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USGS Daily Statistics for Washington

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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 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 32 - 33 years of record in, ft3/s   (Calculation Period 1974-10-01 -> 2018-09-30)

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 69 75 85 215 520 1,130 629 156 54 51 85 121
2 69 75 86 228 553 1,150 600 146 52 54 82 113
3 69 76 86 240 580 1,160 597 139 52 56 79 106
4 69 75 86 246 601 1,170 580 140 51 58 80 104
5 69 75 86 248 634 1,170 559 134 49 59 82 116
6 71 75 89 249 656 1,130 548 127 57 59 93 109
7 71 76 91 262 671 1,090 542 130 55 58 132 105
8 73 77 91 284 698 1,060 533 123 53 59 117 100
9 73 77 93 313 715 992 514 114 50 60 112 104
10 73 77 96 324 751 957 483 107 49 61 117 103
11 72 77 97 327 768 928 454 102 48 62 114 102
12 71 77 106 328 809 937 431 96 46 61 118 99
13 70 77 113 332 843 946 411 93 44 60 127 98
14 71 77 117 334 879 933 385 90 44 61 127 95
15 71 78 125 325 940 922 354 87 44 61 121 91
16 72 79 129 321 981 906 336 83 44 62 116 91
17 80 80 130 324 1,050 881 320 80 44 65 111 87
18 75 81 132 333 1,090 865 303 78 44 67 109 85
19 74 83 137 352 1,100 822 286 77 43 67 110 83
20 78 85 142 382 1,060 814 271 74 43 73 104 82
21 78 86 144 423 1,030 834 264 74 43 104 99 81
22 77 87 147 445 1,000 819 250 72 42 81 97 81
23 80 87 152 448 1,010 805 240 68 43 77 110 79
24 86 86 157 469 1,020 773 233 65 43 76 141 77
25 85 84 164 481 1,030 736 225 65 43 74 135 77
26 82 84 168 483 1,020 694 212 63 43 74 123 75
27 81 85 171 484 993 669 202 60 44 75 114 74
28 80 85 175 486 1,010 661 190 58 44 73 112 75
29 79 99 178 495 1,050 696 183 57 46 74 144 73
30 77   185 511 1,070 680 176 57 47 75 145 71
31 76   199   1,090   164 56   81   69