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USGS Daily Statistics for the Nation

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 12137800 SULTAN RIVER BELOW DIVERSION DAM NEAR SULTAN, WA


Snohomish County, Washington
Hydrologic Unit Code 17110009
Latitude  47°57'34", Longitude 121°47'46" NAD27
Drainage area 77.1  square miles
Gage datum 602.36 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 1982-10-01 -> 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
1 147 422 205 209 221 203 118 113 125 189 281 220
2 154 279 207 200 223 191 123 113 151 192 398 189
3 167 197 212 195 219 185 126 112 164 191 382 174
4 161 239 198 193 213 186 126 112 148 217 340 162
5 187 288 190 197 211 187 128 112 135 279 285 169
6 191 234 188 205 213 182 133 111 131 213 255 166
7 254 206 186 200 212 192 135 114 128 189 276 166
8 200 247 184 206 215 187 127 118 139 196 201 190
9 167 228 201 206 225 190 127 112 123 194 160 173
10 162 191 213 204 207 197 126 110 124 210 199 206
11 169 166 211 207 198 207 124 110 144 200 173 195
12 180 167 224 209 203 192 138 111 155 193 194 192
13 171 178 242 204 213 192 172 118 151 194 228 203
14 172 209 242 218 209 201 158 114 174 204 249 188
15 162 231 237 211 210 197 155 112 192 194 254 181
16 172 211 224 217 205 154 153 114 191 200 276 149
17 177 217 210 224 196 127 160 124 199 207 232 153
18 210 195 223 207 197 131 155 116 194 202 265 160
19 180 210 230 204 218 152 151 114 185 207 233 145
20 179 201 225 207 214 148 158 113 180 231 211 162
21 181 218 247 202 227 145 157 113 183 234 189 152
22 176 248 251 203 210 145 152 113 189 232 185 142
23 191 208 248 209 206 136 150 114 194 219 240 164
24 246 202 261 202 201 129 149 121 197 225 332 153
25 358 202 310 197 212 126 148 118 200 320 295 135
26 271 180 261 193 214 126 147 119 198 296 233 140
27 217 163 226 194 211 123 132 122 191 306 221 145
28 216 186 225 199 193 120 124 120 191 266 209 156
29 232 191 222 197 199 120 118 119 192 222 244 161
30 254   233 197 198 116 114 119 198 208 204 149
31 253   234   207   111 118   227   155