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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 -> 2024-09-30)

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
1 306 351 419 370 288 287 262 155 206 225 275 375
2 322 302 407 325 327 282 266 186 159 220 254 337
3 359 334 406 291 325 292 255 234 188 246 239 380
4 347 400 425 335 345 245 245 176 223 252 246 355
5 337 418 406 374 324 247 228 226 230 249 222 315
6 308 374 420 363 269 246 215 254 214 240 219 341
7 284 334 445 345 287 268 210 217 184 225 214 371
8 294 326 427 299 338 247 238 165 208 219 180 357
9 301 330 425 268 358 222 218 142 304 212 183 327
10 315 296 430 263 357 217 227 152 308 210 218 313
11 366 266 432 268 313 242 192 165 303 220 217 309
12 352 288 456 301 286 273 209 192 287 244 201 326
13 348 312 461 325 293 249 216 181 259 222 213 326
14 337 313 467 359 297 241 266 220 239 230 226 364
15 299 301 479 360 283 235 271 244 239 242 222 474
16 280 310 493 340 302 224 226 196 208 258 238 464
17 295 340 462 419 317 213 207 148 197 255 259 425
18 302 350 405 481 324 211 236 149 183 244 295 380
19 318 351 391 452 306 219 218 190 219 265 289 372
20 357 353 405 408 334 259 193 164 274 286 260 376
21 398 361 418 332 329 269 182 164 273 316 253 360
22 419 372 469 305 323 227 164 213 262 297 257 332
23 394 383 472 288 299 238 203 235 207 278 266 306
24 384 408 449 257 259 278 248 191 167 270 273 320
25 389 419 429 273 241 285 235 164 166 246 268 344
26 426 400 413 298 220 297 222 153 177 234 268 397
27 423 403 410 306 219 282 212 139 165 235 269 389
28 389 418 417 295 219 308 194 142 174 260 276 378
29 421 565 412 301 221 301 171 156 181 279 336 357
30 410   425 302 296 261 156 188 203 281 402 339
31 402   408   296   155 208   272   318