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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 10296000 W WALKER RV BLW L WALKER RV NR COLEVILLE, CA


Mono County, California
Hydrologic Unit Code 16050302
Latitude  38°22'47", Longitude 119°26'57" NAD27
Drainage area 181  square miles
Gage datum 6,591.39 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 1937-10-01 -> 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 89 80 173 540 1,040 743 243 85 54 59 56
2 164 76 80 179 555 1,040 741 229 82 53 59 59
3 104 68 79 185 571 1,050 732 218 82 53 59 78
4 80 67 79 194 588 1,090 703 207 82 52 58 64
5 74 70 81 204 607 1,100 681 199 82 52 57 61
6 69 67 83 216 627 1,100 680 193 82 51 57 63
7 66 68 84 244 634 1,080 668 186 80 51 56 69
8 74 73 98 245 655 1,040 637 181 77 51 57 73
9 75 81 99 242 669 1,010 620 173 75 50 56 64
10 69 76 100 243 667 997 591 167 76 50 57 60
11 70 71 98 260 686 988 552 160 74 52 67 59
12 69 70 96 270 708 976 529 154 72 51 66 61
13 71 70 98 278 730 984 513 149 71 51 60 57
14 69 74 99 284 760 991 499 146 69 52 61 57
15 69 74 103 292 777 997 489 144 66 51 59 57
16 72 81 111 298 837 996 473 138 64 54 60 58
17 69 78 114 314 843 975 456 132 63 57 63 56
18 68 79 116 327 872 984 438 128 63 53 69 57
19 68 82 119 334 894 996 421 124 65 53 93 59
20 69 79 122 346 913 974 401 121 63 52 89 64
21 77 77 128 364 911 948 384 118 62 50 100 62
22 72 76 133 384 902 921 372 114 60 51 71 71
23 69 75 138 400 924 912 363 110 59 52 66 125
24 68 76 139 409 954 887 351 105 61 61 64 95
25 68 75 140 417 981 858 338 102 67 93 62 76
26 67 75 143 426 987 836 317 98 67 66 59 69
27 65 77 147 449 1,010 823 302 94 58 59 58 67
28 64 81 149 472 1,030 793 294 91 56 64 58 67
29 64 72 152 481 1,020 781 286 89 55 60 58 66
30 69   158 507 1,010 755 274 87 54 69 58 67
31 82   164   1,030   259 86   62   80