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USGS Daily Statistics for New York

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 01387400 RAMAPO RIVER AT RAMAPO NY


Rockland County, New York
Hydrologic Unit Code 02030103
Latitude  41°08'25", Longitude  74°10'07" NAD83
Drainage area 86.9  square miles
Gage datum 295.78 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 1978-10-01 -> 2018-09-30)

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
1 192 167 222 398 220 194 76 71 43 92 114 251
2 207 171 240 376 196 186 76 62 40 89 113 292
3 191 205 241 403 190 151 70 73 52 81 122 259
4 198 209 258 415 192 151 68 67 44 87 111 260
5 215 190 253 543 176 146 61 59 43 85 103 238
6 191 170 251 424 220 152 64 55 80 89 107 214
7 175 157 344 308 213 189 82 77 122 75 94 217
8 164 145 295 256 179 191 76 65 138 88 100 235
9 158 137 319 255 169 147 73 54 119 148 138 197
10 151 133 285 332 186 126 56 62 81 93 129 188
11 172 141 370 276 239 111 48 63 63 70 132 224
12 194 159 328 233 273 108 49 69 53 103 173 296
13 194 176 341 229 222 120 80 62 58 169 152 315
14 198 184 417 221 204 140 103 60 76 142 130 297
15 209 181 351 241 171 130 83 65 61 139 137 241
16 175 187 296 410 173 115 78 77 126 103 135 213
17 158 187 276 466 265 118 62 62 187 87 178 226
18 173 191 289 327 228 115 55 52 149 82 171 253
19 234 201 332 254 231 110 48 47 125 96 137 207
20 257 219 317 227 194 94 43 42 91 196 161 179
21 212 245 351 214 159 91 42 59 75 178 204 207
22 173 239 522 228 144 105 44 92 65 126 176 211
23 162 222 436 228 137 108 51 71 63 103 206 191
24 202 246 352 224 154 107 60 52 64 119 182 264
25 233 290 315 227 146 91 51 48 61 116 162 276
26 252 274 285 222 132 74 58 47 66 111 176 229
27 245 238 309 218 133 68 64 42 76 103 220 230
28 250 233 343 206 124 82 58 245 107 185 236 214
29 199 284 389 215 147 76 48 175 119 199 276 197
30 188   391 203 220 76 43 88 99 172 255 203
31 183   403   183   52 56   130   203