Southwest Interior

 Public Information Statement  Statement as of 2:31 PM PDT on September 23, 2014


For August... precipitation was widely varied across the state but
most areas saw above normal rainfall... especially in eastern
Washington. As for the water year... most of the western half of the
state continues to be near normal for precipitation while the
eastern half continues to be mostly below normal.

In western Washington... the monthly percentage of normal for
precipitation ranged from 55 percent in the Olympics to 150 percent
in the Puget Sound lowlands. The greatest amount of precipitation at
the climate stations for the mountains... coast... and interior
lowlands are 4.32 inches at Cedar Lake on the west slopes of the
Cascades... 1.99 inches at Hoquiam and Aberdeen... and 2.09 inches at
Grays River in the southwest interior.

For eastern Washington... the percentage of normal for precipitation
ranged from 71 percent in the Palouse and Blue Mountains to 275
percent in the Central Basin. The greatest amount of precipitation
at climate stations for the mountains and lowlands was 1.76 inches
in Mazama and Stehekin on the eastern slopes of the Cascades... and
2.22 inches at Bickleton in the Central Basin.

The outlook for September and beyond... for the next two weeks the
outlook is for below normal precipitation for all of Washington. The
monthly outlook for September is calling for below normal
precipitation for western WA and equal chances of
normal... above... or below normal precipitation for eastern WA. The
three month outlook from September to November calls for below
normal precipitation for the entire state.

The Table below gives precipitation figures as a percent of normal
for regions of Washington. The current water year began 1 October
2013 and ends 30 September 2014.

                        August water year past 3 past 12
                         2014 to date months months
western Washington
coast 69 81 56 88
Olympics 55 75 53 83
northwest interior 67 102 79 109
Puget Sound lowlands 150 90 93 101
southwest interior 91 85 83 97
west foothills casca 137 103 107 112
Cascades west 146 100 115 109

Eastern Washington
east slopes Cascades 245 90 114 103
Okanogan 244 87 118 95
Central Basin 275 72 108 79
northeast 192 83 114 94
Palouse and blue mtn 71 83 88 92



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.

                  August water year past 12 months
               inches pct inches pct inches pct

Quillayute 0.69 28 73.08 76 82.67 86
Hoquiam 1.99 152 55.76 85 63.29 96
Bellingham 0.84 66 30.55 91 35.20 103
Seattle 1.81 206 36.88 102 43.05 118
Olympia 1.45 154 41.25 85 50.61 105
longview* 1.30 113 40.20 88 49.08 105

Concrete 2.08 122 69.35 103 78.43 115
Snoqualmie fall 1.88 146 59.53 101 66.82 111
randle* 1.84 152 55.88 103 64.03 115
Diablo dam 0.88 53 71.39 96 82.21 112
Stampede Pass 4.20 273 84.85 110 93.55 118
Paradise 3.18 161 117.82 104 132.21 114

Winthrop 1.34 248 11.55 81 13.98 102
Stehekin 1.76 284 32.95 94 38.51 114
Leavenworth 1.04 226 17.78 73 21.54 89
Mount Adams 0.98 151 45.16 101 52.42 117
Wenatchee 0.83 437 4.52 51 5.33 80
Yakima 0.90 346 4.79 61 5.09 64

Coulee Dam 1.76 629 10.39 100 11.04 113
Lind 0.61 197 6.73 72 7.33 86
Republic 1.35 167 13.72 85 17.22 109
Spokane 0.58 98 12.33 78 13.89 88
Pullman 0.50 28 14.78 79 17.44 88
Dayton 0.23 46 12.50 68 15.10 81

* = estimated



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