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USGS Daily Statistics for Washington

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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 12488500 AMERICAN RIVER NEAR NILE, WA


Yakima County, Washington
Hydrologic Unit Code 17030002
Latitude  46°58'40", Longitude 121°10'03" NAD27
Drainage area 78.9  square miles
Gage datum 2,700.00 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 -> 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
1 135 170 159 197 442 713 409 130 62 56 106 165
2 134 162 154 203 445 738 393 125 62 55 102 179
3 134 156 149 207 459 746 382 122 61 56 101 189
4 131 157 151 211 477 742 372 118 60 57 114 214
5 134 159 150 220 502 736 362 115 60 59 120 188
6 134 173 154 228 525 726 355 111 60 57 126 179
7 145 189 151 239 545 710 346 108 59 57 144 158
8 163 189 149 247 558 677 339 104 57 57 126 148
9 157 189 151 253 572 654 331 99 57 59 116 169
10 151 176 156 257 584 650 321 96 56 62 116 163
11 140 169 156 262 596 642 309 93 57 65 120 167
12 138 157 161 265 612 635 299 90 55 65 143 166
13 147 149 166 275 627 626 292 87 54 62 146 170
14 150 146 165 297 627 615 280 85 54 65 147 167
15 155 151 169 308 647 614 266 84 53 65 144 168
16 176 161 173 313 668 614 251 82 54 66 138 168
17 166 160 171 319 693 600 242 79 55 67 134 159
18 164 156 171 319 709 583 236 78 56 69 139 158
19 161 166 174 328 710 574 227 77 55 77 135 155
20 155 174 172 351 711 569 218 75 55 78 143 156
21 152 172 172 363 703 558 208 74 56 81 141 168
22 143 166 172 366 698 544 197 72 54 85 141 170
23 141 157 176 373 702 529 188 71 53 83 161 167
24 146 158 178 388 709 507 182 70 53 78 178 167
25 146 155 184 385 716 489 172 70 52 84 186 168
26 141 151 186 385 716 469 164 70 53 87 185 189
27 139 150 189 392 715 452 159 68 53 92 184 184
28 139 155 190 403 708 439 153 67 53 94 174 168
29 144 205 188 415 711 436 148 66 55 94 173 152
30 149   189 434 719 424 141 64 56 97 170 150
31 161   191   718   136 63   106   141