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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 -> 2025-09-30)

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
1 125 126 333 165 222 68 35 54 90 47 77 161
2 137 135 325 191 158 93 28 82 103 49 51 114
3 150 151 240 303 149 109 24 54 29 48 46 101
4 134 198 265 258 240 93 23 41 17 38 38 81
5 109 173 390 171 340 118 30 83 14 29 63 66
6 90 144 229 158 306 105 25 37 22 22 64 61
7 94 140 229 180 396 65 50 35 143 21 51 127
8 110 157 189 160 259 48 39 42 66 23 50 159
9 123 131 214 137 175 47 27 177 176 20 90 121
10 213 110 389 115 135 46 23 60 271 18 96 122
11 183 134 367 147 132 148 19 37 103 22 54 95
12 193 148 263 187 270 80 22 26 99 35 98 115
13 222 163 258 226 242 65 20 34 150 27 73 78
14 166 161 272 182 216 56 20 31 90 39 57 76
15 126 133 196 261 213 45 18 21 94 54 48 98
16 117 174 156 280 250 39 13 16 48 40 78 234
17 114 189 131 264 182 37 12 19 32 30 113 152
18 133 173 120 171 258 73 15 19 41 29 87 143
19 114 149 154 152 214 47 18 18 34 23 79 132
20 108 139 162 271 162 46 19 15 24 24 72 124
21 89 146 149 322 119 56 28 62 18 19 64 139
22 75 173 171 235 98 43 19 70 16 18 80 156
23 114 183 143 193 127 45 22 37 70 17 143 191
24 169 196 141 151 115 59 42 25 42 28 99 164
25 315 282 146 130 89 42 56 18 90 30 97 209
26 204 242 142 125 79 40 38 24 89 28 68 213
27 156 196 129 149 93 124 23 23 60 26 70 190
28 155 224 131 196 84 206 22 16 216 49 54 180
29 134 185 180 208 101 83 82 15 93 114 55 187
30 107   167 234 94 53 34 13 57 316 102 170
31 172   155   94   25 12   119   131