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USGS 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 14211500 JOHNSON CREEK AT SYCAMORE, OR


Multnomah County, Oregon
Hydrologic Unit Code 17090012
Latitude  45°28'38.84", Longitude 122°30'28.87" NAD83
Drainage area 26.8  square miles
Gage datum 228.47 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 1940-10-01 -> 2025-09-30)

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
1 115 114 96 70 30 14 6.2 2 2.2 5.9 41 98
2 130 107 94 62 32 17 5.9 1.8 2.4 4.7 38 127
3 131 97 96 59 35 16 5.1 1.7 2 5 28 134
4 138 92 92 52 32 19 4.5 1.7 2.4 4.8 33 142
5 128 92 94 54 39 17 4.1 2.2 2.3 4.4 32 123
6 142 116 96 56 43 15 3.8 1.9 3 5.5 35 128
7 150 124 99 58 37 18 3.5 2 2.2 4.5 42 133
8 122 121 87 65 32 19 3.9 1.9 2.2 5.8 42 110
9 127 117 97 64 28 19 4.1 1.7 2.5 8.2 39 109
10 140 122 94 60 26 20 3.7 1.9 2.7 11 39 127
11 127 101 79 60 24 21 3.4 2 2.7 12 56 135
12 136 97 91 57 22 14 2.9 1.8 2.2 9.6 55 133
13 139 93 99 56 22 13 3.1 1.8 2 10 53 128
14 143 88 95 53 27 11 3.2 1.7 2.5 8.8 52 119
15 165 99 106 54 27 12 3.2 1.9 3.6 9.1 71 106
16 147 131 88 49 27 12 3.3 2 3.1 9 72 108
17 153 135 79 46 34 11 3.3 2.1 4.3 10 82 104
18 162 128 78 43 31 9.5 3 1.9 6.8 13 79 97
19 151 134 72 42 26 9.6 3.4 1.9 7.2 14 105 108
20 133 127 66 51 26 11 2.8 2.1 5.5 19 88 144
21 124 113 64 46 24 13 2.5 2 4.5 16 73 162
22 126 103 75 45 24 9.9 2.7 2.4 3.7 19 83 143
23 134 103 73 46 22 8.4 2.5 2.5 4.3 17 98 126
24 135 113 78 45 20 8.7 2.3 2.8 4.4 15 119 125
25 142 100 83 41 20 7.5 2.1 4.2 3.9 14 120 111
26 118 98 80 40 19 7 2.1 3 3.5 15 117 116
27 121 97 72 40 21 6.5 2.1 2.5 4 21 118 148
28 123 97 71 36 18 5.9 2.1 2.3 4.8 20 102 139
29 113 105 83 32 17 6.5 2 2.6 5.3 26 91 133
30 108   89 33 14 5.8 2.1 3 6.3 28 92 132
31 119   81   15   2.1 2.1   34   113