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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 -> 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
1 321 203 411 387 245 149 57 67 90 138 149 236
2 396 301 369 456 178 227 55 74 102 90 131 258
3 303 347 299 355 226 137 67 69 50 90 182 261
4 331 409 429 334 303 153 76 103 73 54 108 284
5 254 329 617 400 286 149 83 55 45 68 135 324
6 240 285 538 297 352 121 72 39 165 48 117 229
7 218 376 537 288 370 128 102 44 136 36 121 311
8 297 288 399 260 237 99 102 65 145 57 196 260
9 331 223 384 266 213 91 85 74 126 196 204 260
10 344 276 380 325 185 108 135 63 109 132 138 242
11 213 284 464 207 164 122 59 58 76 127 122 460
12 247 273 393 211 271 148 78 61 58 110 168 353
13 258 325 440 374 201 176 94 153 53 83 184 333
14 240 412 482 376 172 128 60 106 74 89 121 313
15 263 379 476 418 176 110 69 53 132 100 152 258
16 288 337 348 402 356 71 95 34 51 125 155 355
17 192 322 403 366 227 101 85 37 76 89 186 336
18 214 360 301 205 226 97 102 82 195 109 132 281
19 278 369 402 195 246 249 89 58 113 160 139 209
20 414 395 465 285 198 116 58 55 64 121 183 209
21 262 427 527 259 281 170 76 60 88 106 177 325
22 265 392 661 285 262 319 131 64 137 62 279 259
23 288 478 557 206 175 230 96 57 292 117 293 315
24 421 604 510 227 153 90 88 44 114 94 150 276
25 456 523 380 228 140 81 75 51 165 95 218 336
26 403 472 348 272 163 131 60 34 190 161 192 367
27 416 408 386 269 126 135 90 30 129 135 175 299
28 384 396 356 275 180 200 68 29 184 148 343 238
29 252 376 387 221 237 75 75 30 127 178 362 247
30 253   418 329 162 61 54 22 116 231 310 368
31 272   334   140   53 31   133   264