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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
1 353 337 395 416 397 313 257 207 203 237 299 344
2 339 338 403 413 394 306 258 202 204 233 311 342
3 334 332 395 422 385 300 254 207 200 247 307 336
4 340 326 397 420 375 289 244 201 198 265 296 329
5 344 331 413 418 367 288 238 204 192 264 296 324
6 332 330 406 423 356 288 242 205 189 254 301 327
7 320 329 399 419 352 282 237 208 189 248 296 330
8 322 335 400 402 347 291 233 206 195 242 289 330
9 328 333 416 399 344 295 226 203 196 242 285 326
10 327 340 430 397 348 295 230 201 200 247 301 321
11 337 339 431 392 352 289 231 199 196 250 306 324
12 348 336 429 394 361 292 223 194 200 248 301 336
13 347 334 432 390 366 292 226 194 212 245 296 342
14 341 328 440 392 367 292 224 194 225 256 291 334
15 324 328 433 403 376 289 219 196 239 270 292 342
16 311 332 425 402 372 286 225 208 231 273 297 338
17 316 338 422 390 358 276 226 212 223 280 299 324
18 331 348 419 384 350 272 228 210 220 288 300 313
19 332 355 415 388 344 269 233 207 212 284 311 309
20 325 368 417 408 329 273 236 215 219 282 316 312
21 325 400 414 406 322 280 235 221 219 282 314 316
22 329 410 405 397 325 278 230 212 218 275 309 319
23 345 414 401 402 327 273 232 207 221 277 307 322
24 351 409 399 393 320 271 234 207 226 287 310 321
25 345 400 399 391 314 284 225 209 226 298 306 331
26 339 381 399 388 314 292 216 210 236 304 312 328
27 334 386 398 374 308 296 213 210 238 305 332 326
28 328 385 401 381 309 278 213 214 231 293 358 334
29 332 358 408 389 310 262 215 221 232 283 358 340
30 344   411 386 310 254 214 216 240 283 350 353
31 340   414   317   214 212   292   360