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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 71 - 72 years of record in, ft3/s   (Calculation Period 1946-10-01 -> 2019-09-30)

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
1 193 165 242 267 141 103 57 41 28 35 56 143
2 186 169 225 291 137 104 43 46 23 33 60 128
3 179 182 214 247 149 106 52 37 20 36 61 132
4 165 170 289 260 166 108 78 37 22 39 71 140
5 177 169 364 255 181 98 50 41 21 35 96 130
6 153 163 322 226 181 114 50 73 44 33 80 128
7 151 171 258 238 173 111 44 42 51 33 79 162
8 150 167 244 216 188 91 47 35 35 34 87 160
9 139 166 228 239 182 81 60 43 81 51 73 168
10 151 177 239 234 172 90 75 38 50 45 68 164
11 164 182 262 205 174 82 64 33 30 38 69 164
12 179 177 266 221 160 77 47 50 31 34 92 163
13 163 176 329 235 157 94 64 44 40 31 78 156
14 144 183 314 214 146 85 52 33 51 32 69 155
15 159 186 290 218 156 68 51 32 33 69 73 142
16 156 194 242 222 176 73 40 27 34 63 92 148
17 142 179 243 211 158 75 39 37 48 40 89 137
18 147 206 233 171 187 77 32 51 52 43 79 150
19 187 243 245 169 169 67 52 39 64 43 90 145
20 149 218 286 167 152 76 41 42 40 42 98 143
21 137 235 298 154 142 85 35 51 50 43 90 151
22 130 223 288 164 127 67 38 44 60 41 98 151
23 150 244 264 168 128 95 48 45 41 50 97 159
24 184 254 296 179 130 92 41 34 33 62 89 158
25 191 259 260 191 120 64 34 25 42 51 88 165
26 190 225 243 172 114 52 30 21 44 46 105 158
27 174 205 245 158 111 65 36 24 46 49 109 151
28 166 203 277 170 125 63 31 31 57 49 151 127
29 176 221 284 171 114 54 62 23 42 63 146 136
30 187   271 156 95 45 41 27 43 60 124 159
31 174   261   107   48 34   58   162