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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 03078000 CASSELMAN RIVER AT GRANTSVILLE, MD


Garrett County, Maryland
Hydrologic Unit Code 05020006
Latitude  39°42'07.9", Longitude  79°08'11.0" NAD83
Drainage area 62.5  square miles
Gage datum 2,088.56 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 1946-10-01 -> 2020-09-30)

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
1 195 164 239 263 146 102 59 41 28 35 59 143
2 186 168 223 286 140 102 44 46 23 35 62 131
3 178 181 214 243 151 106 53 37 20 38 62 133
4 166 169 287 255 171 108 79 37 22 41 71 140
5 185 169 358 251 186 98 55 40 20 38 96 129
6 157 168 317 222 185 113 57 72 44 35 81 127
7 152 182 254 234 175 110 47 42 50 34 79 161
8 151 179 240 216 189 91 52 35 35 35 87 158
9 141 170 224 241 185 81 62 43 80 52 76 167
10 151 183 242 233 174 89 77 38 49 45 72 170
11 164 187 264 203 175 82 71 32 30 44 70 165
12 183 182 265 219 172 76 53 49 31 38 92 162
13 163 185 324 237 167 94 66 43 39 33 82 155
14 145 187 310 214 152 85 53 33 50 34 71 156
15 159 189 288 223 159 68 52 32 33 69 74 159
16 156 197 241 223 176 73 41 27 34 64 92 159
17 141 180 241 210 158 76 40 36 48 41 89 150
18 147 206 231 179 186 77 33 50 52 44 79 156
19 191 242 248 171 168 67 52 39 63 44 92 148
20 160 217 284 169 152 77 41 42 40 43 103 144
21 141 235 294 155 141 90 36 51 50 45 92 154
22 131 223 284 164 127 69 38 43 59 42 99 154
23 151 242 261 167 130 96 49 44 41 51 97 160
24 194 259 291 179 130 92 41 34 33 62 91 158
25 203 261 259 190 119 68 34 25 42 51 92 165
26 195 224 243 175 114 53 30 21 43 46 109 157
27 176 206 243 164 114 66 36 24 46 51 111 151
28 168 203 274 173 125 64 31 31 56 51 150 134
29 176 216 280 172 114 55 61 23 42 68 145 140
30 185   267 167 95 51 41 26 43 63 124 160
31 173   257   106   48 34   60   163