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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 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 -> 2021-09-30)

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
1 101 120 130 313 943 1,400 799 220 51 48 47 56
2 158 104 133 322 977 1,390 784 199 47 47 50 61
3 128 94 133 332 1,030 1,400 746 185 45 37 49 91
4 90 93 138 347 1,070 1,410 708 172 45 33 44 69
5 84 102 140 366 1,100 1,450 692 161 67 32 43 65
6 78 102 144 381 1,120 1,430 677 159 72 29 46 83
7 78 107 144 439 1,110 1,410 652 149 57 29 43 79
8 92 117 160 436 1,130 1,380 616 142 52 30 50 74
9 100 117 168 429 1,130 1,370 587 136 47 29 49 65
10 85 111 173 434 1,130 1,350 547 134 48 29 50 72
11 87 105 168 476 1,150 1,340 514 123 43 32 64 116
12 89 105 167 480 1,200 1,310 497 118 41 31 61 80
13 97 108 176 495 1,230 1,290 491 109 36 29 52 66
14 90 118 180 514 1,280 1,290 484 105 35 32 55 64
15 88 117 183 538 1,300 1,280 465 109 34 31 55 66
16 92 126 193 549 1,360 1,270 453 109 31 36 54 68
17 91 122 208 564 1,350 1,210 433 102 28 39 61 61
18 91 129 216 579 1,370 1,190 401 95 29 34 93 60
19 91 131 218 591 1,360 1,180 386 87 36 32 108 65
20 88 124 227 625 1,360 1,180 372 79 30 32 99 69
21 95 119 234 667 1,370 1,140 361 72 27 30 91 67
22 96 116 243 706 1,370 1,120 340 70 27 29 73 101
23 94 115 242 721 1,400 1,090 329 71 27 30 65 207
24 92 115 248 730 1,410 1,040 313 69 29 38 66 145
25 95 117 261 746 1,430 986 306 66 38 64 60 103
26 95 118 263 776 1,440 951 301 62 52 51 58 88
27 90 123 266 809 1,470 931 280 57 32 43 56 84
28 87 132 271 848 1,470 903 261 56 33 52 57 80
29 85 125 278 864 1,440 864 252 54 44 46 59 79
30 87   287 895 1,390 824 246 51 39 71 58 82
31 98   301   1,400   237 53   53   88