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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 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 -> 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
1 117 115 93 71 30 14 6.3 2 2.2 6 42 99
2 131 107 92 62 32 17 6 1.8 2.4 4.8 38 126
3 133 97 95 59 35 15 5.1 1.7 2 5 28 132
4 139 92 92 52 31 19 4.5 1.7 2.4 4.8 32 141
5 130 93 94 54 36 17 4.1 2.2 2.3 4.5 32 120
6 142 117 96 56 41 15 3.9 1.9 3 5.6 33 124
7 150 125 99 58 36 18 3.5 2 2.2 4.5 42 132
8 122 122 87 66 31 19 3.9 1.9 2.2 5.8 42 110
9 126 118 97 64 28 19 4.2 1.7 2.4 8.2 39 109
10 138 123 94 61 26 20 3.8 1.9 2.6 11 39 122
11 127 102 79 60 24 22 3.4 2 2.4 12 57 134
12 136 97 91 58 22 14 3 1.8 2 9.6 55 134
13 140 93 100 57 22 13 3.1 1.8 2 10 54 129
14 144 88 96 54 27 11 3.2 1.8 2.5 8.8 53 120
15 166 98 106 55 27 12 3.2 1.9 3.6 9.1 72 107
16 148 131 88 50 27 12 3.3 2 3.1 9 73 109
17 154 136 80 47 34 11 3.4 2.1 4.3 10 83 105
18 162 128 78 43 32 9.6 3.1 1.8 6.9 13 80 98
19 151 135 72 42 26 9.6 3.5 1.9 7.3 14 106 109
20 133 127 66 51 26 11 2.8 2.1 5.5 19 89 146
21 122 113 64 47 24 13 2.5 2 4.6 16 74 163
22 121 103 76 45 24 10 2.7 2.4 3.8 19 84 144
23 130 104 73 46 22 8.5 2.5 2.5 4.3 17 99 127
24 133 114 78 45 20 8.8 2.3 2.8 4.4 16 121 126
25 140 100 84 41 20 7.6 2.1 4.3 3.8 13 121 111
26 117 96 81 40 19 7 2.1 3 3.5 15 119 116
27 114 96 72 40 21 6.6 2.1 2.5 4 21 119 149
28 120 97 70 36 18 6 2.1 2.3 4.8 21 103 141
29 112 82 83 33 17 6.5 2 2.6 5.3 27 92 135
30 108   90 33 14 5.8 2.1 3 6.4 28 94 133
31 119   82   15   2.1 2.2   34   114