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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 01589000 PATAPSCO RIVER AT HOLLOFIELD, MD


Baltimore County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°18'37.1", Longitude  76°47'32.7" NAD83
Drainage area 285  square miles
Gage datum 186.9 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 1943-10-01 -> 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
1 323 233 300 343 346 262 179 152 167 181 162 169
2 285 259 288 329 262 367 145 133 102 155 129 166
3 217 278 270 301 258 279 153 118 84 139 152 152
4 215 295 266 291 299 254 142 244 115 113 141 198
5 212 250 296 326 289 232 147 169 105 107 140 173
6 211 276 304 306 337 230 147 145 156 104 133 190
7 191 362 295 301 274 220 137 159 144 102 149 206
8 180 280 273 283 253 208 164 118 165 100 141 221
9 226 235 264 276 241 179 163 106 159 123 115 218
10 203 231 257 285 232 198 144 125 146 155 143 196
11 201 240 303 247 243 234 132 109 165 145 130 310
12 211 280 300 244 257 192 129 125 184 126 143 225
13 198 288 283 327 244 214 163 201 132 110 146 211
14 217 306 319 334 235 237 146 126 129 118 143 209
15 203 274 294 330 238 175 155 111 100 116 123 205
16 197 257 261 317 317 165 131 93 92 104 142 282
17 174 265 263 294 291 165 124 115 94 96 129 228
18 172 239 252 260 281 152 183 130 120 124 126 216
19 174 259 286 241 269 184 136 102 130 125 124 171
20 241 242 273 241 251 210 125 103 97 114 164 163
21 243 244 310 224 231 201 279 97 100 108 184 222
22 207 264 340 221 237 628 184 117 125 100 203 221
23 184 295 332 222 244 283 215 98 170 146 187 200
24 261 286 314 230 240 244 190 85 168 114 162 203
25 269 310 277 245 253 191 157 92 183 108 249 228
26 306 347 313 291 302 165 164 84 475 124 185 222
27 239 307 294 362 243 196 130 137 204 137 159 208
28 227 301 279 303 255 168 126 112 183 126 187 200
29 207 279 292 260 241 161 116 83 142 200 229 206
30 204   316 370 243 205 146 76 140 211 195 244
31 297   332   250   118 79   148   229