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USGS Daily Statistics for Oregon

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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 14211550 JOHNSON CREEK AT MILWAUKIE, OR


Clackamas County, Oregon
Hydrologic Unit Code 17090012
Latitude  45°27'11", Longitude 122°38'31" NAD27
Drainage area 53.17  square miles
Gage datum 0.00 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 1989-10-01 -> 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
1 173 168 140 92 57 38 25 18 18 31 93 147
2 189 136 128 84 58 42 23 18 18 26 61 165
3 174 110 139 86 60 41 22 17 18 25 50 172
4 140 113 133 77 55 45 22 17 19 26 50 155
5 121 133 117 82 55 45 21 19 19 25 57 152
6 118 174 119 80 50 39 21 18 21 23 65 134
7 136 172 123 91 49 38 20 19 19 23 84 170
8 137 171 108 104 51 37 21 18 20 25 65 176
9 139 160 123 93 50 38 23 18 19 31 57 156
10 170 102 134 86 50 38 21 18 19 35 56 173
11 158 99 111 80 49 37 20 18 19 34 93 177
12 146 109 116 76 44 34 20 19 18 27 78 167
13 164 100 126 79 43 32 20 18 18 30 85 162
14 156 99 123 82 47 29 20 17 19 30 72 189
15 159 110 163 96 48 30 19 17 25 33 74 138
16 175 134 137 90 49 29 19 17 22 31 73 138
17 191 150 119 85 71 30 20 19 25 33 95 158
18 223 159 111 78 68 28 20 18 27 41 106 142
19 205 163 108 68 57 27 19 18 24 35 160 106
20 186 168 101 70 51 32 19 19 24 39 143 140
21 158 150 100 61 48 27 19 19 20 38 112 133
22 135 122 109 63 53 27 20 20 19 46 121 125
23 133 142 107 79 51 26 20 20 19 37 121 119
24 147 170 106 83 46 28 19 20 21 38 160 148
25 143 141 108 75 44 27 18 22 20 35 161 133
26 122 112 94 71 41 26 18 20 20 39 139 132
27 108 118 101 74 41 27 18 19 20 62 117 165
28 126 130 100 71 40 25 18 18 24 49 126 208
29 163 115 121 64 40 26 18 19 27 50 119 217
30 185   117 66 36 23 18 20 32 54 127 204
31 196   93   40   18 19   81   174