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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 14308990 COW CREEK ABV GALESVILLE RES, NR AZALEA, OR.


Douglas County, Oregon
Hydrologic Unit Code 17100302
Latitude  42°49'24", Longitude 123°07'29" NAD27
Drainage area 64.7  square miles
Gage datum 1,900 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 1985-10-01 -> 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
1 249 172 146 144 81 48 20 11 8.4 10 20 108
2 187 187 154 130 78 46 19 11 8.3 9.9 20 152
3 170 153 179 121 77 44 19 10 8.2 9.9 18 92
4 167 156 168 117 75 49 18 10 8.1 10 19 100
5 136 150 168 119 80 49 18 10 8 10 20 100
6 123 217 172 119 74 44 18 10 8.1 9.6 24 92
7 127 215 158 125 72 41 17 10 8 9.2 23 105
8 170 165 147 158 73 39 17 10 8.5 9.4 22 186
9 232 184 167 140 80 37 17 9.8 8.4 11 28 137
10 235 144 190 128 77 36 16 9.9 8.2 11 27 154
11 203 130 160 127 70 34 16 11 8 11 23 123
12 175 123 148 115 65 34 15 9.7 7.9 11 20 161
13 198 133 189 116 60 34 15 10 7.8 11 21 159
14 241 162 183 110 59 34 14 9.4 7.9 14 24 176
15 185 163 183 104 58 31 14 9.4 8.4 15 22 180
16 187 195 193 102 59 30 14 9.3 8.6 43 26 122
17 237 176 173 109 63 30 14 9 9.1 20 30 128
18 240 221 161 130 72 28 14 9 9.8 16 55 126
19 253 211 152 111 65 27 15 9.1 10 17 63 105
20 269 181 162 107 68 27 14 9.1 9.8 14 64 106
21 217 201 159 113 70 25 13 9 9.2 14 95 125
22 204 187 170 106 67 24 14 9.1 8.8 14 118 119
23 173 172 164 102 58 24 14 9.2 8.5 16 86 102
24 163 155 153 116 55 23 13 9.2 9 15 55 96
25 167 176 141 107 55 23 12 9 11 16 56 108
26 188 149 132 99 52 23 12 8.9 12 17 54 130
27 169 156 131 100 49 22 12 8.6 10 20 50 173
28 164 178 141 95 49 21 11 8.5 9.5 20 62 188
29 149 163 137 89 49 21 11 8.4 11 18 82 223
30 152   163 85 47 21 11 8.8 12 19 84 211
31 154   150   48   11 8.6   22   242