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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 64.2  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 -> 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
1 208 161 264 261 148 100 57 40 49 35 60 141
2 207 164 230 282 146 100 43 45 31 38 61 129
3 188 178 216 240 159 103 52 36 21 39 61 132
4 172 174 287 250 184 105 76 36 22 40 70 138
5 186 169 352 245 193 95 53 39 21 38 93 128
6 158 166 311 224 192 109 55 69 43 34 78 125
7 152 178 250 232 189 106 45 41 49 34 76 158
8 150 176 236 215 196 88 50 34 34 34 84 154
9 143 167 221 237 188 81 60 41 78 50 73 162
10 152 179 238 229 178 86 75 37 49 44 70 165
11 163 184 260 203 176 80 69 32 30 43 74 161
12 181 179 262 217 171 74 51 47 32 37 99 157
13 162 182 317 233 166 91 64 43 38 32 83 150
14 143 182 302 210 152 83 51 32 48 33 71 151
15 156 185 282 219 158 67 50 31 32 70 73 155
16 153 192 236 218 174 72 39 26 32 62 91 155
17 140 178 236 206 156 74 39 35 46 40 88 147
18 146 212 227 175 182 74 33 49 50 43 79 153
19 189 238 243 168 165 66 50 38 61 42 90 145
20 159 212 277 167 150 75 40 40 39 42 100 141
21 140 230 286 155 139 87 35 48 48 44 93 150
22 130 219 276 163 124 68 37 42 58 42 103 151
23 149 239 257 165 127 93 47 43 42 49 98 158
24 190 254 293 176 127 89 40 33 33 60 91 160
25 198 263 258 186 117 66 34 25 41 49 92 172
26 190 224 240 171 111 52 30 20 42 45 107 163
27 173 205 239 161 113 64 34 23 45 50 110 151
28 164 222 268 170 124 62 30 31 54 50 148 135
29 172 216 274 171 117 53 59 24 40 74 142 142
30 182   261 170 95 49 40 26 42 66 123 162
31 170   254   105   46 33   63   166