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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 12448998 TWISP RIVER NEAR TWISP, WA


Okanogan County, Washington
Hydrologic Unit Code 17020008
Latitude  48°22'12", Longitude 120°08'51" NAD27
Drainage area 245  square miles
Gage datum 1,640 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 1974-10-01 -> 2024-09-30)

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 73 81 90 217 564 1,120 604 148 53 51 86 130
2 73 82 90 229 597 1,140 576 140 52 54 84 125
3 74 82 89 240 641 1,150 573 133 51 55 83 117
4 73 81 89 247 672 1,160 557 133 51 57 86 113
5 72 82 89 249 726 1,140 531 127 49 58 97 121
6 74 82 91 249 735 1,100 519 121 55 58 104 119
7 74 82 93 262 738 1,050 512 123 53 57 135 114
8 76 84 94 280 757 1,020 502 116 51 61 120 108
9 75 85 95 304 775 956 483 109 50 62 114 111
10 74 84 97 315 801 936 454 103 49 62 118 109
11 74 85 98 319 816 910 429 98 48 63 115 108
12 72 84 106 320 864 916 408 93 46 62 118 105
13 72 84 111 323 904 918 389 90 45 62 128 103
14 72 84 115 325 942 900 364 87 44 62 129 100
15 71 84 122 320 1,010 883 335 84 45 62 144 96
16 73 85 125 321 1,060 863 318 80 45 63 134 96
17 79 86 127 326 1,130 840 304 77 44 68 122 92
18 75 87 131 339 1,160 828 287 75 44 70 117 90
19 75 88 137 364 1,150 797 271 74 44 70 116 87
20 79 90 143 395 1,100 795 257 72 44 74 109 86
21 79 91 146 431 1,060 815 250 72 44 100 104 85
22 78 92 151 451 1,020 810 236 70 43 82 102 85
23 81 91 157 454 1,010 794 227 66 43 79 112 83
24 86 90 162 475 1,020 758 220 63 44 78 137 80
25 85 89 169 484 1,040 722 212 63 44 76 132 81
26 83 90 172 487 1,030 686 200 62 45 77 124 79
27 81 89 176 494 1,010 667 192 59 46 77 115 77
28 81 90 181 503 1,020 658 181 57 45 76 116 78
29 80 105 185 518 1,050 676 174 56 47 78 144 76
30 79   192 546 1,070 652 167 56 48 78 145 74
31 79   204   1,090   155 55   83   73