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USGS Daily Statistics for Michigan

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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.
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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 04101800 DOWAGIAC RIVER AT SUMNERVILLE, MI


Cass County, Michigan
Hydrologic Unit Code 04050001
Latitude  41°54'48", Longitude  86°12'47" NAD27
Drainage area 255  square miles
Gage datum 692.04 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 1960-10-01 -> 2026-09-30)

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
1 353 337 395 416 397 313 257 207 202 236 298 343
2 339 338 403 413 394 306 257 202 203 232 310 341
3 334 332 395 422 385 300 253 206 199 246 306 336
4 340 326 397 420 375 289 244 201 198 264 295 328
5 344 331 413 418 367 288 238 204 191 262 295 324
6 332 330 406 423 356 288 241 204 188 252 299 326
7 320 329 399 419 352 282 237 208 188 247 295 329
8 322 335 400 402 347 291 232 205 194 242 288 330
9 328 333 416 399 344 295 226 202 195 242 285 326
10 327 340 430 397 348 295 229 200 199 247 301 321
11 337 339 431 392 352 289 230 198 195 249 306 324
12 348 336 429 394 361 292 223 193 199 247 301 336
13 347 334 432 390 366 292 225 193 210 244 297 342
14 341 328 440 392 367 292 223 193 224 255 292 334
15 324 328 433 403 376 289 218 195 238 269 292 342
16 311 332 425 402 372 286 224 206 230 271 297 338
17 316 338 422 390 358 276 225 211 222 279 298 324
18 331 348 419 384 350 271 227 208 219 286 299 313
19 332 355 415 388 344 269 232 206 210 285 311 309
20 325 368 417 408 329 273 235 214 218 284 315 312
21 325 400 414 406 322 279 234 220 219 283 313 316
22 329 410 405 397 325 277 229 211 218 276 309 319
23 345 414 401 402 327 272 230 206 221 280 306 322
24 351 409 399 393 320 270 233 206 227 290 309 321
25 345 400 399 391 314 284 225 208 227 299 305 331
26 339 381 399 388 314 291 215 209 236 305 311 328
27 334 386 398 374 308 297 213 209 238 305 331 326
28 328 385 401 381 309 279 213 213 231 293 357 334
29 332 358 408 389 310 262 214 220 231 283 356 340
30 344   411 386 310 255 214 215 239 283 349 353
31 340   414   317   214 211   291   360