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USGS Surface-Water 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 -> 2020-09-30)

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
1 119 164 153 190 153 98 46 32 31 34 49 118
2 106 137 150 185 154 96 45 31 31 33 47 126
3 100 127 143 174 153 100 45 31 30 34 45 111
4 99 129 139 164 155 96 43 31 31 34 48 98
5 114 127 135 180 157 98 42 31 31 33 47 92
6 133 124 138 190 154 94 41 31 31 33 50 100
7 138 143 136 191 150 101 41 31 31 35 58 115
8 134 133 138 201 152 106 40 31 31 34 61 105
9 121 159 162 202 155 101 39 31 31 35 59 94
10 117 159 193 193 151 93 38 31 31 35 55 101
11 107 143 178 188 154 89 37 30 31 36 61 112
12 111 136 168 182 150 85 37 30 31 36 67 127
13 114 139 169 182 149 82 37 30 31 35 71 127
14 132 151 173 193 145 78 36 30 31 36 65 119
15 156 153 178 182 142 75 36 30 32 36 64 108
16 158 164 182 173 137 72 35 30 32 36 64 101
17 157 169 179 171 137 69 35 30 32 35 63 100
18 157 165 175 174 137 67 34 30 32 35 63 98
19 152 176 175 176 139 65 34 30 32 36 69 97
20 138 168 171 191 136 63 34 30 32 39 75 102
21 130 167 165 186 127 61 34 30 32 42 78 117
22 127 169 168 172 123 58 33 30 32 43 81 128
23 134 172 167 178 120 55 34 31 32 44 86 131
24 153 175 167 185 115 54 33 31 32 43 94 109
25 153 152 171 169 112 52 33 31 32 41 105 113
26 139 155 174 169 114 56 33 31 32 41 105 114
27 133 144 179 166 114 56 33 30 32 40 102 109
28 146 148 171 164 113 51 33 30 32 40 111 119
29 166 172 174 160 112 50 32 30 32 45 104 125
30 163   184 155 106 48 32 30 34 45 99 127
31 161   188   105   32 30   47   118