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USGS Surface-Water Daily Statistics for the Nation

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 -> 2022-09-30)

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
1 119 164 153 190 154 98 46 32 31 34 50 116
2 107 139 150 185 154 96 45 31 31 34 47 123
3 101 128 143 175 153 100 44 31 30 35 45 109
4 101 129 140 164 155 95 43 31 31 34 48 97
5 116 126 137 180 156 97 42 31 31 34 47 91
6 134 153 140 189 154 94 41 31 31 34 50 99
7 140 195 138 191 150 100 41 31 31 35 58 114
8 136 146 139 200 152 105 40 31 31 34 61 104
9 122 163 162 201 155 100 39 31 31 35 59 94
10 118 160 192 192 150 93 38 31 31 35 55 100
11 108 145 177 188 154 88 37 30 31 36 61 110
12 112 137 167 181 150 85 37 30 31 36 68 125
13 119 140 168 181 148 81 36 30 31 35 72 126
14 136 151 172 192 145 77 36 30 31 36 65 118
15 157 153 177 181 142 75 36 30 32 36 65 107
16 158 164 181 172 137 72 35 30 32 36 64 101
17 156 168 178 170 137 69 35 30 32 36 64 99
18 156 164 174 174 137 66 34 30 32 36 64 98
19 151 175 175 175 139 65 34 30 32 37 69 96
20 141 167 170 190 138 63 34 30 32 40 75 107
21 134 166 165 186 132 60 34 30 32 42 78 122
22 128 169 167 172 125 57 33 31 32 44 80 130
23 134 175 166 178 121 55 34 31 32 45 85 131
24 153 176 166 185 116 54 33 31 32 44 93 110
25 152 152 171 170 113 52 33 31 32 42 104 113
26 139 155 174 170 115 56 33 31 33 41 104 113
27 133 144 179 166 114 55 32 31 33 40 101 109
28 146 147 171 164 113 51 32 30 33 41 109 117
29 166 172 175 160 112 50 32 30 33 46 103 123
30 163   185 156 106 48 32 30 34 45 98 125
31 160   189   105   32 30   47   118