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USGS Surface-Water 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 15302250 NF KOKTULI R NR ILIAMNA AK


Lake And Peninsula Borough, Alaska
Hydrologic Unit Code 19030302
Latitude  59°50'35.4", Longitude 155°42'58.9" NAD27
Drainage area 106  square miles
Gage datum 613 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 2003-10-01 -> 2022-09-30)

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 95 80 68 74 317 690 213 193 240 327 280 189
2 85 78 68 72 328 625 211 228 233 296 253 182
3 82 75 67 71 323 558 213 261 266 301 238 171
4 80 72 66 70 337 525 218 244 310 353 247 162
5 79 71 65 68 384 499 204 246 309 381 247 181
6 78 69 64 67 421 453 211 231 290 353 227 192
7 77 69 64 102 458 447 220 242 281 353 221 176
8 76 68 63 87 470 427 223 268 337 423 211 176
9 76 68 62 80 477 398 234 278 381 416 219 246
10 74 67 61 79 530 376 239 259 327 469 272 237
11 73 67 60 86 587 362 234 260 293 474 230 197
12 72 67 60 93 658 351 236 280 362 431 233 167
13 84 66 60 88 712 333 218 282 415 445 212 148
14 94 66 60 84 704 325 207 280 421 375 206 138
15 105 65 60 82 693 320 195 291 414 334 203 133
16 118 67 60 80 667 320 191 260 397 371 189 132
17 115 66 61 77 652 321 235 329 349 468 179 122
18 108 66 61 85 661 351 220 305 392 446 173 115
19 100 68 61 120 656 323 207 304 449 371 183 111
20 96 69 61 105 692 299 197 254 407 372 200 104
21 92 69 62 100 779 340 216 233 352 325 197 100
22 91 75 63 113 734 318 204 239 389 310 215 97
23 94 76 65 126 759 314 206 259 411 309 211 97
24 96 74 66 137 763 296 216 245 385 339 194 94
25 101 72 67 155 762 274 217 227 354 312 173 92
26 104 70 68 168 766 251 226 239 335 317 158 91
27 107 69 69 198 775 231 205 244 329 327 220 89
28 97 69 70 231 734 222 190 218 378 349 277 90
29 88 71 71 262 690 211 193 202 424 327 200 95
30 84   72 290 739 206 190 200 436 313 179 103
31 81   73   756   208 230   301   104