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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 15052500 MENDENHALL R NR AUKE BAY AK


Juneau City And Borough, Alaska
Hydrologic Unit Code 19010301
Latitude  58°25'47", Longitude 134°34'22" NAD27
Drainage area 84.8  square miles
Gage datum 60.00 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 1964-10-01 -> 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
1 134 125 112 98 319 1,480 2,720 3,470 3,270 2,230 535 247
2 126 122 106 99 353 1,570 2,730 3,270 3,320 2,220 599 248
3 120 117 102 99 390 1,620 2,830 3,270 3,150 2,050 560 227
4 120 115 99 100 415 1,640 2,890 3,510 3,000 1,810 542 200
5 120 110 95 100 437 1,640 2,950 4,040 2,990 1,820 485 191
6 121 109 91 100 455 1,630 2,890 3,880 3,040 2,020 431 191
7 122 109 87 101 478 1,680 2,870 3,580 3,230 1,910 394 189
8 116 104 87 105 488 1,680 2,950 3,690 3,230 1,850 357 186
9 109 104 88 107 498 1,680 3,060 3,930 3,050 1,740 334 184
10 108 103 88 109 534 1,690 3,160 3,910 2,970 1,690 322 180
11 110 100 91 110 565 1,710 3,250 3,770 2,930 1,580 316 183
12 114 100 89 111 609 1,730 3,170 3,700 2,690 1,460 308 184
13 107 99 89 113 643 1,810 3,300 3,890 2,660 1,430 305 182
14 112 96 89 113 689 1,900 3,430 3,850 2,810 1,460 317 185
15 126 94 86 114 708 1,950 3,280 3,680 2,980 1,440 340 172
16 135 93 84 120 718 2,060 3,190 3,560 2,750 1,380 319 160
17 143 91 83 128 735 2,180 3,090 3,700 2,550 1,370 324 150
18 147 89 84 138 758 2,220 3,180 3,680 2,460 1,300 309 147
19 149 89 86 147 789 2,230 3,290 3,500 2,460 1,330 296 148
20 153 90 87 162 855 2,250 3,330 3,480 2,360 1,530 281 148
21 156 87 88 178 900 2,300 3,410 3,480 2,480 1,330 306 144
22 160 87 86 187 950 2,310 3,250 3,620 2,830 1,110 336 146
23 162 88 84 197 992 2,330 3,330 3,520 2,840 1,020 345 154
24 157 89 83 207 1,010 2,370 3,420 3,480 2,770 961 306 165
25 153 88 82 219 1,040 2,450 3,390 3,350 2,680 889 276 173
26 150 90 84 237 1,110 2,500 3,340 3,450 2,510 890 269 173
27 143 99 87 262 1,170 2,540 3,450 3,240 2,380 951 260 181
28 135 120 90 281 1,220 2,580 3,620 3,070 2,330 753 257 189
29 132 227 93 294 1,290 2,620 3,660 3,130 2,330 613 247 166
30 136   95 305 1,300 2,620 3,450 3,000 2,230 565 250 149
31 131   97   1,360   3,450 3,040   545   144