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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 -> 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
1 139 97 98 408 657 311 175 101 100 161 220 210
2 141 97 113 382 683 316 174 107 95 161 221 226
3 137 122 106 408 704 306 136 137 83 130 283 206
4 117 123 112 401 668 251 136 126 81 133 219 181
5 119 110 130 424 618 234 140 141 74 118 226 193
6 131 98 149 395 580 242 134 136 81 148 230 186
7 119 91 146 395 558 225 119 109 86 155 237 223
8 117 100 124 388 551 221 112 100 86 146 253 184
9 140 92 142 362 629 210 116 95 83 152 266 192
10 134 86 163 374 588 212 115 126 83 139 215 187
11 144 120 167 400 552 224 116 126 127 134 231 200
12 162 128 149 405 606 213 120 111 110 122 260 207
13 145 106 146 399 554 202 115 101 101 129 221 218
14 142 95 166 513 524 214 126 126 96 124 200 193
15 122 84 172 533 509 222 130 97 100 163 226 173
16 116 86 160 558 539 208 118 106 94 203 222 158
17 113 95 182 597 559 195 100 113 132 195 232 168
18 113 83 204 575 495 171 95 95 99 161 197 210
19 149 90 175 555 504 169 107 91 95 157 177 149
20 142 102 190 612 503 155 113 92 86 171 217 140
21 120 134 190 657 435 152 111 88 81 241 216 243
22 119 150 201 650 409 153 118 89 96 210 201 208
23 124 132 201 732 366 153 116 83 105 163 187 173
24 157 128 198 702 357 156 122 80 105 246 177 177
25 174 167 210 651 352 176 106 78 110 215 218 192
26 165 147 228 659 354 189 98 71 98 223 272 158
27 192 114 319 681 340 178 92 66 107 213 247 187
28 142 112 313 654 319 167 94 108 126 247 237 171
29 109 114 330 685 306 164 110 102 113 212 246 153
30 99   348 617 316 222 116 89 146 259 242 156
31 116   398   302   101 100   193   151