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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 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 -> 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
1 351 333 395 414 398 314 257 207 203 237 299 344
2 337 335 404 409 395 307 258 202 204 233 311 343
3 334 330 396 412 386 301 254 207 200 247 307 337
4 339 324 397 410 376 289 244 201 198 265 296 329
5 344 330 410 411 366 287 238 204 192 264 296 325
6 332 329 402 418 355 287 242 205 189 254 299 327
7 321 329 397 417 352 281 237 208 189 248 295 330
8 322 335 398 401 347 290 233 206 195 242 288 331
9 328 334 416 398 344 295 226 203 196 242 285 325
10 327 341 430 396 349 296 230 201 200 247 301 320
11 338 340 431 391 353 290 231 199 196 250 306 323
12 348 337 430 394 363 293 223 194 200 248 301 336
13 348 334 433 390 367 292 226 194 212 245 297 342
14 342 329 442 392 368 292 224 194 225 256 291 335
15 325 329 434 403 377 290 219 196 239 270 292 342
16 311 333 425 403 373 287 225 208 231 273 297 337
17 316 340 421 390 359 276 226 212 223 280 299 323
18 332 350 419 384 351 272 228 210 220 288 300 312
19 333 357 415 389 345 269 233 207 212 284 311 309
20 326 370 416 409 330 273 236 215 219 282 316 312
21 326 402 413 407 322 280 235 221 219 282 314 317
22 330 412 405 398 325 278 230 212 218 275 309 320
23 346 416 402 403 326 273 232 207 221 277 305 323
24 352 411 399 394 320 271 234 207 226 287 309 322
25 347 401 399 392 314 284 225 209 226 298 306 332
26 341 381 400 388 314 292 216 210 236 304 312 329
27 335 385 399 375 309 296 213 210 238 305 333 327
28 329 385 401 382 310 278 213 214 231 293 359 335
29 333 358 408 390 310 262 215 221 232 283 359 340
30 346   411 387 310 254 214 216 240 283 351 349
31 340   412   317   214 212   292   357