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USGS Surface-Water Daily Statistics for Oregon

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 14138900 NORTH FORK BULL RUN RIVER NEAR MULTNOMAH FALLS, OR


Multnomah County, Oregon
Hydrologic Unit Code 17080001
Latitude  45°29'40", Longitude 122°02'05" NAD27
Drainage area 8.32  square miles
Gage datum 1,065 feet above NAVD88
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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 1965-10-01 -> 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
1 107 117 91 93 82 57 32 16 18 31 83 159
2 104 101 91 92 85 62 32 17 18 25 84 186
3 111 84 87 87 90 55 32 16 18 28 78 140
4 123 86 85 80 84 58 29 15 17 27 99 146
5 126 87 95 87 87 55 27 15 17 26 88 127
6 137 100 92 93 87 59 26 15 18 27 102 127
7 144 121 91 100 87 64 25 16 19 29 118 130
8 137 90 81 105 80 61 25 16 17 29 99 110
9 138 96 101 104 79 57 25 15 16 34 90 117
10 123 95 96 102 77 62 25 15 18 32 85 119
11 120 81 91 105 75 59 25 15 18 36 102 135
12 137 94 94 98 70 58 24 15 17 37 120 131
13 173 97 91 100 71 55 26 15 16 39 117 150
14 169 102 92 98 83 52 24 15 16 39 99 123
15 152 109 101 92 79 47 22 15 19 41 97 111
16 156 129 98 93 78 47 21 15 19 36 104 118
17 148 131 88 88 78 44 21 15 23 33 119 111
18 151 126 100 83 76 45 21 15 27 38 99 102
19 147 142 92 81 75 45 20 15 24 46 107 97
20 139 130 87 89 69 42 20 16 27 50 109 136
21 118 115 83 82 69 39 20 17 24 56 110 132
22 95 114 86 80 69 38 20 17 21 69 116 117
23 135 118 90 89 70 37 21 17 25 55 119 117
24 134 95 85 97 67 37 21 18 29 50 125 116
25 127 84 90 92 65 42 20 21 26 57 162 116
26 105 77 85 91 65 40 20 21 22 59 122 113
27 96 87 89 95 66 38 19 19 23 66 117 137
28 104 97 93 88 65 35 19 18 26 66 123 145
29 108 91 104 83 70 37 18 17 29 67 120 128
30 112   109 90 68 33 17 19 29 71 126 127
31 122   99   61   16 17   96   106