Public Information Statement
Issued by NWS Seattle/Tacoma, WA

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000
NOUS46 KSEW 062115
PNSSEW

WASHINGTON PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE SEATTLE WA
215 PM PDT WED MAY 6 2015

APRIL SAW BELOW NORMAL PRECIPITATION FOR ALL OF WASHINGTON
STATE...WITH NEARLY ALL AREAS EAST OF THE CASCADES RECEIVING LESS
THAN 50 PERCENT OF NORMAL FOR THE MONTH. IN REGARDS TO THE WATER
YEAR...MOST OF THE REGIONS ARE SEEING NEAR TO ABOVE NORMAL VALUES
WITH THE EXCEPTION OF BELOW NORMAL VALUES IN THE SOUTHWEST INTERIOR
AND NORTHEAST REGIONS.

IN WESTERN WASHINGTON...THE MONTHLY PERCENTAGE OF NORMAL FOR
PRECIPITATION RANGED FROM 63 PERCENT IN THE NORTHWEST INTERIOR TO 71
PERCENT IN THE OLYMPICS AND WESTERN FOOTHILLS OF THE CASCADES. THE
GREATEST AMOUNT OF PRECIPITATION AT THE CLIMATE STATIONS FOR THE
MOUNTAINS...COAST...AND INTERIOR LOWLANDS WAS 7.26 INCHES AT FORKS
IN THE OLYMPICS...6.19 INCHES AT QUILLAYUTE...AND 3.37 INCHES AT
BATTLE GROUND IN THE SOUTHWEST INTERIOR.

FOR EASTERN WASHINGTON...THE PERCENTAGE OF NORMAL FOR PRECIPITATION
RANGED FROM 22 PERCENT ON THE EAST SLOPES OF THE CASCADES TO 53
PERCENT IN THE PALOUSE AND BLUE MOUNTAINS. THE GREATEST AMOUNT OF
PRECIPITATION AT CLIMATE STATIONS FOR THE MOUNTAINS AND LOWLANDS WAS
0.94 INCHES AT ROSALIA IN THE PALOUSE AND BLUE MOUNTAINS...AND 1.43
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 WASHINGTON STATE. THE MONTHLY
OUTLOOK FOR MAY IS CALLING FOR BELOW NORMAL PRECIPITATION FOR THE
WESTERN TWO-THIRDS OF THE STATE...WITH EQUAL CHANCES OF
ABOVE...BELOW...OR NEAR NORMAL PRECIPITATION FOR THE EASTERN THIRD.
THE THREE MONTH OUTLOOK FROM MAY TO JULY IS CALLING FOR EQUAL
CHANCES OF ABOVE...BELOW...OR NEAR 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
2014 AND ENDS 30 SEPTEMBER 2015.

                        APRIL      WATER YEAR     PAST 3       PAST 12
                         2015       TO DATE       MONTHS        MONTHS
WESTERN WASHINGTON
  COAST                    66          102           92           101
  OLYMPICS                 71          100           90            97
  NORTHWEST INTERIOR       63          116          106           117
  PUGET SOUND LOWLANDS     69           98          100           102
  SOUTHWEST INTERIOR       66           89           84            92
  WEST FOOTHILLS CASCA     71          100           93           102
  CASCADES WEST            64          101           91           102

EASTERN WASHINGTON
  EAST SLOPES CASCADES     22           96           71            95
  OKANOGAN                 26          100           75            97
  CENTRAL BASIN            30           91           80            87
  NORTHEAST                46           88           90            90
  PALOUSE AND BLUE MTN     53          101           90            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        6.19     79        85.48    103        97.60    108
HOQUIAM           3.22     63        57.25    100        69.40    112
BELLINGHAM*       1.62     63        31.30    117        41.32    125
SEATTLE           2.03     75        31.81    103        40.50    119
OLYMPIA           1.92     54        38.85     91        47.86    104
LONGVIEW*         2.51     66        31.28     81        39.74     91

CONCRETE          4.20     84        59.84    105        74.81    116
SNOQUALMIE FALL   4.39     91        49.08     99        63.91    112
RANDLE*           2.91     71        45.82    100        58.17    111
DIABLO DAM        2.45     51        71.02    109        82.64    115
STAMPEDE PASS     3.30     63        59.60     90        74.85    101
PARADISE          5.20     63       102.17    103       122.85    113

WINTHROP          0.26     34        11.71    109        15.87    110
STEHEKIN          0.22     14        33.43    105        37.57    107
LEAVENWORTH       0.42     38        21.86    102        24.09     99
MOUNT ADAMS       0.20      8        36.09     89        41.30     99
WENATCHEE         0.30     57         5.66     82         7.65     87
YAKIMA            0.00      0         4.52     73         6.15     80

COULEE DAM        0.23     26         7.65    106        12.05    137
LIND              0.24     29         7.00     96         8.98    100
REPUBLIC          0.34     28        10.22    101        17.14    112
SPOKANE           0.53     41        10.64     90        14.06     92
PULLMAN           0.58     75        13.68     97        16.85     90
DAYTON            0.70     41        13.14     92        16.71     98

* = ESTIMATED

$$
GRUB








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