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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 01387420 RAMAPO RIVER AT SUFFERN NY


Rockland County, New York
Hydrologic Unit Code 02030103
Latitude  41°07'06", Longitude  74°09'37" NAD83
Drainage area 93.0  square miles
Gage datum 263.29 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 -> 2021-09-30)

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
1 213 176 231 408 243 188 70 68 41 96 123 262
2 225 180 249 385 211 180 70 63 39 94 122 310
3 206 219 250 419 206 148 65 75 51 104 191 277
4 215 222 263 427 208 147 63 68 44 100 158 271
5 238 200 258 565 190 141 56 62 41 94 123 245
6 215 179 261 440 242 149 60 55 82 94 126 222
7 191 168 351 311 229 184 82 78 119 78 113 222
8 179 157 301 261 190 183 73 65 140 95 115 239
9 170 145 332 257 182 141 74 52 118 151 149 204
10 160 141 297 336 195 121 54 59 79 94 144 206
11 179 150 381 281 250 106 52 62 59 72 145 242
12 198 168 335 238 285 103 52 68 49 113 195 314
13 199 190 350 248 241 117 84 59 54 176 171 332
14 199 197 420 240 224 141 104 57 74 146 149 321
15 206 192 362 261 187 129 78 61 58 139 149 266
16 177 196 318 428 188 113 74 74 126 103 151 235
17 162 190 293 476 285 114 56 58 196 93 192 250
18 178 197 301 343 240 112 51 49 144 86 182 266
19 231 209 351 269 239 110 43 43 119 97 149 219
20 271 227 329 248 206 90 37 37 91 197 174 192
21 218 256 356 233 169 87 36 51 75 179 220 247
22 178 248 535 239 149 97 40 84 64 125 188 259
23 168 229 452 234 141 107 50 68 63 102 219 220
24 224 257 364 232 159 105 56 48 61 120 200 280
25 284 306 323 236 150 88 47 43 60 113 199 284
26 285 285 292 231 133 70 53 42 64 104 208 237
27 271 247 315 229 132 63 61 38 78 105 255 245
28 268 240 353 218 121 76 53 263 107 194 266 227
29 216 283 396 226 148 70 42 177 112 203 291 211
30 203   399 216 220 69 38 85 96 177 272 216
31 196   410   186   48 54   136   219