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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 -> 2021-09-30)

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
1 327 205 417 388 233 153 59 68 37 142 152 244
2 396 307 375 463 175 234 57 76 49 92 133 266
3 306 354 303 361 227 141 69 71 48 92 187 269
4 335 391 398 340 307 158 77 107 74 55 111 291
5 257 328 625 408 289 153 85 57 45 69 139 333
6 244 289 547 299 326 124 73 39 169 48 120 235
7 220 384 546 273 288 132 96 45 138 36 124 321
8 299 294 406 249 218 102 104 65 148 58 203 268
9 309 227 391 265 209 94 87 75 119 203 211 267
10 277 280 384 328 184 110 138 65 109 136 142 249
11 209 288 472 208 164 124 60 60 76 131 125 465
12 249 277 400 213 275 150 80 63 58 113 166 361
13 241 331 447 380 204 180 94 158 53 86 185 342
14 239 420 491 382 174 131 60 110 75 91 122 322
15 267 387 483 424 177 112 71 54 136 103 156 255
16 294 343 353 407 360 73 97 35 50 129 156 339
17 194 327 410 372 230 104 87 38 76 91 190 341
18 215 357 305 208 229 100 104 84 201 112 135 234
19 283 373 409 190 247 258 91 52 116 165 142 208
20 420 402 474 288 200 120 59 55 65 125 189 212
21 264 434 538 262 286 176 78 61 91 110 182 334
22 270 399 676 289 267 330 135 66 141 64 274 264
23 286 487 569 208 178 235 99 58 212 121 300 258
24 429 616 515 230 155 91 90 45 107 97 153 279
25 463 527 380 232 142 83 77 52 165 98 225 345
26 398 477 349 277 168 135 62 35 193 166 198 378
27 420 414 392 274 129 140 93 30 131 138 180 306
28 364 401 362 280 184 207 71 30 189 152 354 234
29 248 376 394 210 244 77 77 31 130 178 374 250
30 255   426 301 165 63 55 22 119 220 321 377
31 276   340   143   55 32   134   270