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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 12097500 GREENWATER RIVER AT GREENWATER, WA


King County, Washington
Hydrologic Unit Code 17110014
Latitude  47°09'13", Longitude 121°38'04" NAD27
Drainage area 73.5  square miles
Gage datum 1,724.81 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 1928-10-01 -> 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
1 240 271 212 249 340 431 222 81 53 52 114 226
2 231 245 205 247 349 429 213 79 53 52 116 253
3 231 233 200 237 361 427 207 77 51 54 127 233
4 218 238 199 233 370 424 198 75 50 54 137 215
5 252 234 201 235 377 423 191 74 50 53 139 206
6 242 264 203 245 380 419 185 72 50 50 144 208
7 292 311 193 253 386 417 179 71 49 50 162 204
8 293 305 183 253 392 409 173 70 49 53 154 206
9 249 273 190 252 402 402 167 68 48 56 138 269
10 231 239 192 254 411 398 160 66 48 60 139 271
11 232 223 189 260 419 396 155 65 49 64 149 287
12 235 212 198 265 428 385 149 64 47 63 181 283
13 245 206 201 274 438 379 146 63 46 60 196 264
14 245 210 198 287 445 371 141 62 47 59 177 246
15 264 237 198 285 473 365 137 62 48 61 164 241
16 299 230 199 282 474 359 132 61 48 63 170 234
17 283 222 199 287 476 351 128 59 49 62 194 227
18 278 212 202 297 476 338 124 59 51 65 182 234
19 261 216 209 297 474 328 119 58 50 69 165 227
20 255 215 210 316 470 319 115 57 50 72 175 247
21 253 222 207 324 462 315 111 57 50 74 182 260
22 253 256 207 319 457 306 108 56 48 98 193 260
23 281 218 205 316 451 294 104 56 48 92 213 261
24 283 204 213 321 449 283 101 56 49 90 231 247
25 271 201 224 321 453 271 98 55 49 98 248 236
26 253 204 218 320 459 258 95 55 51 93 253 230
27 239 200 215 323 463 248 92 55 54 88 236 226
28 247 209 213 329 462 241 90 54 53 97 261 239
29 268 251 213 333 459 236 88 53 51 98 259 257
30 272   226 339 454 229 85 54 53 101 223 268
31 284   246   443   83 53   112   241