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Meteorological Data <br />Data from the National Climatic Data Center's (NCDC) Hayden Station are <br />used to evaluate the precipitation trend. These data are provided in <br />Appendix B. For this year, 18.43 inches of precipitation was measured, <br />which is 0.17 inch (lo) above the 1981-2015 average, 18.26 inches. All <br />months except October, February, March, June, July, August, and <br />September were above average. Snowpack runoff, as estimated by totaling <br />November through March precipitation values, was 9.66 inches, which was <br />2.29 inches (310) above the 1981-2015 average, 7.37 inches. <br />3 <br />