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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 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
1 327 205 397 389 236 153 59 68 37 142 152 244
2 396 307 371 465 177 234 57 76 49 92 133 266
3 306 354 302 363 229 141 69 71 48 92 187 269
4 335 391 398 342 310 158 77 107 74 55 111 291
5 257 328 630 411 291 153 85 57 45 69 139 333
6 244 289 551 301 328 124 73 39 169 48 120 235
7 220 384 551 275 291 132 96 45 138 36 124 321
8 299 294 409 251 219 102 104 65 148 58 203 268
9 309 227 394 267 210 94 87 75 119 203 211 267
10 277 280 387 330 185 110 138 65 109 136 142 249
11 209 288 476 200 165 124 60 60 76 131 125 465
12 249 277 403 208 277 150 80 63 58 113 166 361
13 241 331 452 381 205 180 94 158 53 86 185 342
14 239 420 496 384 175 131 60 110 75 91 122 322
15 267 387 488 427 178 112 71 54 136 103 156 255
16 294 343 357 410 364 73 97 35 50 129 156 339
17 194 327 414 375 232 104 87 38 76 91 190 341
18 215 357 307 209 232 100 104 84 201 112 135 234
19 283 373 408 190 250 258 91 52 116 165 142 208
20 420 402 478 290 203 120 59 55 65 125 189 212
21 264 434 543 264 290 176 78 61 91 110 182 334
22 270 399 683 292 270 330 135 66 141 64 274 264
23 286 491 574 210 180 235 99 58 212 121 300 258
24 429 618 519 232 157 91 90 45 107 97 153 279
25 463 513 381 233 143 83 77 52 165 98 225 345
26 398 471 351 279 168 135 62 35 193 166 198 378
27 420 406 395 276 129 140 93 30 131 138 180 306
28 364 378 364 283 184 207 71 30 189 152 354 234
29 248 376 394 212 244 77 77 31 130 178 374 250
30 255   429 304 165 63 55 22 119 220 321 377
31 276   342   143   55 32   134   270