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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 -> 2019-09-30)

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
1 305 355 410 382 282 299 280 161 203 235 249 396
2 324 304 389 332 329 290 282 166 166 232 239 346
3 361 339 399 285 330 304 269 177 151 260 230 396
4 336 394 407 327 349 250 259 168 159 263 250 370
5 325 405 383 347 327 238 240 240 168 253 228 326
6 308 371 412 346 269 248 226 232 208 246 226 356
7 285 338 448 350 284 277 219 195 185 235 222 390
8 291 329 433 292 335 253 251 158 216 229 183 375
9 301 338 437 243 360 223 220 138 293 221 187 342
10 325 300 431 251 356 220 207 149 303 218 226 327
11 332 264 421 261 315 252 185 162 299 229 225 312
12 313 288 450 291 290 289 211 196 286 255 203 325
13 306 315 468 314 296 256 215 186 260 232 216 327
14 302 316 480 348 301 246 276 229 242 239 228 374
15 289 308 496 356 285 240 285 253 247 246 221 504
16 268 315 513 342 312 230 236 196 209 257 237 489
17 287 344 484 434 325 221 214 146 201 245 268 439
18 298 353 426 505 336 221 244 151 188 232 313 384
19 321 356 402 462 315 230 225 195 228 258 308 346
20 361 363 414 420 349 275 201 167 288 281 275 332
21 409 374 427 341 345 286 189 170 272 314 266 326
22 440 385 490 312 337 239 167 225 241 294 262 316
23 411 397 497 294 309 247 210 249 196 272 270 298
24 392 427 466 258 267 291 263 200 171 264 282 309
25 382 439 438 276 249 298 250 172 172 238 277 335
26 421 414 421 305 227 308 234 161 183 228 278 375
27 425 416 420 315 223 294 225 145 170 231 278 361
28 390 431 432 304 223 326 206 133 180 252 284 357
29 416 608 423 310 227 321 180 151 187 270 354 348
30 399   435 305 313 278 163 176 206 273 432 339
31 396   420   313   162 184   253   315