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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 -> 2019-09-30)

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
1 102 121 130 314 932 1,410 801 220 51 49 48 56
2 161 103 134 323 969 1,400 786 199 47 48 51 61
3 130 93 133 333 1,020 1,400 747 185 45 37 49 92
4 91 93 138 349 1,060 1,410 710 171 45 33 45 69
5 85 103 140 368 1,090 1,440 693 161 67 32 44 65
6 78 102 143 383 1,110 1,420 677 159 72 30 47 83
7 78 107 144 442 1,100 1,400 652 149 57 29 44 80
8 93 117 160 437 1,110 1,380 618 142 52 30 51 75
9 101 117 169 429 1,120 1,370 588 136 47 30 50 65
10 86 112 174 435 1,120 1,350 547 134 49 29 51 72
11 88 106 169 478 1,140 1,330 512 123 43 33 65 117
12 90 105 168 482 1,190 1,300 495 118 41 31 63 81
13 98 108 177 497 1,230 1,280 490 109 36 29 52 67
14 90 114 181 515 1,270 1,280 484 105 35 32 56 64
15 89 115 184 537 1,290 1,270 465 109 35 32 56 66
16 93 125 194 548 1,370 1,260 454 109 31 37 55 68
17 91 122 210 565 1,360 1,210 434 102 29 40 62 62
18 92 129 218 578 1,370 1,180 402 95 29 35 95 60
19 92 131 219 587 1,370 1,180 386 87 36 33 110 65
20 88 124 228 621 1,370 1,170 372 79 30 32 101 69
21 95 119 236 666 1,380 1,140 361 72 28 31 93 68
22 96 116 245 705 1,390 1,120 339 70 27 29 75 102
23 95 115 243 716 1,410 1,090 329 70 28 30 66 211
24 93 116 250 718 1,430 1,030 312 69 30 39 67 147
25 95 118 263 728 1,450 984 303 66 38 66 61 104
26 95 118 265 756 1,450 950 291 62 53 53 59 89
27 91 123 268 790 1,480 932 277 57 33 44 57 85
28 87 132 273 829 1,480 907 260 56 33 53 57 81
29 86 127 280 843 1,450 870 250 53 44 47 59 80
30 87   290 876 1,400 827 246 50 39 73 58 82
31 98   303   1,410   237 53   54   89