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USGS 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 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 -> 2025-09-30)

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
1 207 170 220 376 265 184 72 66 52 100 127 268
2 216 171 238 356 226 175 71 58 125 93 122 294
3 198 199 240 385 204 145 66 69 92 103 175 257
4 202 209 257 410 200 143 67 64 60 99 148 255
5 217 192 252 510 183 138 60 61 51 93 119 235
6 200 171 247 399 223 142 62 55 81 92 118 212
7 181 161 337 299 214 172 77 74 116 81 108 215
8 168 151 289 282 182 173 71 64 128 92 108 227
9 165 141 306 267 172 137 88 59 120 139 137 192
10 219 136 296 323 186 118 102 67 84 91 132 193
11 205 142 365 267 229 104 78 62 64 71 132 248
12 203 157 324 238 260 101 65 65 55 104 170 308
13 208 175 332 247 222 111 84 59 63 156 160 306
14 208 182 396 240 206 128 110 56 78 134 143 294
15 209 176 338 247 174 119 95 63 61 132 141 245
16 182 183 297 391 173 105 91 73 116 101 142 220
17 167 185 273 436 251 107 81 59 169 92 178 240
18 175 191 283 314 216 106 69 52 142 84 169 336
19 226 198 323 260 217 105 59 48 128 93 140 275
20 249 210 307 237 186 88 50 43 93 177 161 203
21 207 232 333 219 154 85 46 56 74 164 195 237
22 170 227 485 227 138 97 47 89 64 118 176 243
23 162 214 422 233 134 100 55 113 63 96 200 232
24 212 236 363 230 148 98 60 78 76 110 183 291
25 259 276 316 226 138 83 51 57 86 109 186 322
26 278 261 283 220 124 71 57 50 92 132 191 268
27 259 230 299 219 124 71 62 44 87 157 238 244
28 257 228 329 206 117 85 56 219 108 200 243 244
29 216 266 368 218 144 76 47 158 124 198 267 224
30 197   367 218 211 73 42 81 111 183 252 217
31 187   376   181   50 53   144   216