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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 -> 2022-09-30)

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
1 203 163 224 386 231 191 72 67 53 93 128 275
2 214 167 242 364 206 181 72 59 130 89 124 304
3 196 198 240 384 195 150 67 69 95 102 182 264
4 200 209 255 394 195 148 65 65 62 99 153 259
5 216 193 248 509 179 143 58 62 52 91 123 239
6 199 172 244 401 223 147 61 55 84 92 122 216
7 178 162 329 300 215 178 77 73 120 77 110 215
8 166 152 283 285 182 180 72 62 132 88 110 229
9 160 142 305 270 173 142 76 52 116 141 142 194
10 153 136 276 330 187 122 58 59 80 91 137 196
11 170 143 355 272 233 108 58 59 62 71 137 230
12 189 159 321 232 266 104 57 65 53 106 175 289
13 188 178 332 240 227 115 80 58 57 163 165 303
14 192 185 398 237 211 133 99 56 73 137 147 297
15 201 180 340 247 177 123 79 61 59 133 146 247
16 176 187 299 399 176 109 74 71 118 101 145 217
17 162 189 274 447 257 111 59 58 173 93 182 233
18 172 196 285 321 221 110 56 49 138 84 174 252
19 227 204 328 264 222 109 49 46 116 94 144 205
20 248 216 312 241 190 92 42 42 85 183 166 178
21 206 239 340 223 156 88 41 56 70 167 203 226
22 168 234 500 232 140 100 43 91 61 119 176 238
23 158 219 424 228 134 103 52 116 61 98 201 202
24 208 242 345 224 149 101 59 80 72 112 187 261
25 256 285 311 225 140 86 50 57 65 110 191 314
26 258 269 281 221 127 71 57 50 65 135 197 264
27 244 237 300 221 127 65 62 44 74 163 242 242
28 244 233 330 207 120 77 55 227 101 210 246 220
29 196 270 373 214 148 73 46 163 113 208 274 203
30 185   375 203 218 73 41 84 96 186 259 207
31 179   385   187   50 54   145   210