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USGS Surface-Water Daily Statistics for New Hampshire

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To view real-time groundwater levels in New Hampshire. click here

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 01086000 WARNER RIVER AT DAVISVILLE, NH


Merrimack County, New Hampshire
Hydrologic Unit Code 01070003
Latitude  43°15'03", Longitude  71°43'58" NAD27
Drainage area 146  square miles
Gage datum 379.96 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 water year of record in, ft3/s   (Calculation Period 1939-10-01 -> 2020-09-30)

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
1 245 201 240 749 518 245 201 86 54 86 189 275
2 238 193 247 846 494 262 166 79 51 86 181 288
3 226 195 254 930 483 261 160 75 49 86 210 276
4 217 217 247 954 488 251 140 68 48 80 250 252
5 209 225 245 938 472 231 121 69 48 74 229 251
6 201 222 254 930 429 219 109 66 50 69 216 250
7 206 208 262 892 390 224 102 62 62 81 214 279
8 200 212 275 846 363 226 91 54 62 89 220 301
9 203 211 295 807 365 210 99 50 56 139 244 293
10 222 192 317 787 377 200 89 50 51 144 252 304
11 230 205 309 825 364 208 79 61 51 116 240 311
12 220 213 318 834 356 203 76 66 65 116 222 318
13 240 197 331 842 365 199 80 80 77 111 215 323
14 239 191 408 838 473 187 88 100 65 97 222 293
15 237 190 445 823 492 192 83 91 65 141 226 278
16 220 190 456 860 452 193 79 77 62 178 218 262
17 201 192 450 910 429 175 75 69 57 168 220 239
18 191 188 463 881 398 160 69 71 55 155 219 247
19 204 187 475 829 393 150 65 68 57 134 198 245
20 195 186 457 787 378 154 67 56 57 129 200 222
21 190 188 481 755 365 154 60 50 62 136 218 224
22 194 208 499 683 350 134 56 51 57 125 224 292
23 196 219 510 653 328 128 73 52 53 119 231 263
24 205 218 508 654 306 135 94 47 54 134 215 256
25 217 242 515 645 302 186 95 42 53 171 214 262
26 233 276 533 620 303 180 74 37 58 205 252 254
27 248 266 585 611 298 173 63 33 68 180 276 263
28 254 256 624 581 283 157 68 39 68 169 260 284
29 243 226 634 573 269 193 77 74 65 188 263 271
30 222   666 554 255 206 87 65 75 216 274 257
31 206   717   234   85 55   207   247