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USGS Surface-Water Daily Statistics for Oregon

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 14246900 COLUMBIA RIVER AT PORT WESTWARD, NEAR QUINCY, OR


Columbia County, Oregon
Hydrologic Unit Code 17080003
Latitude  46°10'53", Longitude 123°10'56" NAD27
Drainage area 256,900  square miles
Gage datum -1.00 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 1968-10-01 -> 2021-09-30)

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
1 262,000 279,000 241,000 281,000 317,000 361,000 276,000 175,000 137,000 126,000 162,000 227,000
2 260,000 274,000 239,000 274,000 318,000 363,000 264,000 171,000 128,000 123,000 162,000 229,000
3 260,000 272,000 238,000 276,000 317,000 359,000 255,000 164,000 124,000 127,000 164,000 237,000
4 265,000 264,000 236,000 274,000 315,000 358,000 245,000 159,000 122,000 130,000 161,000 242,000
5 267,000 259,000 236,000 271,000 317,000 360,000 233,000 162,000 122,000 128,000 162,000 242,000
6 271,000 255,000 242,000 273,000 318,000 360,000 232,000 165,000 121,000 123,000 167,000 239,000
7 273,000 259,000 243,000 274,000 322,000 361,000 230,000 164,000 120,000 121,000 170,000 236,000
8 273,000 266,000 245,000 281,000 324,000 355,000 232,000 163,000 115,000 124,000 177,000 239,000
9 271,000 268,000 248,000 280,000 326,000 351,000 230,000 162,000 114,000 132,000 179,000 242,000
10 271,000 266,000 246,000 283,000 327,000 351,000 226,000 160,000 114,000 135,000 181,000 241,000
11 273,000 266,000 246,000 294,000 329,000 345,000 221,000 160,000 117,000 134,000 178,000 244,000
12 270,000 262,000 251,000 298,000 327,000 342,000 220,000 159,000 119,000 136,000 180,000 249,000
13 278,000 259,000 253,000 293,000 334,000 336,000 217,000 162,000 120,000 137,000 180,000 250,000
14 285,000 253,000 253,000 295,000 334,000 327,000 215,000 160,000 119,000 136,000 183,000 255,000
15 283,000 249,000 254,000 297,000 339,000 321,000 217,000 161,000 121,000 141,000 186,000 256,000
16 277,000 253,000 258,000 297,000 343,000 316,000 211,000 160,000 117,000 141,000 189,000 254,000
17 278,000 257,000 264,000 296,000 344,000 309,000 207,000 157,000 122,000 134,000 189,000 258,000
18 278,000 261,000 263,000 298,000 352,000 305,000 204,000 156,000 121,000 137,000 198,000 259,000
19 287,000 263,000 265,000 298,000 363,000 305,000 200,000 156,000 121,000 138,000 199,000 252,000
20 284,000 268,000 264,000 293,000 368,000 301,000 198,000 155,000 120,000 134,000 205,000 251,000
21 281,000 267,000 265,000 299,000 371,000 295,000 197,000 154,000 120,000 139,000 206,000 255,000
22 284,000 257,000 260,000 301,000 370,000 291,000 197,000 149,000 119,000 144,000 214,000 256,000
23 284,000 260,000 267,000 307,000 367,000 288,000 190,000 153,000 121,000 146,000 221,000 254,000
24 284,000 257,000 270,000 314,000 366,000 287,000 185,000 150,000 124,000 145,000 221,000 251,000
25 281,000 256,000 267,000 319,000 366,000 287,000 188,000 150,000 123,000 145,000 223,000 240,000
26 277,000 252,000 269,000 322,000 365,000 285,000 184,000 149,000 124,000 145,000 218,000 232,000
27 276,000 246,000 272,000 322,000 360,000 284,000 185,000 149,000 123,000 143,000 221,000 228,000
28 272,000 245,000 274,000 323,000 360,000 284,000 181,000 147,000 124,000 139,000 219,000 240,000
29 271,000 258,000 273,000 320,000 363,000 282,000 182,000 146,000 123,000 150,000 222,000 255,000
30 275,000   279,000 317,000 364,000 283,000 183,000 145,000 123,000 150,000 226,000 264,000
31 274,000   281,000   363,000   178,000 143,000   155,000   262,000