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USGS Surface-Water 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 01639000 MONOCACY RIVER AT BRIDGEPORT, MD


Frederick County, Maryland
Hydrologic Unit Code 02070009
Latitude  39°40'44.6", Longitude  77°14'04.3" NAD83
Drainage area 173  square miles
Gage datum 340.18 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 1941-10-01 -> 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
1 327 205 417 388 233 152 58 68 92 141 152 244
2 396 307 375 463 175 232 56 75 105 92 133 266
3 306 354 303 361 227 139 68 70 51 91 187 269
4 335 391 398 340 307 156 77 106 75 55 111 291
5 257 328 625 408 289 152 84 56 46 69 139 333
6 244 289 547 299 326 123 73 39 168 48 120 235
7 220 384 546 273 288 130 95 44 138 36 124 321
8 299 294 406 249 218 101 103 65 147 58 203 268
9 309 227 391 265 209 93 86 75 128 201 211 267
10 277 280 384 328 184 110 137 64 111 135 142 249
11 209 288 472 208 164 125 59 59 77 130 125 465
12 249 277 400 213 275 151 79 62 58 112 166 361
13 241 331 447 380 204 180 95 157 54 85 185 342
14 239 420 491 382 174 130 61 109 75 91 122 322
15 267 387 483 424 177 111 70 54 135 103 156 255
16 294 343 353 407 360 72 96 34 52 129 156 339
17 194 327 410 372 230 103 87 37 78 91 190 341
18 215 357 305 208 229 99 104 83 200 112 135 234
19 283 373 409 190 247 255 90 59 116 165 142 208
20 420 402 474 288 200 119 58 56 65 125 189 212
21 264 434 538 262 286 174 77 61 90 110 182 334
22 270 399 676 289 267 326 133 66 140 64 274 264
23 286 487 569 208 178 234 98 58 299 121 300 258
24 429 616 515 230 155 90 89 45 116 97 153 279
25 463 527 380 232 142 82 77 52 167 98 225 345
26 398 477 349 277 166 134 61 34 194 166 198 378
27 420 414 392 274 128 138 92 30 131 138 180 306
28 364 401 362 280 183 205 70 30 188 152 354 234
29 248 376 394 210 242 76 76 31 129 178 374 250
30 255   426 301 165 62 54 22 119 220 321 377
31 276   340   142   54 31   134   270