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USGS Surface-Water Daily Statistics for New Jersey

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ALL DATA ARE AT LOCAL 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 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 -> 2024-09-30)

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
1 218 179 233 399 275 184 68 66 54 105 129 280
2 227 182 251 377 229 176 68 62 136 100 126 311
3 208 216 253 405 213 146 64 73 92 106 188 274
4 216 225 268 412 211 144 64 65 60 102 157 268
5 236 205 262 539 191 137 56 60 50 98 123 245
6 214 181 263 422 238 143 59 53 88 96 125 223
7 192 168 356 306 227 175 79 76 120 83 113 226
8 179 157 305 292 189 175 71 64 138 100 115 238
9 174 145 329 273 180 137 87 50 126 150 146 202
10 227 141 316 338 193 118 100 57 87 95 140 204
11 211 150 387 280 243 103 73 60 62 74 142 256
12 208 166 340 239 274 99 60 66 53 111 191 319
13 215 187 350 247 231 112 87 58 62 169 173 325
14 211 192 412 237 215 134 112 56 80 142 150 311
15 210 186 357 255 180 123 93 62 61 138 149 259
16 186 192 313 414 180 108 90 74 123 103 152 234
17 172 189 290 459 272 109 77 57 188 93 190 251
18 183 199 299 333 229 106 66 51 145 86 179 353
19 229 209 347 275 228 104 56 45 129 96 148 284
20 268 222 324 253 197 86 45 38 97 189 170 214
21 217 247 346 233 163 83 42 51 77 175 213 252
22 178 239 506 236 143 93 44 85 65 124 188 258
23 171 224 440 241 136 102 52 121 66 101 216 247
24 223 249 377 238 152 100 56 78 76 118 195 303
25 279 295 329 236 143 84 47 55 86 113 193 331
26 297 275 294 229 127 69 54 48 93 132 202 276
27 278 241 311 226 127 67 61 41 93 162 251 259
28 274 238 346 214 117 82 53 250 114 212 261 257
29 231 280 383 230 148 72 43 169 125 208 281 236
30 210   384 231 215 68 38 83 112 186 264 228
31 199   394   186   48 54   146   225