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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 01470960 Tulpehocken Cr at Blue Marsh Damsite near Reading


Berks County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°22'14", Longitude  76°01'32" NAD27
Drainage area 175  square miles
Contributing drainage area 175  square miles
Gage datum 230.06 feet above NGVD29
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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 1978-10-01 -> 2021-09-30)

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
1 307 355 406 382 295 298 276 160 204 230 269 388
2 323 305 384 333 334 290 278 194 168 226 258 347
3 359 338 394 285 335 303 266 247 154 253 246 394
4 335 391 403 326 358 254 256 186 162 256 254 365
5 324 402 380 345 334 258 238 236 171 247 229 321
6 307 369 408 343 273 256 224 228 207 241 226 349
7 285 337 443 346 288 279 219 196 183 229 221 382
8 291 330 429 288 337 256 250 166 214 223 183 368
9 300 338 431 241 360 226 223 147 290 216 187 338
10 322 302 427 248 357 223 207 159 300 213 225 324
11 329 269 419 258 316 254 187 173 293 223 224 311
12 310 292 446 287 291 289 212 201 280 248 205 322
13 306 318 462 316 296 256 220 189 253 226 217 323
14 303 320 473 359 300 246 278 231 236 234 226 368
15 290 310 488 364 285 240 284 253 241 243 218 492
16 269 316 505 346 311 229 236 198 205 256 234 486
17 286 345 476 434 324 221 213 148 198 252 263 439
18 297 354 419 502 335 220 243 153 185 239 305 386
19 319 358 398 461 314 229 224 195 223 261 300 348
20 358 362 411 418 347 273 199 168 280 283 269 332
21 404 372 424 339 342 283 187 171 264 315 260 325
22 434 383 485 309 334 238 166 225 234 295 257 315
23 406 394 492 293 307 247 209 248 191 274 264 298
24 391 423 461 260 266 292 261 199 168 267 277 308
25 395 435 435 278 248 300 248 171 168 242 276 333
26 431 410 418 307 226 307 232 160 179 230 277 372
27 429 412 417 316 224 291 223 145 166 232 274 357
28 395 427 429 306 224 322 204 133 176 259 279 354
29 417 574 427 312 228 316 179 151 183 280 345 345
30 399   440 314 310 274 162 175 206 277 420 338
31 396   422   311   161 183   258   319