736
NOUS46 KSEW 050340
PNSSEW
WASHINGTON PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE SEATTLE WA
840 PM PDT THU AUG 4 2022
THE WESTERN HALF OF WASHINGTON STATE SAW BELOW NORMAL RAINFALL FOR
THE MONTH OF JULY. FOR THE EASTERN HALF, JULY BROUGHT NEAR TO ABOVE
NORMAL PRECIPITATION. FOR A FEW SPOTS IN EASTERN WASHINGTON, JULY
2022 WAS IN THE THEIR TOP TEN WETTEST. FOR OMAK, IT WAS THE SECOND
WETTEST JULY ON RECORD! FOR THE WATER YEAR, ALL OF WASHINGTON IS
NEAR TO ABOVE NORMAL.
FOR WESTERN WASHINGTON, THE MONTHLY PERCENTAGE OF NORMAL FOR
PRECIPITATION RANGED FROM 25 PERCENT IN THE PUGET SOUND LOWLANDS TO
60 PERCENT IN THE OLYMPICS. THE GREATEST AMOUNT OF PRECIPITATION AT
THE CLIMATE STATIONS FOR THE MOUNTAINS, COAST AND INTERIOR LOWLANDS
WAS 1.21 INCHES AT DIABLO DAM ON THE WESTERN SLOPES OF THE CASCADES,
1.17 AT QUILLAYUTE, AND 0.58 INCHES AT ELMA IN THE SOUTHWEST
INTERIOR.
FOR EASTERN WASHINGTON, THE PERCENTAGE OF NORMAL FOR PRECIPITATION
RANGED FROM 99 PERCENT ON THE EASTERN SLOPES OF THE CASCADES TO 171
PERCENT IN THE OKANOGAN REGION. THE GREATEST AMOUNT OF
PRECIPITATION AT THE CLIMATE STATIONS FOR THE MOUNTAINS AND LOWLANDS
WAS 1.12 INCHES AT MAZAMA ON THE EASTERN SLOPES OF THE CASCADES, AND
1.18 AT CHEWELAH IN THE NORTHEAST REGION.
THE OUTLOOK FOR AUGUST AND BEYOND FOR WASHINGTON STATE, FOR THE NEXT
TWO WEEKS THE OUTLOOK IS FOR NEAR NORMAL PRECIPITATION. THE MONTHLY
OUTLOOK FOR AUGUST CALLS FOR BELOW NORMAL PRECIPITATION FOR THE
NORTHWESTERN HALF OF THE STATE, WHILE EQUAL CHANCES OF ABOVE, BELOW
AND NEAR NORMAL PRECIPITATION IS FORECAST FOR THE SOUTHEASTERN HALF.
THE THREE MONTH OUTLOOK FOR AUGUST THROUGH OCTOBER CALLS FOR EQUAL
CHANCES OF ABOVE, BELOW AND 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
2021 AND ENDS 30 SEPTEMBER 2022.
JULY WATER YEAR PAST 3 PAST 12
2022 TO DATE MONTHS MONTHS
WESTERN WASHINGTON
COAST 54 123 174 125
OLYMPICS 60 119 156 120
NORTHWEST INTERIOR 29 129 131 133
PUGET SOUND LOWLANDS 25 118 162 118
SOUTHWEST INTERIOR 56 121 161 122
WEST FOOTHILLS CASCA 50 119 155 120
CASCADES WEST 53 123 175 125
EASTERN WASHINGTON
EAST SLOPES CASCADES 99 111 165 112
OKANOGAN 171 103 172 106
CENTRAL BASIN 103 105 162 107
NORTHEAST 107 99 124 101
PALOUSE AND BLUE MTN 105 126 207 125
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 1.17 74 125.16 133 135.64 134
HOQUIAM 0.15 18 77.38 119 83.62 122
BELLINGHAM* 0.18 18 46.85 143 53.64 149
SEATTLE 0.18 30 46.00 125 49.13 125
OLYMPIA 0.09 17 58.41 123 61.73 122
LONGVIEW* 0.35 56 51.07 114 54.25 113
CONCRETE 0.57 47 75.45 114 83.35 117
SNOQUALMIE FALL 0.68 55 69.44 118 75.07 119
RANDLE* 0.60 50 64.08 120 69.07 121
DIABLO DAM 1.21 97 92.73 128 102.55 133
STAMPEDE PASS 1.16 90 96.91 122 103.73 122
PARADISE 0.32 23 138.65 126 148.12 127
WINTHROP 0.62 90 15.12 106 16.72 110
STEHEKIN 0.58 126 49.62 140 52.07 141
LEAVENWORTH* 0.44 99 25.51 104 25.77 100
MOUNT ADAMS 0.21 47 50.33 114 53.17 116
WENATCHEE 0.54 225 8.25 112 8.67 111
YAKIMA 0.19 95 6.72 89 7.18 90
COULEE DAM 0.60 122 9.40 91 10.80 98
LIND 0.39 115 10.58 111 11.57 114
REPUBLIC 1.15 99 16.77 101 18.00 100
SPOKANE 0.34 81 15.08 98 16.58 101
PULLMAN 0.45 115 22.47 137 23.67 135
DAYTON 0.37 95 24.00 136 25.04 133
* = ESTIMATED
GRUB
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