Public Information Statement
Issued by NWS Seattle/Tacoma, WA

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NOUS46 KSEW 211929 AAA
PNSSEW

WASHINGTON PRECIPITATION SUMMARY...AMENDED
NATIONAL WEATHER SERVICE SEATTLE WA
1229 PM PDT TUE APR 21 2015

MARCH BROUGHT NEAR TO ABOVE NORMAL PRECIPITATION FOR NEARLY ALL OF
WASHINGTON STATE. THE EXCEPTIONS WERE THE SOUTHWEST INTERIOR AND
EAST SLOPES OF THE CASCADES...WHICH SAW BELOW NORMAL PRECIPITATION
FOR THE MONTH. REACHING THE HALFWAY POINT FOR THE WATER YEAR...ALL
OF THE REGIONS ARE SEEING NEAR TO ABOVE NORMAL PRECIPITATION.

IN WESTERN WASHINGTON...THE MONTHLY PERCENTAGE OF NORMAL FOR
PRECIPITATION RANGED FROM 89 PERCENT IN THE SOUTHWEST INTERIOR TO
140 PERCENT IN THE NORTHWEST INTERIOR. THE GREATEST AMOUNT OF
PRECIPITATION AT THE CLIMATE STATIONS FOR THE
MOUNTAINS...COAST...AND INTERIOR LOWLANDS WAS 15.39 INCHES AT FORKS
IN THE OLYMPICS...16.75 INCHES AT CLEARWATER...AND 9.89 INCHES AT
GRAYS RIVER IN THE SOUTHWEST INTERIOR.

FOR EASTERN WASHINGTON...THE PERCENTAGE OF NORMAL FOR PRECIPITATION
RANGED FROM 85 PERCENT ON THE EAST SLOPES OF THE CASCADES TO 128
PERCENT IN THE PALOUSE AND BLUE MOUNTAINS. THE GREATEST AMOUNT OF
PRECIPITATION AT CLIMATE STATIONS FOR THE MOUNTAINS AND LOWLANDS WAS
3.09 INCHES AT ROSALIA IN THE PALOUSE AND BLUE MOUNTAINS...AND 3.32
INCHES AT NEWPORT IN THE NORTHEAST REGION.

THE OUTLOOK FOR APRIL AND BEYOND...FOR THE NEXT TWO WEEKS THE
OUTLOOK IS FOR ABOVE NORMAL PRECIPITATION FOR WASHINGTON STATE. THE
MONTHLY OUTLOOK FOR APRIL IS CALLING FOR EQUAL CHANCES OF
ABOVE...BELOW...OR NEAR NORMAL PRECIPITATION FOR THE STATE. THE
THREE MONTH OUTLOOK FROM APRIL TO JUNE IS CALLING FOR BELOW NORMAL
PRECIPITATION FOR WESTERN TWO THIRDS OF WASHINGTON...WITH EQUAL
CHANCES OF ABOVE...BELOW...OR NEAR NORMAL PRECIPITATION FOR THE
EASTERN THIRD.

THE TABLE BELOW GIVES PRECIPITATION FIGURES AS A PERCENT OF NORMAL
FOR REGIONS OF WASHINGTON.  THE CURRENT WATER YEAR BEGAN 1 OCTOBER
2014 AND ENDS 30 SEPTEMBER 2015.

                        MARCH      WATER YEAR     PAST 3       PAST 12
                         2015       TO DATE       MONTHS        MONTHS
WESTERN WASHINGTON
  COAST                   120          106           99           105
  OLYMPICS                 98          103           86           101
  NORTHWEST INTERIOR      140          122          123           121
  PUGET SOUND LOWLANDS     95          101           94           107
  SOUTHWEST INTERIOR       89           91           86            96
  WEST FOOTHILLS CASCA    100          103           95           106
  CASCADES WEST           103          104           94           108

EASTERN WASHINGTON
  EAST SLOPES CASCADES     85          101           85            98
  OKANOGAN                 95          109           85           105
  CENTRAL BASIN            94           98           94            93
  NORTHEAST               122           94          100            96
  PALOUSE AND BLUE MTN    128          106           91            98



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.

                     MARCH            WATER YEAR       PAST 12 MONTHS
                INCHES    PCT       INCHES    PCT       INCHES    PCT

QUILLAYUTE       14.71    136        79.29    106       101.31    118
HOQUIAM           6.74     96        54.03    104        72.53    128
BELLINGHAM        3.95    127        29.68    123        42.55    136
SEATTLE           4.47    120        29.78    106        42.65    139
OLYMPIA           5.94    112        36.93     94        50.20    119
LONGVIEW          3.81     81        28.77     83        41.16    104

CONCRETE          7.66    112        55.64    106        77.18    130
SNOQUALMIE FALL   6.21     99        44.69    100        64.92    126
RANDLE*           5.31    100        42.91    103        60.72    126
DIABLO DAM       10.21    144        68.57    113        85.98    136
STAMPEDE PASS     6.30     83        56.30     92        78.85    114
PARADISE         11.80     94        96.97    106       129.07    129

WINTHROP          0.95     92        11.45    115        15.91    117
STEHEKIN          2.98    104        33.21    109        38.36    126
LEAVENWORTH       1.62     78        21.44    106        24.27    110
MOUNT ADAMS*      4.65     85        35.89     94        45.14    122
WENATCHEE         0.65    107         5.36     84         7.59     91
YAKIMA            0.73    118         4.52     80         6.61     87

COULEE DAM        0.82     90         7.42    117        14.55    148
LIND              1.23    119         6.76    105         9.52    110
REPUBLIC          1.88    149         9.88    112        18.56    122
SPOKANE           2.43    151        10.11     96        14.67    106
PULLMAN           2.50    158        13.10     98        17.72    101
DAYTON            1.87     86        12.44     99        18.05    107

* = ESTIMATED

$$
GRUB










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