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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 -> 2022-09-30)

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
1 308 350 425 381 293 297 272 159 216 230 278 388
2 324 303 415 334 331 291 276 192 166 225 258 347
3 360 336 415 287 331 301 264 244 197 252 245 394
4 341 387 420 326 356 252 254 183 235 256 253 365
5 335 398 391 345 333 256 236 232 242 248 229 321
6 311 365 413 342 272 254 222 225 225 240 226 349
7 286 333 447 344 285 276 216 193 194 229 221 382
8 292 326 431 287 332 253 246 164 219 223 184 368
9 301 333 433 241 355 225 222 145 321 215 188 338
10 323 298 428 249 354 223 207 157 312 212 224 324
11 328 266 423 258 313 252 185 171 300 223 223 311
12 309 289 449 297 288 285 213 200 284 247 206 322
13 305 314 463 325 293 253 224 188 256 225 219 323
14 302 316 474 362 296 244 278 229 239 233 228 368
15 288 306 489 365 282 238 282 249 243 244 222 492
16 268 316 503 346 307 229 234 195 211 258 237 479
17 284 349 471 432 320 219 212 146 200 254 263 434
18 295 357 416 499 330 217 241 152 186 242 303 382
19 318 357 400 457 309 226 223 197 223 264 299 345
20 356 361 416 414 342 269 198 169 281 285 268 329
21 400 370 428 337 337 279 186 170 280 316 260 321
22 429 379 485 308 329 235 165 223 254 296 256 312
23 402 390 488 291 303 244 208 247 196 276 263 295
24 387 419 458 259 263 288 258 200 170 268 275 306
25 391 431 433 277 245 295 245 171 169 245 274 331
26 426 408 416 305 224 302 230 160 179 233 275 389
27 423 411 415 314 223 286 220 145 167 235 273 387
28 389 425 427 304 222 318 202 148 177 261 277 382
29 411 574 425 310 225 312 176 163 184 281 345 362
30 393   438 311 306 270 160 197 207 284 420 343
31 390   420   306   160 218   276   320