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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 15302200 KOKTULI R NR ILIAMNA AK


Lake And Peninsula Borough, Alaska
Hydrologic Unit Code 19030302
Latitude  59°47'36", Longitude 155°31'21" NAD27
Drainage area 69.1  square miles
Gage datum 775 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 -> 2023-09-30)

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 76 61 43 42 177 559 166 164 212 318 227 125
2 74 59 42 41 186 523 163 182 210 305 210 116
3 70 57 42 41 191 478 160 190 222 316 203 109
4 69 55 40 41 214 449 158 198 244 330 201 105
5 67 53 40 40 237 421 152 193 243 325 198 111
6 67 52 40 40 260 389 153 197 247 318 185 115
7 65 50 41 44 287 382 160 205 242 324 181 120
8 64 50 40 42 298 367 163 211 276 350 176 123
9 62 50 40 43 320 346 166 228 301 340 179 137
10 61 50 40 46 358 323 166 219 282 353 189 136
11 60 49 39 48 403 306 160 219 267 354 177 129
12 60 49 39 56 465 291 165 228 298 337 169 122
13 63 48 38 73 491 275 158 231 331 329 164 117
14 75 46 37 89 489 264 154 232 355 317 161 110
15 104 45 37 100 476 257 148 240 359 299 153 106
16 113 45 37 97 461 251 148 224 348 304 141 105
17 102 45 37 92 462 246 168 263 324 336 132 99
18 83 45 37 92 490 258 160 253 348 333 125 92
19 67 44 37 99 493 244 159 250 377 309 126 87
20 87 45 36 90 515 233 155 228 354 299 124 85
21 70 44 36 85 553 247 166 213 324 275 126 83
22 63 45 38 89 570 238 158 211 347 259 129 81
23 70 46 38 98 604 231 159 216 362 253 135 82
24 74 47 39 111 626 221 167 218 347 263 136 80
25 74 47 40 116 622 208 171 199 325 249 125 77
26 76 47 40 120 626 195 178 208 305 256 118 76
27 84 46 40 126 649 185 169 211 297 258 138 75
28 77 44 39 138 615 178 158 197 325 265 148 75
29 69 35 39 157 585 172 159 184 355 250 132 75
30 65   41 169 597 168 163 188 361 246 125 77
31 62   42   583   166 207   247   79