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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 -> 2023-09-30)

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
1 119 163 154 189 156 99 46 32 31 34 50 115
2 107 139 153 185 156 97 45 32 31 34 47 123
3 101 127 146 174 155 101 45 31 31 35 45 108
4 101 128 141 164 156 97 43 31 31 34 52 96
5 116 126 137 179 158 100 42 31 31 34 54 91
6 133 153 140 188 156 97 41 31 31 34 53 98
7 140 193 137 189 162 102 41 31 31 35 59 113
8 136 145 138 198 160 106 40 31 31 34 62 103
9 122 162 160 200 158 100 39 31 31 35 60 93
10 118 159 190 193 152 93 38 31 31 35 55 99
11 108 144 175 190 154 89 37 31 31 36 61 110
12 113 136 165 183 150 86 37 30 31 36 68 125
13 120 139 166 181 149 97 37 30 31 36 72 125
14 136 150 171 190 147 88 36 30 32 36 65 117
15 157 152 177 179 146 80 36 30 32 36 65 106
16 158 163 181 171 141 75 35 30 32 36 64 100
17 156 166 178 169 140 71 35 30 32 36 63 99
18 156 162 173 173 139 68 34 30 32 36 64 97
19 150 173 174 176 140 66 34 30 32 37 69 96
20 141 166 170 190 138 63 34 30 33 40 75 106
21 134 165 165 186 132 61 34 30 32 42 77 121
22 128 168 167 172 125 58 33 31 32 44 80 129
23 134 173 167 178 121 56 34 31 33 45 85 130
24 152 174 167 185 116 54 33 31 32 44 93 109
25 151 151 171 170 112 52 33 31 32 42 103 112
26 139 153 173 170 114 56 33 31 33 41 103 113
27 133 142 178 167 114 56 32 31 33 40 101 114
28 145 146 170 165 113 51 32 30 33 41 108 120
29 165 172 174 161 113 50 32 30 33 46 102 124
30 162   184 158 108 48 32 30 34 45 97 126
31 159   188   107   32 31   47   118