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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 10296500 W WALKER RV NR COLEVILLE, CA


Mono County, California
Hydrologic Unit Code 16050302
Latitude  38°30'48", Longitude 119°26'56" NAD27
Drainage area 250  square miles
Gage datum 5,520.00 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 1902-10-01 -> 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 86 91 89 177 547 1,020 796 263 97 72 70 66
2 159 78 89 182 557 1,030 791 247 94 71 69 66
3 105 76 90 185 575 1,030 777 235 93 70 68 64
4 83 74 91 194 605 1,080 751 223 93 70 68 63
5 78 75 93 203 631 1,090 730 216 92 69 67 64
6 73 75 96 212 645 1,100 717 210 92 68 67 64
7 70 76 96 237 652 1,080 697 201 90 68 67 64
8 76 80 108 242 658 1,050 670 195 87 67 68 66
9 78 86 105 245 674 1,020 638 188 85 62 67 63
10 74 82 107 249 673 1,030 607 181 85 63 69 63
11 75 78 109 269 696 1,030 582 175 83 67 77 63
12 74 76 108 277 719 1,030 559 168 81 65 76 65
13 75 78 111 287 751 1,050 543 164 81 66 70 63
14 77 81 114 295 782 1,030 532 161 80 66 70 62
15 73 81 117 307 811 1,030 514 159 79 65 70 61
16 74 86 125 316 857 1,030 492 154 76 67 71 65
17 73 83 132 323 865 984 470 148 73 71 72 62
18 73 86 142 330 887 975 460 144 72 66 70 62
19 74 89 148 329 907 992 437 143 74 66 69 64
20 72 86 151 344 919 986 417 137 72 66 70 68
21 73 87 153 359 912 975 404 132 70 64 72 66
22 73 87 154 380 900 960 396 126 69 64 70 65
23 72 88 154 393 917 949 392 122 68 64 69 84
24 71 88 151 399 937 916 381 118 69 69 70 83
25 71 87 154 407 968 910 359 115 75 100 70 74
26 70 85 156 423 950 896 341 111 78 78 67 69
27 69 87 157 446 959 874 328 108 68 71 66 66
28 68 90 161 473 994 838 313 106 65 74 64 67
29 68 87 165 493 996 821 299 103 68 71 66 67
30 72   170 513 987 794 292 100 69 73 66 68
31 86   175   1,010   274 98   72   81