SNOTEL SUMMARY FOR

THE PACIFIC NORTHWEST REGION

As of TUESDAY: MAY 13 , 2008
   [ 0-100% ] [101-200% ]  [201-300% ] [301-400% ]   [401-500% ]

DRAINAGE BASINS
(rcvd Tue 8:55am MDT)
SNOW WATER
EQUIVALENT
(% OF AVG)
ACCUM WtrYr
PRECIP
(% OF AVG)

STATE: IDAHO

  IDAHO PANHANDLE REGION 138 107
  CLEARWATER BASIN 153 111
  SALMON BASIN 125 101
  WEISER BASIN 203 108
  PAYETTE BASIN 125 102
  BOISE BASIN 98 100
  BIG WOOD BASIN 97 93
  LITTLE WOOD BASIN 98 96
  BIG LOST BASIN 87 93
  LITTLE LOST, BIRCH BASINS 101 93
  MEDICINE LODGE, BEAVER, CAMAS BASINS 127 96
  HENRYS FORK, TETON BASINS 136 110
  SNAKE BASIN ABOVE PALISADES 121 104
  WILLOW, BLACKFOOT, PORTNEUF BASINS 132 96
  OAKLEY BASIN 118 108
  SALMON FALLS BASIN 112 104
  BRUNEAU BASIN 115 101
  OWYHEE BASIN 78 100
  BEAR RIVER BASIN 109 93

STATE: MONTANA

  KOOTENAI RIVER BASIN 145 105
  FLATHEAD RIVER BASIN 129 97
  UPPER CLARK FORK RIVER BASIN 109 90
  BITTERROOT RIVER BASIN 155 104
  LOWER CLARK FORK RIVER BASIN 146 107

STATE: NEVADA

  SNAKE RIVER 116 100
  OWYHEE RIVER 62 96

STATE: OREGON

  OWYHEE 78 100
  MALHEUR 190 101
  GRANDE RONDE, POWDER, BURNT, IMNAHA 182 108
  UMATILLA, WALLA WALLA, WILLOW 203 105
  JOHN DAY 132 100
  UPPER DESCHUTES, CROOKED 186 111
  HOOD, SANDY, LOWER DESCHUTES 288 119
  COAST RANGE 0 77
  WILLAMETTE 0 108
  ROGUE, UMPQUA 173 108
  LAKE COUNTY, GOOSE LAKE 53 88
  HARNEY 102 94

STATE: WASHINGTON

  PRIEST, COEUR D'ALENE, ST.
  JOE, SPOKANE, PALOUSE BASINS
139 107
  COLUMBIA ABOVE METHOW 110 *
  CHELAN, ENTIAT, WENATCHEE 117 94
  UPPER YAKIMA 158 98
  LOWER YAKIMA 142 103
  WALLA WALLA, TOUCHET 236 118
  LEWIS, COWLITZ 230 104
  WHITE, GREEN, PUYALLUP 174 94
  CEDAR, SNOQUALMIE, SKYKOMISH, TOLT 257 100
  BAKER, SKAGIT, NOOKSACK 131 94
  OLYMPIC 172 105

STATE: WYOMING

  SNAKE RIVER 127 107

The Snow Water Equivalent Percent of Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day.

The Accumulated Precipitation Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day.

Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values

*    = Data are not available or may not provide a valid measure of conditions for over half of the sites within the basin.

Refer to the state or basin daily SNOTEL Update Reports for a complete data listing of individual SNOTEL sites and basin analysis as well as any past update reports since November 6, 1997.

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