Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

USGS Daily Statistics for California

Click to hide state-specific text

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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 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
1 105 120 129 312 961 1,400 805 219 50 47 48 55
2 158 103 133 324 987 1,400 794 198 47 47 51 60
3 128 94 133 335 1,030 1,400 756 185 46 36 49 89
4 91 93 137 351 1,070 1,420 716 172 48 32 45 68
5 85 103 139 368 1,100 1,450 698 168 67 31 44 64
6 79 102 142 382 1,110 1,440 682 164 71 29 46 81
7 78 107 143 440 1,110 1,410 655 151 57 29 44 78
8 92 116 157 438 1,120 1,380 619 143 51 30 50 73
9 102 117 166 432 1,130 1,370 590 136 46 29 50 64
10 89 111 175 439 1,120 1,350 550 134 48 28 51 70
11 89 106 173 483 1,140 1,330 515 122 43 32 64 113
12 91 106 169 489 1,200 1,300 497 117 41 30 62 79
13 98 109 176 502 1,240 1,290 490 110 36 28 52 65
14 91 118 180 517 1,290 1,290 482 106 36 31 55 63
15 89 118 185 538 1,310 1,280 465 109 35 31 56 65
16 93 125 193 550 1,380 1,270 455 109 31 36 54 67
17 92 122 208 568 1,370 1,210 436 102 29 38 61 61
18 92 128 216 583 1,390 1,190 407 95 29 34 92 60
19 92 131 218 594 1,380 1,180 391 87 36 32 106 65
20 88 124 228 629 1,380 1,160 375 79 30 31 97 68
21 95 119 234 674 1,390 1,130 363 75 28 30 90 67
22 96 116 244 717 1,390 1,110 342 73 28 28 72 99
23 94 114 244 735 1,410 1,080 330 72 28 29 64 203
24 92 115 250 744 1,420 1,030 313 70 30 38 65 143
25 95 117 263 757 1,440 977 307 66 38 78 59 102
26 95 117 266 784 1,450 946 300 63 51 56 57 88
27 90 122 268 815 1,470 925 279 58 32 46 55 86
28 87 131 272 855 1,480 896 259 56 32 56 56 81
29 86 125 278 875 1,450 857 250 54 43 49 58 80
30 87   287 912 1,400 824 245 51 38 73 57 84
31 98   300   1,400   235 53   55   97