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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 72 78 88 214 569 1,120 604 148 53 51 87 131
2 72 79 89 226 603 1,140 576 140 52 54 84 126
3 72 78 88 236 649 1,150 573 133 51 55 82 117
4 72 78 88 242 680 1,160 557 133 51 57 85 113
5 71 79 88 245 735 1,140 531 127 49 58 94 120
6 73 79 90 246 745 1,100 519 121 55 58 102 114
7 73 79 92 259 748 1,050 512 123 53 57 134 109
8 75 81 92 278 767 1,020 502 116 51 61 119 104
9 75 82 94 303 785 956 483 109 50 62 114 108
10 74 82 96 315 810 936 454 103 49 62 117 106
11 74 82 97 319 819 910 429 98 48 63 114 105
12 73 81 105 320 861 916 408 93 46 62 117 102
13 73 81 110 322 897 918 389 90 45 62 128 101
14 72 82 114 324 942 900 364 87 44 62 129 97
15 72 82 122 318 1,010 883 335 84 45 62 145 93
16 73 84 125 318 1,060 863 318 80 45 63 134 93
17 80 84 126 324 1,130 840 304 77 44 68 122 90
18 76 84 128 337 1,160 828 287 75 44 70 118 87
19 75 86 133 364 1,150 797 271 74 44 70 116 85
20 79 88 138 395 1,100 795 257 72 44 75 109 84
21 79 89 141 432 1,060 815 250 72 44 101 104 83
22 78 90 146 454 1,020 810 236 70 43 83 102 83
23 81 89 152 457 1,010 794 227 66 43 79 113 81
24 86 89 156 477 1,020 758 220 63 44 78 138 79
25 85 88 163 487 1,040 722 212 63 44 77 133 79
26 83 88 167 490 1,030 686 200 62 45 77 124 77
27 81 88 171 497 1,010 667 192 59 46 78 115 76
28 80 88 177 506 1,020 658 181 57 45 77 116 76
29 79 99 181 522 1,050 676 174 56 47 79 145 74
30 78   188 551 1,070 652 167 56 48 79 146 72
31 77   201   1,090   155 55   84   71