Arlington, WA

After a drier than normal March for most of the state... April 2013
did bring April showers that brought near to wetter than normal
conditions for all of Washington. Every region saw 100 percent of
normal or greater precipitation for the month except the northeast
region... which saw 94 percent. The state continues to see near or
above normal values for the water year.

In western Washington... the monthly percentage of normal for
precipitation ranged from 105 percent for the southwest interior to
174 percent in the northwest interior. The greatest amount of
precipitation at the climate stations for the
mountains... coast... and interior lowlands was 16.46 inches at Cedar
Lake in the western Cascades... 12.02 inches at Clearwater... and
11.53 inches at Palmer in the west foothills of the Cascades.

For eastern Washington... the percentage of normal for precipitation
ranged from 94 percent over the northeast region to 143 percent
over the east slopes of the Cascades. The greatest amount of
precipitation at climate stations for the mountains and lowlands was
3.33 inches at The Mount Adams Ranger station on the east slopes of
the Cascades... and 2.78 inches at Newport in the northeast region.

The outlook for may and beyond... for the next two weeks the outlook
is for near normal precipitation for all of Washington. The monthly
outlook for may is calling for drier than normal conditions for all
of Washington... with a higher probability of drier than normal
conditions for the western half of the state. The three month
outlook from may to July calls for drier than normal conditions 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
2012 and ends 30 September 2013.

                         April water year past 3 past 12
                         2013 to date months months
western Washington
coast 138 115 113 111
Olympics 116 102 96 99
northwest interior 176 121 121 114
Puget Sound lowlands 160 114 93 111
southwest interior 105 98 76 96
west foothills casca 158 109 104 105
Cascades west 156 102 101 99

Eastern Washington
east slopes Cascades 143 98 68 91
Okanogan 100 111 61 95
Central Basin 103 102 65 98
northeast 94 107 64 90
Palouse and blue mtn 111 94 75 93



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.

                     April water year past 12 months
                inches pct inches pct inches pct

Quillayute 10.93 139 96.00 116 110.28 111
Hoquiam 7.40 145 67.35 118 75.39 112
Bellingham 4.93 190 29.82 111 37.79 107
Seattle 5.89 217 36.21 117 42.29 113
Olympia 4.52 128 43.31 102 49.29 99
longview* 3.96 105 39.08 101 47.48 99

Concrete 7.21 144 62.47 109 73.35 104
Snoqualmie falls* 8.50 177 53.38 108 63.29 102
randle* 6.84 166 51.39 112 61.59 108
Diablo dam 6.68 139 72.65 111 81.51 106
Stampede pass* 12.90 245 73.35 111 84.75 104
Paradise 13.72 165 101.79 102 120.34 102

Winthrop 0.93 122 11.53 107 12.55 85
Stehekin 1.56 98 32.64 102 35.86 99
Leavenworth 2.15 194 20.85 97 21.57 86
Mount Adams 3.33 136 40.30 99 44.66 97
Wenatchee 0.84 183 5.79 98 6.48 81
Yakima 0.40 73 5.10 82 6.41 78

Coulee Dam 0.84 97 6.88 95 8.06 75
Lind 0.50 60 7.81 107 9.86 101
Republic 1.07 87 13.55 134 17.73 105
Spokane 0.94 73 11.49 97 13.84 84
Pullman 2.37 135 13.22 87 15.90 78
Dayton 1.47 85 12.24 86 18.31 96

* = estimated