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Yearly Normals for Grattan, NE

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 8 30 19 0.48 1427 0 Feb 13 36 25 0.61 1133 0 Mar 22 47 35 1.8 939 0 Apr 34 60 47 2.56 545 2 May 47 71 59 3.94 219 32 Jun 57 81 69 3.53 43 158 Jul 62 87 75 3.33 8 306 Aug 60 85 72 2.76 19 244 Sep 49 76 63 2.49 138 64 Oct 36 64 50 1.87 471 0 Nov 22 45 33 1.13 948 0 Dec 11 33 22 0.45 1328 0 Year 35 60 47 24.95 7218 806 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather