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USGS Daily Statistics for the Nation

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 01137500 AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH


Grafton County, New Hampshire
Hydrologic Unit Code 01080101
Latitude  44°16'07", Longitude  71°37'51" NAD27
Drainage area 87.6  square miles
Gage datum 1,180.48 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 1938-10-01 -> 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
1 146 96 98 419 686 304 174 101 99 159 222 237
2 145 96 112 383 686 311 172 108 94 159 220 230
3 139 120 105 403 706 300 137 136 83 130 279 208
4 119 121 110 395 664 248 137 125 81 133 216 184
5 122 109 128 417 613 230 141 139 74 117 222 194
6 133 98 147 392 579 237 134 134 83 146 227 186
7 120 90 147 395 553 222 118 108 88 153 234 229
8 117 99 128 389 544 219 113 102 86 146 248 189
9 139 91 142 365 617 210 119 98 83 150 260 193
10 133 85 161 376 577 213 119 126 83 137 212 187
11 142 119 165 402 542 222 126 132 125 132 227 199
12 160 126 149 411 596 210 122 112 110 120 264 210
13 149 105 146 406 547 199 116 102 102 127 227 218
14 144 93 163 524 517 211 127 126 97 148 203 194
15 123 84 169 543 502 219 130 97 100 170 226 173
16 116 86 157 562 533 205 121 106 94 206 224 158
17 114 95 180 600 558 201 107 112 130 200 231 169
18 114 91 204 573 489 175 103 96 98 164 196 208
19 147 94 178 552 495 173 123 94 109 160 180 149
20 141 103 195 605 494 156 118 93 104 172 216 140
21 119 133 191 646 433 151 115 88 88 239 214 239
22 118 148 200 640 404 152 121 89 104 225 200 205
23 122 142 200 719 361 151 117 83 115 170 187 195
24 154 132 199 692 352 155 122 83 115 247 176 192
25 171 166 215 641 349 174 107 81 116 215 215 224
26 163 146 241 648 348 189 99 74 101 221 267 177
27 188 114 325 671 334 178 93 68 109 214 244 192
28 140 111 312 644 313 169 95 107 126 244 236 174
29 108 114 329 675 300 166 109 102 114 210 243 155
30 99   344 624 309 220 116 89 145 255 244 157
31 115   392   296   101 101   204   154