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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 15300300 ILIAMNA R NR PEDRO BAY AK


Lake And Peninsula Borough, Alaska
Hydrologic Unit Code 19030206
Latitude  59°45'31", Longitude 153°50'41" NAD27
Drainage area 129  square miles
Gage datum 80 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 1995-10-01 -> 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
1 277 183 142 185 601 2,300 2,070 1,190 1,150 2,400 794 367
2 286 178 141 192 613 2,220 1,940 1,400 1,160 2,150 703 342
3 266 173 143 177 609 2,130 1,960 1,390 1,310 1,600 634 377
4 276 194 143 170 629 2,190 1,980 1,300 1,110 1,490 668 369
5 276 225 140 166 701 2,350 1,970 1,400 1,150 1,260 814 353
6 235 201 137 170 758 2,440 1,980 1,390 1,080 1,090 876 406
7 210 189 135 204 789 2,650 2,000 1,390 1,130 1,110 644 393
8 202 204 132 200 838 2,790 1,830 1,240 1,480 1,560 564 385
9 209 192 137 208 922 2,830 1,790 1,270 1,570 1,650 555 525
10 207 183 141 241 1,030 2,800 1,800 1,100 1,380 1,680 592 450
11 205 179 139 234 1,140 2,470 1,730 1,050 1,050 1,320 589 365
12 199 175 136 227 1,170 2,260 1,770 1,090 1,370 1,400 665 363
13 217 164 134 226 1,150 2,100 1,700 1,210 1,750 1,450 564 398
14 277 155 133 238 1,160 2,150 1,530 1,300 1,750 1,030 485 324
15 315 152 131 239 1,210 2,340 1,540 1,250 1,830 935 445 295
16 413 150 134 248 1,320 2,390 1,630 1,160 1,710 895 419 412
17 445 153 149 250 1,310 2,550 1,590 1,090 1,500 956 417 334
18 341 147 159 278 1,320 2,800 1,510 949 1,970 914 433 288
19 312 144 165 336 1,370 2,790 1,630 920 1,890 1,080 458 273
20 283 141 163 357 1,520 2,450 1,500 1,070 1,740 876 445 255
21 255 140 196 349 1,650 2,310 1,520 1,020 1,720 918 491 240
22 250 150 206 373 1,580 2,240 1,450 988 1,560 1,090 607 226
23 250 147 193 400 1,790 2,180 1,400 1,050 1,430 956 821 216
24 247 141 185 471 1,780 2,260 1,490 1,040 1,440 929 606 211
25 254 143 182 500 1,810 2,460 1,400 926 1,280 896 490 218
26 275 147 173 510 1,840 2,310 1,410 962 1,090 842 481 239
27 309 145 165 513 2,090 2,310 1,390 948 1,030 821 467 267
28 275 145 159 514 2,230 2,230 1,240 812 1,100 990 481 248
29 222 177 155 551 2,240 2,010 1,340 983 1,120 843 428 248
30 202   157 589 2,530 1,950 1,290 948 1,230 812 409 287
31 189   168   2,470   1,320 1,060   933   288