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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 01613095 TONOLOWAY CREEK NEAR HANCOCK, MD


Washington County, Maryland
Hydrologic Unit Code 02070004
Latitude  39°42'22.9", Longitude  78°09'09.9" NAD83
Drainage area 113  square miles
Gage datum 398.83 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 2005-10-01 -> 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
1 139 134 356 162 216 76 42 67 11 52 92 197
2 132 147 342 145 158 112 32 102 13 52 61 138
3 159 166 232 159 155 121 27 67 13 52 55 121
4 145 172 187 179 262 110 26 49 9.7 40 45 95
5 117 167 397 145 380 143 35 102 9.1 31 76 77
6 96 146 228 145 320 127 30 45 14 23 78 71
7 100 139 236 162 251 77 61 41 150 22 61 154
8 119 168 196 134 209 57 47 44 64 23 60 193
9 103 138 183 123 162 55 32 33 211 20 110 145
10 117 113 337 108 130 53 27 35 335 19 118 146
11 169 144 378 151 127 183 22 31 123 24 63 100
12 203 165 273 159 277 94 24 23 118 41 59 118
13 202 152 276 213 257 76 22 37 184 31 67 81
14 163 133 298 178 234 61 24 35 109 46 57 83
15 130 124 207 279 234 50 20 23 115 63 50 100
16 127 178 163 308 280 44 15 17 57 46 85 235
17 126 189 134 294 202 42 13 16 37 33 127 156
18 150 154 123 185 291 89 17 18 48 32 98 119
19 127 140 166 162 238 56 20 13 40 26 90 127
20 119 142 176 302 178 56 22 13 27 27 83 131
21 96 157 163 365 129 68 34 72 21 21 73 155
22 79 194 191 263 106 51 23 82 18 20 71 177
23 122 195 152 214 141 52 27 42 15 19 166 153
24 191 214 142 166 128 69 52 28 14 33 113 166
25 371 322 136 141 98 49 70 21 95 35 114 239
26 228 269 128 137 86 47 47 29 101 33 79 250
27 165 207 121 167 103 153 28 26 66 31 82 222
28 135 225 129 221 93 257 27 18 266 59 62 197
29 109 183 192 234 114 102 103 15 111 139 63 210
30 96   181 239 106 65 41 13 66 389 122 194
31 185   166   107   31 13   144   147