Scientific Investigations Report 2006-5035

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006-5035

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Table 7

Table 7. Low-flow frequency statistics for streamflow-gaging stations used in low-flow regression analyses for unregulated streams in regions 1-8 in Idaho.

[1Q10, 1-day, 10-year low flow; 7Q10, 7-day, 10-year flow; 7Q2, 7-day, 2-year low flow; 30Q5, 30-day, 5-year low flow]

Gaging
station No.		 1 Q 10 7 Q 10 7 Q 2 30 Q 5
Region 1
12305500 4.42 5.07 9.18 7.56
12311000 7.83 8.65 13.0 11.44
12316800 1.81 1.94 3.54 3.13
12320500 2.82 3.40 6.25 4.92
12321000 5.15 5.65 11.0 9.46
12392155 2.20 2.50 11.4 2.47
12392300 18.6 19.5 28.3 26.3
12393500 142 145 215 176
12396000 3.86 6.10 9.28 9.68
12408500 4.96 5.54 8.47 7.64
12409000 15.5 21.1 61.9 39.6
12427000 31.0 34.8 40.3 38.6
12431000 84.0 87.2 123 104
Region 2
12301300 30.5 37.7 61.8 57.3
12301999 3.22 3.80 6.81 5.70
12302000 63.4 75.1 95.9 91.5
12302055 48.5 59.8 85.4 79.5
12302500 4.60 5.06 7.59 7.55
12303100 3.55 3.84 4.90 4.63
12303500 61.2 76.2 108 94.5
12340000 230 284 390 402
12341000 .596 .859 4.65 2.84
12343400 29.2 41.0 60.8 64.2
12344000 97.9 122 173 167
12346500 14.0 16.5 19.3 20.6
12347500 2.08 2.34 5.15 4.25
12350000 1.08 1.43 3.06 2.76
12350500 3.06 3.75 7.95 6.72
12351000 4.92 7.17 11.1 11.9
12352000 8.53 9.77 20.5 15.5
12353280 12.4 14.1 19.9 18.5
12354000 50.5 65.2 86.2 83.9
12375900 3.92 4.56 5.53 5.35
12377150 5.94 6.69 7.78 7.65
12389500 73.5 93.4 128 123
12390700 29.5 30.8 42.7 36.4
12411000 52.8 58.6 79.6 75.5
12413000 144 164 220 207
12413140 .901 1.07 3.17 2.33
12413150 26.6 31.6 42.2 41.8
12413210 40.3 48.6 60.3 56.3
12413470 61.6 70.4 90.3 82.7
12413500 215 238 317 292
12414500 185 233 333 313
12414900 28.3 32.9 45.3 42.4
12415000 24.1 28.7 45.1 39.1
12416000 2.39 2.56 3.59 3.39
13336500 255 333 496 463
13336900 22.9 23.3 29.8 28.0
13337000 199 243 358 335
13340500 328 405 587 541
13340600 330 477 629 641
13341000 525 645 1000 935
13341300 .496 .546 .729 .677
13341400 4.08 4.36 6.01 5.51
Region 3
12424000 2.69 2.95 9.15 5.18
13334700 23.3 26.6 32.7 32.4
13341500 5.00 5.49 7.81 7.20
13342450 1.43 1.61 3.93 2.86
13345000 .956 1.81 6.20 4.26
13346100 .200 .287 3.20 1.63
13346800 .075 .116 .186 .244
13348000 .494 .627 1.77 1.06
13348500 .000 .000 .105 .012
Region 4
13196500 0.155 0.168 0.313 0.240
13200000 9.67 10.4 25.6 17.4
13200500 .000 .045 .312 .156
13201000 12.1 12.7 26.6 19.0
13207000 .000 .000 .000 .000
13207500 .000 .000 .099 .045
13250600 1.76 2.16 2.87 2.82
13251300 .475 .572 .800 .753
13251500 1.48 3.12 4.73 4.54
13253500 10.2 10.4 14.6 12.8
13256000 28.4 33.4 44.7 47.5
13257000 .000 .000 1.054 .396
13258500 25.7 29.6 61.8 47.9
13260000 0.991 1.29 2.41 2.15
13261000 4.94 5.60 8.50 7.78
13267000 .185 .258 1.24 .874
13269300 .210 .246 .646 .494
13270800 13.0 14.6 17.6 17.6
13275500 .40 .70 4.86 2.25
13288200 44.2 53.1 69.6 67.5
13289960 9.11 9.61 18.8 13.3
13290190 18.0 18.9 33.1 25.2
13291000 21.3 31.3 48.4 47.1
13315500 1.01 1.05 1.31 1.31
13316500 97.5 111 153 135
13316800 .183 .211 .768 .547
13319000 7.58 8.95 18.2 14.6
13320000 12.6 15.9 21.4 20.7
13323600 1.50 1.58 3.06 2.37
13325500 15.3 15.6 22.6 19.7
13329500 8.37 9.34 14.4 12.5
13330000 15.1 17.5 25.9 23.2
13330500 6.03 6.54 9.83 8.54
13331500 24.9 36.8 62.7 57.0
13337500 19.3 21.9 31.7 29.9
13338000 48.6 74.8 118 112
13338500 80.3 111 152 145
13339000 481 672 1,090 992
13339500 18.9 21.1 31.8 29.0
13340000 584 768 1,120 1,040
14010000 82.2 83.5 98.7 91.1
14011000 1.18 1.47 2.45 2.16
Region 5
13135500 22.5 34.0 39.1 40.5
13136500 19.0 24.3 27.4 27.7
13139500 .412 .752 47.3 6.89
13141000 22.2 23.4 44.6 32.4
13185000 163 214 279 268
13186000 101 126 171 159
13186500 6.38 10.2 16.5 14.5
13187000 10.1 11.1 13.3 12.5
13235000 158 198 251 244
13240000 1.89 6.70 12.1 11.0
13292500 2.94 3.05 7.04 4.75
Gaging
station No.		 1 Q 10 7 Q 10 7 Q 2 30 Q 5
Region 5 — Continued
13293000 11.3 11.5 14.8 13.5
13295000 44.5 46.4 64.1 57.4
13295500 165 179 272 229
13296000 19.8 29.2 37.9 34.9
13296500 239 262 351 318
13308500 46.3 49.5 61.5 57.1
13309000 59.4 64.3 81.9 72.8
13309220 202 268 358 364
13310000 70.8 94.3 108 109
13310199 382 561 714 698
13310500 21.1 23.0 32.5 28.2
13310700 66.5 80.8 107 97.9
13311000 4.41 4.77 6.17 5.48
13311500 10.2 11.2 12.3 12.0
13312000 27.7 27.9 35.1 31.5
13313000 35.3 44.1 59.7 54.1
13313500 29.8 31.2 39.1 34.9
13314000 191 230 338 317
13314300 177 289 397 368
13315000 2,040 2,480 2,890 3,120
Region 6
6013500 28.8 30.7 37.6 34.4
6015500 .000 .520 8.25 5.57
6019500 54.9 60.4 84.9 78.9
6037500 283 301 361 335
13108500 4.46 4.46 14.43 7.94
13112000 .000 .000 .000 .000
13113000 .000 .000 7.72 1.87
13113500 .000 .000 .000 .000
13117300 9.14 9.94 13.7 12.5
13120000 12.3 13.7 17.4 16.3
13120500 38.8 44.0 60.7 53.9
13128900 1.63 1.72 2.83 2.96
13297330 1.66 2.04 2.94 2.61
13297350 .000 .000 .137 .093
13297355 4.14 4.72 6.88 6.14
13297450 2.79 3.37 4.39 4.04
13298000 32.1 44.0 60.8 57.0
13299000 6.60 7.09 10.4 8.82
13302500 483 553 808 711
13305000 50.0 55.4 98.3 86.0
13305500 15.0 16.4 32.6 27.3
13306000 14.4 18.3 24.8 23.7
13306385 4.74 5.41 6.74 6.52
13306500 34.5 46.9 65.3 63.7
13307000 854 938 1,250 1,180
Region 7
10119000 6.13 6.42 13.44 9.81
10172940 .083 .083 .140 .104
10315500 .365 .402 1.06 .701
10329500 3.64 3.80 5.23 4.64
10352500 .000 .000 1.09 .239
10353000 .484 .581 1.30 .936
10396000 14.9 20.7 30.6 28.7
10406500 .605 .695 2.44 1.49
13057940 4.86 5.30 18.1 9.57
13075000 20.3 23.9 38.3 33.1
13077700 1.17 1.27 1.65 1.54
13079100 0.251 .280 .670 .458
13092000 4.23 4.50 6.81 5.92
13154000 .000 .000 .145 .072
13155300 .016 .092 .299 .228
13161500 3.47 3.72 8.57 5.85
13162500 3.68 5.00 7.45 6.52
13169500 .000 .000 .000 .000
13170000 .000 .000 .000 .000
13172680 .000 .000 .202 .025
13172720 .000 .000 .016 .006
13172735 .000 .000 .016 .000
13172740 .079 .195 .848 .490
13176000 5.98 6.97 16.5 12.0
13177000 .958 .955 1.60 1.42
13178000 .475 .940 1.96 1.50
13226500 .145 .187 .708 .500
Region 8
9208000 2.10 2.23 3.05 2.75
9224000 .000 1.71 13.55 8.92
10010400 5.39 5.98 7.86 6.89
10015700 .000 .000 .123 .008
10032000 39.8 42.8 55.0 50.7
10040000 1.36 1.67 2.55 2.07
10040500 1.40 1.47 3.21 2.34
10041000 6.96 7.73 11.9 9.96
10047500 3.03 4.61 6.43 5.63
10058600 12.5 12.7 14.8 13.7
10069000 18.8 18.9 22.8 20.7
10077000 39.0 39.7 46.1 43.4
10093000 14.7 15.0 18.2 16.8
10096000 0.879 1.10 2.15 1.60
10099000 4.42 4.71 6.82 5.82
10102300 2.84 3.30 4.40 3.84
10104700 10.9 14.0 20.9 17.1
10104900 4.67 5.22 6.79 6.01
10105000 6.35 6.77 9.95 8.28
10109000 14.1 15.0 56.1 26.6
10113500 39.7 46.4 66.3 55.8
13010065 176 182 265 221
13011500 22.6 25.9 35.6 32.3
13011900 74.9 86.2 100.9 98.8
13012000 91.6 103 123 115
13014500 106 118 132 133
13018300 1.79 2.11 3.30 2.82
13019438 2.86 3.23 4.60 3.94
13019500 116 149 164 167
13023000 117 136 169 160
13024500 8.70 8.98 11.5 10.8
13025000 25.0 27.3 31.0 30.5
13025500 21.5 24.2 31.7 29.6
13027000 24.4 24.8 27.7 27.4
13032000 12.3 13.9 17.8 16.5
13044500 145 164 183 175
13045500 30.4 36.6 54.7 47.6
13046680 51.3 53.4 63.0 58.5
13046995 278 303 381 352
13047500 192 233 335 295
13047600 233 256 400 336
13049500 25.8 38.6 139 92.8
13052200 94.2 112 165 144
13054000 97.9 128 172 168
13055000 246 278 335 318

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