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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 01365550 CHESTNUT CREEK AT MOUTH AT GRAHAMSVILLE NY


Sullivan County, New York
Hydrologic Unit Code 02020007
Latitude  41°50'56.7", Longitude  74°31'54.6" NAD83
Drainage area 21.5  square miles
Gage datum 841.33 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 2017-10-01 -> 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
1 273 168 103 216 209 164 180 120 128 212 167 218
2 291 151 99 197 121 73 169 107 104 239 122 239
3 285 88 76 220 98 90 169 197 108 227 106 162
4 270 119 113 178 162 104 163 113 125 162 70 171
5 273 180 76 143 211 99 167 118 120 158 90 123
6 220 167 84 145 149 90 224 117 215 139 141 218
7 174 162 173 194 192 123 235 172 260 124 129 266
8 197 171 162 260 260 124 205 128 297 58 66 212
9 207 223 166 178 178 124 241 171 342 84 66 177
10 201 172 199 142 210 113 212 177 285 45 112 247
11 111 137 145 132 193 115 160 233 175 78 115 309
12 132 162 163 176 291 128 182 272 217 61 170 225
13 212 200 96 239 202 162 139 256 168 67 192 264
14 181 221 92 170 191 128 142 210 89 110 203 249
15 173 189 108 222 183 129 96 101 158 92 222 290
16 190 134 247 182 180 111 125 173 153 95 234 204
17 175 95 187 202 192 109 168 194 183 63 185 201
18 153 84 159 125 120 132 171 245 162 89 181 417
19 155 158 172 106 130 108 196 255 155 105 189 257
20 205 253 194 232 167 134 262 260 204 102 197 268
21 195 228 152 142 102 147 242 192 218 164 226 250
22 168 206 168 174 131 166 221 249 246 108 248 239
23 142 224 179 181 192 143 184 201 303 81 216 355
24 196 213 182 183 235 58 183 175 361 89 271 253
25 168 130 172 173 209 42 185 197 408 83 223 451
26 189 187 214 153 176 78 138 204 283 213 194 382
27 160 179 207 132 191 82 136 172 302 133 264 361
28 155 151 129 167 209 197 144 189 259 104 183 385
29 149 90 145 121 248 212 191 258 260 104 200 251
30 175   179 109 307 203 97 246 222 130 294 192
31 133   216   371   110 156   136   212