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USGS Daily Statistics for New York

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ALL DATA ARE EASTERN STANDARD TIME

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 264.44 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 36 - 37 years of record in, ft3/s   (Calculation Period 1978-10-01 -> 2015-09-30)

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
1 203 177 228 412 239 198 75 47 44 99 116 259
2 223 181 237 395 205 191 75 56 41 101 118 310
3 206 226 237 438 201 156 70 74 55 88 129 277
4 216 227 259 441 204 155 68 50 46 93 119 278
5 241 200 259 601 183 147 60 39 43 94 110 254
6 212 178 268 463 234 157 66 46 90 98 118 229
7 191 161 372 312 222 198 86 78 131 80 103 230
8 180 147 313 262 183 200 76 64 154 102 111 251
9 171 137 351 263 177 153 72 51 129 169 154 211
10 154 135 314 357 196 131 53 61 86 102 144 203
11 166 141 409 297 260 114 42 64 60 76 148 243
12 186 157 357 250 297 111 43 70 50 116 204 330
13 168 183 377 247 236 127 86 60 57 194 170 354
14 184 195 454 234 206 154 106 55 80 160 142 329
15 205 192 384 265 171 142 77 61 62 154 148 267
16 174 189 324 442 175 124 75 77 139 112 146 237
17 160 174 304 493 285 126 57 60 220 93 196 248
18 179 190 317 354 240 121 49 49 159 89 189 268
19 241 207 374 274 243 113 42 42 131 105 149 221
20 286 225 350 248 204 93 37 36 100 223 168 195
21 228 257 382 231 167 91 37 54 82 202 226 228
22 185 249 576 241 148 104 41 82 69 140 195 234
23 169 229 479 240 139 117 45 64 69 112 234 213
24 203 254 382 238 161 114 50 46 67 133 204 281
25 249 257 338 243 153 94 36 42 62 126 176 290
26 272 245 304 232 132 75 34 43 62 116 195 242
27 265 228 327 226 134 67 53 38 81 113 243 254
28 268 231 365 217 124 82 50 295 109 209 270 233
29 214 286 404 230 153 75 41 196 115 213 307 212
30 202   410 219 231 74 35 93 98 165 273 214
31 198   420   193   37 58   128   213