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Issued by NWS Seattle/Tacoma, WA

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000 NOUS46 KSEW 040430 PNSSEW Washington Precipitation Summary National Weather Service Seattle WA 930 PM PST Wed Mar 3 2021 February saw near to above normal precipitation for nearly all of Washington state. The lone exception was the Okanogan region in Eastern Washington which saw below normal precipitation. For the Water Year, nearly all of Washington is still near to above normal with the exception being the Central Basin in Eastern Washington which is below normal. For Western Washington, the monthly percentage of normal for precipitation ranged from 103 percent in the Olympics to 205 percent in the Northwest Interior. The greatest amount of precipitation at the climate stations for the mountains, coast and interior lowlands was 21.75 inches at Stampede Pass on the western slopes of the Cascades, 11.54 at Quillayute, and 10.13 inches at Elma in the Southwest Interior. For Eastern Washington, the percentage of normal for precipitation ranged from 37 percent in the Okanogan region to 152 percent on the eastern slopes of the Cascades. The greatest amount of precipitation at the climate stations for the mountains and lowlands was 6.62 inches at Stehekin on the eastern slopes of the Cascades, and 2.39 at Republic in the Northeast region. The outlook for March and beyond for Washington state, for the next two weeks the outlook is for above normal precipitation. The monthly outlook for March calls for equal chance of above, below and near normal precipitation for the state. The three month outlook for March through May calls for above normal precipitation. The table below gives precipitation figures as a percent of normal for regions of Washington. The current water year began 1 October 2020 and ends 30 September 2021. February Water year Past 3 Past 12 2021 to date months months Western Washington Coast 116 112 125 102 Olympics 103 99 108 95 Northwest Interior 205 128 150 114 Puget Sound Lowlands 130 114 128 110 Southwest Interior 134 103 111 99 West Foothills Casca 161 113 123 106 Cascades West 173 116 119 107 Eastern Washington East Slopes Cascades 152 118 117 100 Okanogan 37 99 100 89 Central Basin 97 82 78 78 Northeast 120 118 127 105 Palouse and Blue Mtn 105 104 101 97 The table below expresses precipitation in inches and as a percent of normal for a variety of locations around the state. Occasionally missing data at a site are estimated using observed data from surrounding stations. February Water year Past 12 months Inches Pct Inches Pct Inches Pct Quillayute 11.54 111 68.84 108 98.25 99 Hoquiam 8.75 121 52.87 117 70.96 105 Bellingham* 5.96 205 27.14 129 41.98 119 Seattle 4.68 134 28.24 115 41.47 111 Olympia 7.84 149 40.49 120 54.23 108 Longview 8.00 163 33.39 111 49.22 103 Concrete 12.87 197 55.09 121 79.84 113 Snoqualmie Fall 7.51 139 40.18 104 61.84 100 Randle* 9.77 161 41.56 114 61.19 107 Diablo Dam 12.44 170 56.99 107 77.31 100 Stampede Pass 21.75 287 75.91 142 101.71 125 Paradise* 21.97 173 90.49 115 123.09 104 Winthrop 1.08 81 11.93 133 14.50 98 Stehekin 6.62 173 36.91 134 43.70 121 Leavenworth* 4.01 152 24.44 134 28.75 115 Mount Adams* 7.83 152 36.40 111 42.31 92 Wenatchee 0.91 91 5.52 96 7.28 80 Yakima 0.94 121 4.39 87 5.97 72 Coulee Dam 0.26 27 6.20 114 10.64 99 Lind 0.65 79 4.63 85 9.60 98 Republic 2.39 206 10.60 140 20.96 124 Spokane 0.84 63 9.34 105 14.96 90 Pullman 2.38 83 12.09 102 19.78 97 Dayton 2.49 146 10.05 97 16.51 87 * = Estimated $$ Grub

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