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USGS Daily Statistics for California

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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 11264500 MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA


Mariposa County, California
Hydrologic Unit Code 18040008
Latitude  37°43'53", Longitude 119°33'29" NAD27
Drainage area 181  square miles
Gage datum 4,030 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 1915-10-01 -> 2024-09-30)

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
1 106 120 129 313 957 1,390 809 220 51 47 49 55
2 159 103 133 324 984 1,390 798 199 47 47 51 60
3 129 94 133 335 1,020 1,400 760 186 46 37 49 90
4 92 93 137 350 1,060 1,420 720 172 48 32 45 68
5 86 102 139 368 1,100 1,440 702 169 68 31 44 64
6 79 102 143 383 1,120 1,440 686 164 72 29 47 81
7 79 107 143 441 1,110 1,400 659 152 57 29 44 78
8 93 116 158 440 1,120 1,380 623 143 52 30 50 73
9 103 117 166 434 1,130 1,370 593 137 46 29 50 64
10 89 111 176 439 1,120 1,350 553 135 48 28 52 71
11 90 106 173 481 1,140 1,330 518 123 44 32 65 114
12 91 106 169 486 1,190 1,300 500 118 42 30 63 79
13 99 109 176 500 1,230 1,290 493 110 36 29 53 66
14 91 119 181 516 1,280 1,290 485 106 36 31 56 63
15 89 118 186 538 1,300 1,280 467 109 35 31 56 65
16 93 126 194 549 1,370 1,270 457 109 31 36 54 67
17 92 122 209 565 1,360 1,220 439 103 29 38 61 61
18 92 128 216 579 1,380 1,190 409 96 29 34 92 60
19 92 130 218 588 1,370 1,180 393 87 36 32 106 64
20 88 124 227 622 1,380 1,170 377 79 30 31 97 68
21 95 119 233 666 1,390 1,130 365 76 28 30 90 67
22 96 116 243 706 1,380 1,120 344 74 28 28 72 100
23 94 114 242 723 1,410 1,080 332 72 28 29 65 205
24 93 115 249 734 1,420 1,030 314 70 30 38 65 144
25 95 117 263 750 1,440 980 307 67 38 78 59 103
26 95 118 266 779 1,450 949 300 63 51 56 57 88
27 91 122 268 813 1,460 929 280 58 32 46 55 86
28 87 131 272 853 1,470 900 261 56 33 56 56 82
29 86 125 278 872 1,440 861 251 54 43 49 58 80
30 87   287 908 1,390 828 246 51 38 73 57 84
31 98   300   1,400   237 53   55   98