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USGS Surface-Water 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.
Clark County, Washington Hydrologic Unit Code 17080003
Latitude 45°37'15", Longitude 122°40'20"
NAD27
Drainage area 241,000 square miles Gage datum 1.82 feet above NGVD29 |
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00060, Discharge, cubic feet per second, | |||||||||||||
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Day of month |
Mean of daily mean values for each day for water year of record in, ft3/s
(Calculation Period 1963-10-01 -> 2024-09-30) Calculation period restricted by USGS staff due to special conditions at/near site |
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1 | 150,000 | 183,000 | 167,000 | 192,000 | 240,000 | 355,000 | 309,000 | 171,000 | 123,000 | 101,000 | 116,000 | 137,000 | |
2 | 149,000 | 180,000 | 168,000 | 197,000 | 242,000 | 359,000 | 296,000 | 169,000 | 118,000 | 101,000 | 119,000 | 137,000 | |
3 | 148,000 | 177,000 | 169,000 | 199,000 | 248,000 | 361,000 | 287,000 | 167,000 | 111,000 | 102,000 | 118,000 | 139,000 | |
4 | 150,000 | 176,000 | 169,000 | 190,000 | 250,000 | 364,000 | 276,000 | 167,000 | 110,000 | 101,000 | 123,000 | 141,000 | |
5 | 154,000 | 174,000 | 171,000 | 187,000 | 250,000 | 372,000 | 270,000 | 166,000 | 111,000 | 103,000 | 130,000 | 141,000 | |
6 | 159,000 | 179,000 | 166,000 | 184,000 | 259,000 | 375,000 | 265,000 | 167,000 | 109,000 | 102,000 | 131,000 | 139,000 | |
7 | 163,000 | 178,000 | 165,000 | 191,000 | 273,000 | 375,000 | 261,000 | 164,000 | 110,000 | 101,000 | 128,000 | 139,000 | |
8 | 163,000 | 176,000 | 164,000 | 200,000 | 278,000 | 375,000 | 262,000 | 159,000 | 110,000 | 97,500 | 132,000 | 142,000 | |
9 | 168,000 | 174,000 | 176,000 | 203,000 | 282,000 | 374,000 | 260,000 | 157,000 | 107,000 | 103,000 | 132,000 | 141,000 | |
10 | 165,000 | 172,000 | 181,000 | 212,000 | 289,000 | 375,000 | 259,000 | 157,000 | 109,000 | 106,000 | 130,000 | 135,000 | |
11 | 162,000 | 178,000 | 177,000 | 214,000 | 297,000 | 374,000 | 255,000 | 159,000 | 108,000 | 105,000 | 133,000 | 138,000 | |
12 | 163,000 | 182,000 | 180,000 | 215,000 | 300,000 | 372,000 | 253,000 | 157,000 | 107,000 | 104,000 | 135,000 | 141,000 | |
13 | 168,000 | 178,000 | 174,000 | 219,000 | 299,000 | 367,000 | 250,000 | 151,000 | 107,000 | 107,000 | 132,000 | 141,000 | |
14 | 171,000 | 177,000 | 171,000 | 219,000 | 310,000 | 362,000 | 250,000 | 152,000 | 106,000 | 110,000 | 132,000 | 144,000 | |
15 | 171,000 | 174,000 | 179,000 | 213,000 | 310,000 | 361,000 | 247,000 | 152,000 | 106,000 | 112,000 | 132,000 | 145,000 | |
16 | 168,000 | 167,000 | 179,000 | 212,000 | 315,000 | 355,000 | 240,000 | 149,000 | 103,000 | 108,000 | 136,000 | 141,000 | |
17 | 166,000 | 175,000 | 182,000 | 208,000 | 321,000 | 349,000 | 233,000 | 149,000 | 104,000 | 104,000 | 138,000 | 141,000 | |
18 | 162,000 | 179,000 | 184,000 | 207,000 | 321,000 | 347,000 | 227,000 | 145,000 | 102,000 | 105,000 | 136,000 | 141,000 | |
19 | 161,000 | 184,000 | 180,000 | 210,000 | 329,000 | 346,000 | 222,000 | 149,000 | 100,000 | 108,000 | 135,000 | 141,000 | |
20 | 163,000 | 187,000 | 179,000 | 210,000 | 334,000 | 342,000 | 216,000 | 148,000 | 104,000 | 104,000 | 135,000 | 144,000 | |
21 | 164,000 | 177,000 | 178,000 | 215,000 | 339,000 | 337,000 | 214,000 | 145,000 | 102,000 | 106,000 | 135,000 | 146,000 | |
22 | 163,000 | 180,000 | 182,000 | 228,000 | 342,000 | 336,000 | 210,000 | 145,000 | 100,000 | 109,000 | 133,000 | 156,000 | |
23 | 168,000 | 181,000 | 183,000 | 235,000 | 346,000 | 332,000 | 205,000 | 146,000 | 99,300 | 112,000 | 132,000 | 168,000 | |
24 | 173,000 | 183,000 | 184,000 | 237,000 | 349,000 | 331,000 | 200,000 | 144,000 | 99,300 | 113,000 | 131,000 | 168,000 | |
25 | 175,000 | 176,000 | 185,000 | 240,000 | 352,000 | 328,000 | 200,000 | 137,000 | 101,000 | 113,000 | 133,000 | 165,000 | |
26 | 174,000 | 171,000 | 186,000 | 244,000 | 350,000 | 327,000 | 194,000 | 139,000 | 107,000 | 111,000 | 131,000 | 154,000 | |
27 | 169,000 | 169,000 | 185,000 | 238,000 | 345,000 | 326,000 | 194,000 | 139,000 | 104,000 | 110,000 | 131,000 | 154,000 | |
28 | 177,000 | 161,000 | 182,000 | 237,000 | 340,000 | 323,000 | 189,000 | 134,000 | 106,000 | 109,000 | 130,000 | 159,000 | |
29 | 180,000 | 146,000 | 183,000 | 239,000 | 338,000 | 321,000 | 191,000 | 133,000 | 105,000 | 114,000 | 133,000 | 160,000 | |
30 | 179,000 | 184,000 | 240,000 | 343,000 | 319,000 | 186,000 | 134,000 | 103,000 | 112,000 | 132,000 | 157,000 | ||
31 | 180,000 | 189,000 | 351,000 | 174,000 | 130,000 | 110,000 | 154,000 |