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USGS Daily Statistics for Washington

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 14013000 MILL CREEK NEAR WALLA WALLA, WA


Walla Walla County, Washington
Hydrologic Unit Code 17070102
Latitude  46°00'29", Longitude 118°07'03" NAD27
Drainage area 59.6  square miles
Gage datum 2,000.00 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1913-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 118 164 156 189 156 99 46 32 31 34 50 114
2 106 139 154 185 156 97 45 32 31 34 47 122
3 101 128 146 174 155 101 44 31 31 35 45 108
4 100 128 141 164 156 97 43 31 31 34 52 98
5 115 126 137 179 158 100 42 31 31 34 55 92
6 133 153 140 188 156 97 41 31 31 34 53 99
7 139 192 137 189 162 102 41 31 31 35 61 113
8 135 145 138 198 160 106 40 31 31 34 63 104
9 122 161 160 200 158 100 39 31 31 35 60 93
10 118 159 190 193 152 93 38 31 31 35 56 104
11 108 144 175 190 154 89 37 31 32 37 61 115
12 112 136 165 183 150 86 37 30 31 36 68 127
13 119 138 166 181 149 97 36 30 31 35 71 126
14 136 149 171 190 147 88 36 30 32 36 65 117
15 156 152 177 179 146 80 36 30 33 36 64 106
16 157 162 181 171 141 75 35 30 32 36 64 100
17 155 165 178 169 140 71 35 30 32 36 63 98
18 155 161 173 173 139 68 34 30 32 36 63 97
19 149 172 174 176 140 66 34 30 32 37 69 95
20 140 165 170 190 138 63 34 30 33 40 75 106
21 134 164 165 186 132 61 34 30 33 42 77 121
22 129 167 167 172 125 58 33 31 32 44 80 128
23 136 172 167 178 121 55 34 31 33 44 85 130
24 155 173 167 185 116 54 33 31 32 44 92 108
25 154 150 171 170 112 52 33 31 32 42 102 112
26 140 156 173 170 114 56 33 31 33 41 102 113
27 134 144 178 167 114 55 33 31 33 40 100 114
28 147 147 170 165 113 51 33 30 33 41 108 120
29 167 175 174 161 113 50 32 30 33 46 102 124
30 163   184 158 108 48 32 30 34 45 96 125
31 160   188   107   32 31   47   117