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USGS Surface-Water 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 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 -> 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
1 130 132 342 160 231 70 36 57 93 47 81 169
2 142 141 325 143 165 97 29 86 108 48 54 119
3 156 158 226 153 155 114 25 56 30 48 48 106
4 140 208 260 169 251 97 24 41 18 37 40 85
5 114 180 396 138 356 124 31 87 14 29 66 69
6 94 147 230 142 320 109 27 39 23 22 68 64
7 98 135 230 173 415 67 53 36 151 21 53 134
8 115 157 190 156 271 50 41 40 69 23 52 167
9 129 129 177 134 182 49 29 30 185 20 94 127
10 223 107 315 113 139 47 24 31 286 18 101 128
11 192 132 350 147 129 156 20 29 109 22 57 97
12 203 149 256 153 259 84 24 21 104 36 103 111
13 233 164 257 200 240 68 21 32 158 28 77 76
14 175 159 276 167 218 59 22 30 95 41 59 76
15 132 131 195 257 217 47 18 20 100 57 50 100
16 123 170 155 283 257 41 14 15 50 42 81 244
17 119 177 130 269 187 39 13 18 34 31 118 158
18 139 168 119 172 265 77 16 19 43 30 92 146
19 119 148 156 154 218 49 19 18 36 24 83 134
20 113 140 165 280 164 49 20 14 25 25 75 126
21 93 150 152 335 120 59 30 64 19 19 67 142
22 78 179 177 244 99 45 20 74 17 18 84 161
23 119 190 142 199 130 47 24 38 74 17 150 199
24 178 203 139 156 118 62 44 26 44 29 103 171
25 331 294 146 133 91 44 59 19 95 31 102 218
26 215 251 143 129 80 42 40 25 94 29 71 222
27 163 198 129 155 95 130 24 24 63 28 74 198
28 162 227 131 203 86 217 23 17 227 52 57 188
29 140 183 185 217 105 88 86 16 97 120 57 195
30 112   172 244 96 56 35 13 59 333 106 177
31 180   159   97   26 13   125   136