801  
NOUS46 KSEW 090358  
PNSSEW  
 
WASHINGTON PRECIPITATION SUMMARY  
NATIONAL WEATHER SERVICE SEATTLE WA  
900 PM PDT MON JUL 8 2019  
 
JUNE WAS ANOTHER BELOW NORMAL MONTH FOR PRECIPITATION, BUT UNLIKE  
MAY, IT WAS FOR THE ENTIRE STATE OF WASHINGTON. FOR SOME SITES  
ACROSS THE STATE, JUNE 2019 WAS IN THEIR TOP TEN DRIEST FOR JUNE.  
FOR THE WATER YEAR, MOST OF REGIONS IN WASHINGTON STATE WERE BELOW  
NORMAL. HOWEVER, A FEW REGIONS ARE NEAR NORMAL FOR THE WATER YEAR,  
WHICH ARE THE NORTHWEST INTERIOR ON THE WEST SIDE, AND THE CENTRAL  
BASIN AND PALOUSE AND BLUE MOUNTAINS REGIONS ON THE EAST SIDE.  
 
FOR WESTERN WASHINGTON, THE MONTHLY PERCENTAGE OF NORMAL FOR  
PRECIPITATION RANGED FROM 32 PERCENT ON THE COAST TO 69 PERCENT IN  
THE NORTHWEST INTERIOR AND WESTERN SLOPES OF THE CASCADES. THE  
GREATEST AMOUNT OF PRECIPITATION AT THE CLIMATE STATIONS FOR THE  
MOUNTAINS, COAST AND INTERIOR LOWLANDS WAS 3.94 INCHES AT PALMER ON  
THE WESTERN FOOTHILLS OF THE CASCADES, 0.99 AT QUILLAYUTE, AND 2.37  
INCHES AT SEDRO WOOLLEY IN THE NORTHWEST INTERIOR.  
 
FOR EASTERN WASHINGTON, THE PERCENTAGE OF NORMAL FOR PRECIPITATION  
RANGED FROM 13 PERCENT IN THE OKANOGAN REGION TO 63 PERCENT IN THE  
PALOUSE AND BLUE MOUNTAINS REGION. THE GREATEST AMOUNT OF  
PRECIPITATION AT THE CLIMATE STATIONS FOR THE MOUNTAINS AND LOWLANDS  
WAS 1.61 INCHES AT STEHEKIN ON THE EASTERN SLOPES OF THE CASCADES,  
AND 1.06 AT NORTHPORT IN THE NORTHEAST REGION.  
 
THE OUTLOOK FOR JULY AND BEYOND FOR WASHINGTON STATE, FOR THE NEXT  
TWO WEEKS THE OUTLOOK IS FOR ABOVE NORMAL PRECIPITATION. THE  
MONTHLY OUTLOOK FOR JULY IS FOR BELOW NORMAL PRECIPITATION FOR THE  
STATE. THE THREE MONTH OUTLOOK FOR JULY THROUGH SEPTEMBER CALLS FOR  
EQUAL CHANCES OF ABOVE, BELOW OR NEAR NORMAL PRECIPITATION FOR THE  
STATE.  
 
THE TABLE BELOW GIVES PRECIPITATION FIGURES AS A PERCENT OF NORMAL  
FOR REGIONS OF WASHINGTON. THE CURRENT WATER YEAR BEGAN 1 OCTOBER  
2018 AND ENDS 30 SEPTEMBER 2019.  
 
JULY WATER YEAR PAST 3 PAST 12  
2019 TO DATE MONTHS MONTHS  
WESTERN WASHINGTON  
COAST 32 78 59 78  
OLYMPICS 39 77 61 78  
NORTHWEST INTERIOR 69 90 92 89  
PUGET SOUND LOWLANDS 33 78 65 79  
SOUTHWEST INTERIOR 51 74 74 73  
WEST FOOTHILLS CASCA 66 80 84 80  
CASCADES WEST 69 83 89 83  
 
EASTERN WASHINGTON  
EAST SLOPES CASCADES 62 84 104 80  
OKANOGAN 13 83 82 74  
CENTRAL BASIN 31 102 94 92  
NORTHEAST 39 84 63 76  
PALOUSE AND BLUE MTN 63 110 158 95  
 
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.  
 
JULY WATER YEAR PAST 12 MONTHS  
INCHES PCT INCHES PCT INCHES PCT  
 
QUILLAYUTE 0.99 28 76.56 84 84.60 89  
HOQUIAM 0.74 33 47.61 76 50.05 77  
BELLINGHAM 1.54 84 26.74 86 29.17 87  
SEATTLE 0.90 57 30.15 88 31.44 86  
OLYMPIA 0.17 10 32.91 70 35.21 72  
LONGVIEW* 1.16 51 31.84 72 34.93 75  
 
CONCRETE 1.87 63 50.15 78 55.31 81  
SNOQUALMIE FALL 2.40 82 42.70 76 47.26 81  
RANDLE* 1.95 66 41.46 80 45.47 83  
DIABLO DAM 1.50 62 57.03 80 62.90 84  
STAMPEDE PASS 2.20 64 59.07 80 62.46 81  
PARADISE 2.90 71 98.07 89 106.50 92  
 
WINTHROP 0.38 32 10.72 82 11.12 79  
STEHEKIN 1.61 185 31.70 93 33.11 92  
LEAVENWORTH* 0.66 62 20.84 89 20.94 85  
MOUNT ADAMS 0.04 3 37.15 85 38.05 84  
WENATCHEE 0.43 65 6.72 81 6.73 75  
YAKIMA 0.02 3 8.08 109 8.09 104  
 
COULEE DAM 0.03 3 8.89 94 8.98 85  
LIND 0.20 33 8.00 92 8.06 83  
REPUBLIC 0.70 36 12.14 87 13.39 91  
SPOKANE 0.44 35 14.34 98 14.42 90  
PULLMAN 0.89 137 18.16 117 18.55 98  
DAYTON 0.50 39 17.73 102 17.88 99  
 
* = ESTIMATED  
 

 
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