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Scientific Investigations Report 2007–5224

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5224

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Table 3. Storm event data for Tomales Bay watershed gaging stations during water years 2004, 2005, and 2006.

[See figure 1 for station locations. ft3/s, cubic foot per second; mi2, square mile; tons/mi2; ton per square mile; —, no data; >, greater than]

Date Lagunitas Creek SPT   Lagunitas Creek PRS   Walker Creek
11460400 11460600 11460750
Peak Stream-flow (ft3/s) Storm Duration (hours) Suspended-Sediment Yield (tons/mi2) Duration of SSC >100 mg/L (hours) Peak Streamflow (ft3/s) Storm Duration (hours) Peak Streamflow (ft3/s) Storm Duration (hours) Suspended-Sediment Yield (tons/mi2) Duration of SSC >100 mg/L (hours)
Water Year 2004
12/06/03 105 21 0.61 0 104 37 33 17 0.54 0
12/09/03 135 48 1.40 0 154 48 35 48 1.53 0
12/14/03 192 34 85 34
12/23/03 1,230 47 1.37 8 1,750 47 619 47 1.50 11
12/29/03 3,230 35 1.0 14 4,520 59 1,220 35 1.10 16
01/01/04 1,510 36 1.05 27 4,860 36 1,690 36 1.20 7
01/09/04 530 56 935 56 224 56 1.79 0
02/02/04 747 89 1,010 89 197 89
02/16/04 1,320 124 3.6 40 3,120 124 1,360 91 2.90 28
02/25/04 1,170 93 2,540 93 1,330 93 2.97 9
Water Year 2005
12/06/04 1,120 98 1,570 98 337 98 3.13 22
12/26/04 1,770 74 3,010 74 588 74
12/29/04 766 149 872 186 555 186
01/07/05 351 81 985 81 1,070 81 2.60 36
01/10/05 262 61 796 61 344 61
01/27/05 354 93 2.71 4 679 93 105 93
02/15/05 151 44 1.28 0 263 44 53 44
02/18/05 287 165 4.81 2 879 213 416 213
02/26/05 558 243 7.08 4 1,190 195 471 195
03/19/05 1,410 426 12.4 6 2,980 426 959 426
04/08/05 308 137 3.99 0 514 137 172 137
05/08/05 404 87 793 87 148 87
05/18/05 570 122 863 122 240 122
Water Year 2006
12/01/05 316 37 1.08 6 349 48 57 37 1.18 11
12/18/05 1,200 24 0.70 7 1,040 42 271 42 1.34 21
12/20/05 1,030 107 3.12 3 1,220 107 1,090 107
12/25/05 1,110 36 1.0 15 3,460 54 2,440 54 1.70 53
12/30/05 7,080 103 17,250 103 7,760 103 3.00 94
01/28/06 641 180 5.25 0 898 180 511 180
02/27/06 864 70 2.04 10 3,020 70 1,380 70 2.20 57
03/04/06 757 106 3.09 0 2,510 106 1,060 106
03/13/06 554 52 1.52 2 1,160 52 427 52 1.66 15
03/24/06 1,340 82 2.39 4 1,930 82 478 82 2.62 11
04/11/06 1,870 110 3.2 15 6,040 110 1,460 110 3.50 46

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