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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 06349000 HEART RIVER NR MANDAN, ND


Morton County, North Dakota
Hydrologic Unit Code 10130203
Latitude  46°50'02", Longitude 100°58'27" NAD27
Drainage area 3,310  square miles
Contributing drainage area 3,310  square miles
Gage datum 1,639.47 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 1923-10-01 -> 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 26 29 229 1,280 447 274 322 130 109 61 59 39
2 26 31 336 1,260 407 281 292 125 107 61 61 40
3 26 32 329 1,260 385 290 289 115 99 60 65 40
4 25 37 427 1,330 357 301 259 106 95 62 65 41
5 25 42 383 1,320 326 291 300 106 89 65 64 40
6 25 40 357 1,270 309 263 302 103 85 68 62 39
7 24 37 336 1,250 299 267 289 104 82 69 60 38
8 24 37 396 1,160 323 325 295 121 81 71 60 38
9 24 41 349 1,080 423 340 271 113 80 76 62 37
10 24 52 350 944 488 307 251 102 81 73 65 36
11 24 145 403 877 452 330 240 95 77 74 63 35
12 24 120 545 907 378 387 245 96 78 83 54 34
13 23 90 894 977 347 329 218 99 81 82 53 33
14 23 76 881 1,010 329 348 202 98 81 83 52 33
15 23 67 838 932 328 403 176 95 81 81 51 33
16 23 57 826 893 330 379 208 94 81 79 47 32
17 23 55 800 943 317 332 217 91 73 86 46 32
18 23 51 778 1,000 310 316 212 94 72 88 45 31
19 23 61 791 976 315 338 187 90 74 88 44 31
20 23 102 834 830 297 361 160 97 70 96 45 30
21 23 118 1,050 708 274 352 156 103 76 94 44 30
22 24 170 1,290 659 289 356 180 123 93 83 44 29
23 24 223 1,600 619 298 387 246 129 90 78 43 29
24 25 192 1,760 582 287 392 243 145 78 74 43 29
25 24 191 1,620 531 294 385 216 161 75 72 43 28
26 26 208 1,490 501 298 414 195 160 73 68 43 28
27 30 242 1,620 482 279 421 191 139 71 67 43 28
28 34 234 1,650 478 249 350 215 120 66 65 42 27
29 33 214 1,480 470 241 369 162 110 63 65 41 27
30 32   1,390 463 243 358 155 109 62 65 40 27
31 30   1,380   269   129 110   63   27