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USGS Daily Statistics for Maryland

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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 -> 2020-09-30)

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
1 329 208 401 391 204 154 59 69 37 143 153 243
2 390 312 375 469 171 237 57 75 49 93 135 265
3 306 360 304 366 227 142 69 71 47 93 189 271
4 334 399 401 345 309 159 78 106 74 55 112 295
5 257 334 636 415 292 155 86 55 46 70 140 337
6 245 294 557 303 328 125 74 39 171 49 121 237
7 222 372 557 277 290 133 97 40 140 36 126 326
8 303 292 413 253 219 103 105 65 150 59 205 272
9 314 228 398 269 204 94 87 76 120 206 213 272
10 281 283 391 333 184 111 140 65 110 138 144 251
11 211 290 481 201 164 125 60 60 77 133 127 472
12 232 280 407 209 278 152 81 63 58 114 166 366
13 240 334 456 369 206 182 95 160 54 86 185 348
14 241 426 501 381 176 133 61 111 76 92 123 322
15 269 393 493 428 179 113 71 55 138 104 157 250
16 298 340 360 413 367 73 98 35 50 130 158 342
17 195 322 418 378 234 105 88 38 77 92 191 320
18 218 360 310 209 233 101 105 85 203 113 136 229
19 287 377 407 191 252 261 92 53 117 167 144 208
20 427 408 480 292 204 121 59 56 66 126 191 214
21 269 442 547 266 292 178 79 62 92 111 186 340
22 275 406 690 294 273 333 136 67 143 65 280 266
23 291 496 580 211 180 238 100 59 215 122 307 258
24 438 624 523 232 158 91 91 46 108 98 152 252
25 432 518 383 233 144 83 78 53 167 99 226 286
26 397 476 351 279 169 136 62 35 195 168 201 379
27 424 406 397 273 130 141 94 31 132 140 183 309
28 368 380 362 283 186 209 71 31 191 154 362 236
29 250 387 392 212 246 78 78 31 131 180 383 252
30 258   430 264 166 63 55 22 121 221 325 375
31 281   343   144   55 32   134   268