder, Weld County, Co mill V-191"Miph'i hidw k'IMM'UV'XV f j oik,), 11111 Case No. 12C W304-A Page 7of8 daily standard alfalfa reference crop evapotranspiration (ETr) data published by the Northern Colorado Water Conservancy District ("NCWCD") for the NCWCD Greeley West weather station or, if data from that weather station is not available, with data from the NCWCD Gilcrest weather station. Daily free water surface evaporation shall be calculated by multiplying daily ETr by the factors shown in Table 1 and dividing the result by 12 to determine the daily rate of gross reservoir evaporation in feet. Table 1 Factors to determine daily rate of gross reservoir evaporation Jan 0.70 Feb 0.70 Mar 0.70 Apr 0.66 May 0.70 Jun 0.68 Jul 0.79 Aug 0.76 Sep 0.73 Oct 0.71 Nov 0.70 Dec 0.70 In the event ETr data are not available for either the NCWCD Greeley West or the NCWCD Gilcrest weather stations, Applicants will use the next-nearest weather station located in the South Platte River Basin downstream of Denver, Colorado that complies with the standards then in use by the Northern Colorado Water Conservancy District, or other station located in the South Platte River Basin downstream of Denver, Colorado that complies with the most current standard for automatic agricultural weather stations published by the American Society of Agricultural and Biological Engineers. If no ETr data is available from a weather station located in the South Platte River Basin downstream of Denver, Colorado meeting these standards, daily gross reservoir evaporation shall be estimated as the values shown in Table 2. Any water calculated and determined to have been stored out of priority shall be returned to the Cache la Poudre River within 72 hours.