Event Rain Start Rain Start Julian Rain Rain Runoff Rain Runoff R sub v Average Peak Suspended Suspended Pre-Develop. Number Start Start Start Date Duration Interevent Duration Depth Volume Flow Flow Solids Solids Runoff Date Time & Time (hrs) Period(days) (hrs) (in) (cf) (cfs) (cfs) Conc(mg/L) Mass(lbs) Volume (cf) 1 01/10/83 08:00 11,332.33 17.01 22.21 20.41 0.61 34,741 0.22 0.47 0.95 358 776 2 02/02/83 06:00 11,355.25 25.00 12.96 30.00 0.53 28,414 0.21 0.26 0.53 408 723 3 02/16/83 06:00 11,369.25 5.00 6.42 6.00 0.02 11 0.00 0.00 0.00 1,300 1 4 02/22/83 21:00 11,375.88 9.00 8.25 10.80 0.47 23,777 0.20 0.61 1.22 451 668 5 03/03/83 12:00 11,384.50 11.00 0.79 13.20 0.18 5,245 0.11 0.11 0.22 351 115 6 03/04/83 18:00 11,385.75 9.00 1.54 10.80 0.03 91 0.01 0.00 0.00 261 1 7 03/06/83 16:00 11,387.67 1.99 0.83 2.39 0.12 1,322 0.04 0.15 0.31 238 20 8 03/07/83 14:00 11,388.58 8.01 1.04 9.61 0.08 734 0.04 0.02 0.04 164 8 9 03/08/83 23:00 11,389.96 14.01 1.42 16.81 0.11 1,120 0.04 0.02 0.04 217 15 10 03/10/83 23:00 11,391.96 1.01 7.71 1.21 0.01 0 0.00 0.00 0.00 0 0 11 03/18/83 17:00 11,399.71 25.01 15.63 30.01 1.25 82,460 0.26 0.76 1.53 435 2,235 12 04/04/83 09:00 11,416.38 3.00 2.63 3.60 0.02 11 0.00 0.00 0.00 1,634 1 13 04/07/83 03:00 11,419.13 8.00 2.29 9.60 0.26 9,947 0.15 0.29 0.58 456 283 14 04/09/83 18:00 11,421.75 17.00 1.00 20.40 0.76 44,979 0.23 0.61 1.22 412 1,155 15 04/11/83 11:00 11,423.46 4.01 2.46 4.81 0.06 442 0.03 0.03 0.05 163 4 16 04/14/83 02:00 11,426.08 16.01 12.38 19.21 0.64 36,735 0.23 0.53 1.06 404 925 17 04/27/83 03:00 11,439.13 1.00 1.50 1.20 0.03 91 0.01 0.02 0.04 283 2 18 04/28/83 16:00 11,440.67 2.99 1.63 3.59 0.17 4,438 0.10 0.34 0.69 345 96 19 04/30/83 10:00 11,442.42 5.99 0.67 7.19 0.84 50,580 0.24 1.95 3.91 417 1,316 20 05/01/83 08:00 11,443.33 14.01 0.71 16.81 0.49 25,282 0.20 0.42 0.84 448 706 21 05/02/83 15:00 11,444.63 4.00 0.75 4.80 0.48 24,524 0.20 1.42 2.84 446 682 22 05/03/83 13:00 11,445.54 4.99 1.04 5.99 0.21 7,370 0.14 0.34 0.68 373 172 23 05/04/83 19:00 11,446.79 2.99 2.92 3.59 0.17 4,438 0.10 0.34 0.69 323 89 24 05/07/83 20:00 11,449.83 8.01 6.63 9.61 0.33 14,090 0.17 0.41 0.81 480 422 25 05/14/83 19:10 11,456.80 5.08 7.39 6.09 0.43 20,887 0.19 0.95 1.90 462 602 26 05/22/83 09:40 11,464.40 4.43 2.96 5.31 0.19 6,114 0.13 0.32 0.64 358 137 27 05/25/83 13:05 11,467.54 6.09 3.78 7.31 0.25 9,406 0.15 0.36 0.72 441 258 28 05/29/83 14:00 11,471.58 2.59 1.77 3.11 0.55 30,041 0.21 2.68 5.37 429 804 29 05/31/83 11:05 11,473.46 6.41 3.10 7.70 0.33 14,090 0.17 0.51 1.02 491 432 30 06/03/83 20:00 11,476.83 3.26 1.20 3.91 0.12 1,322 0.04 0.09 0.19 227 19 31 06/05/83 04:05 11,478.17 0.42 1.07 0.51 0.04 220 0.02 0.12 0.24 137 2 32 06/06/83 06:15 11,479.26 5.83 11.06 6.99 0.43 20,887 0.19 0.83 1.66 464 605 33 06/17/83 13:30 11,490.56 4.67 9.81 5.60 0.31 12,842 0.16 0.64 1.27 492 394 34 06/27/83 13:40 11,500.57 16.67 2.52 20.00 0.35 15,388 0.17 0.21 0.43 497 477 35 06/30/83 18:50 11,503.79 0.32 0.83 0.39 0.10 984 0.04 0.71 1.41 185 11 36 07/01/83 15:10 11,504.63 0.17 3.09 0.20 0.08 734 0.04 1.00 2.01 70 3 37 07/04/83 17:35 11,507.73 3.17 16.73 3.81 0.27 10,500 0.15 0.77 1.53 466 305 38 07/21/83 14:20 11,524.60 0.24 9.23 0.29 0.09 856 0.04 0.83 1.65 144 8 39 07/30/83 20:00 11,533.83 2.51 0.56 3.01 0.28 11,066 0.16 1.02 2.04 474 328 40 07/31/83 12:00 11,534.50 0.67 3.45 0.80 0.08 734 0.04 0.25 0.51 167 8 41 08/03/83 23:30 11,537.98 4.91 4.51 5.89 0.20 6,893 0.14 0.33 0.65 371 160 42 08/08/83 16:45 11,542.70 0.49 2.40 0.59 0.73 42,878 0.23 20.17 40.33 424 1,134 43 08/11/83 02:45 11,545.11 13.59 10.33 16.31 0.72 42,183 0.23 0.72 1.44 412 1,083 44 08/22/83 00:15 11,556.01 6.83 5.38 8.19 0.93 56,993 0.24 1.93 3.87 425 1,510 45 08/27/83 16:15 11,561.68 0.51 2.41 0.61 0.05 322 0.03 0.15 0.29 165 3 46 08/30/83 02:40 11,564.11 16.16 6.56 19.39 0.28 11,066 0.16 0.16 0.32 474 327 47 09/06/83 08:10 11,571.34 0.21 9.91 0.25 0.03 91 0.01 0.10 0.20 277 2 48 09/16/83 06:10 11,581.26 12.34 1.61 14.80 0.99 61,405 0.24 1.15 2.30 428 1,641 49 09/18/83 09:10 11,583.38 1.92 2.71 2.30 0.31 12,842 0.16 1.55 3.10 491 393 50 09/21/83 04:00 11,586.17 4.49 4.53 5.39 0.55 30,041 0.21 1.55 3.10 419 786 51 09/25/83 21:15 11,590.89 3.16 7.76 3.79 0.09 856 0.04 0.06 0.13 189 10 52 10/03/83 18:45 11,598.78 2.67 0.59 3.20 0.12 1,322 0.04 0.11 0.23 243 20 53 10/04/83 11:30 11,599.48 0.58 0.99 0.69 0.72 42,183 0.23 16.97 33.93 422 1,111 54 10/05/83 11:55 11,600.50 2.34 2.80 2.81 0.16 3,692 0.09 0.36 0.73 326 75 55 10/08/83 09:30 11,603.40 4.42 3.58 5.31 0.31 12,842 0.16 0.67 1.34 485 389 56 10/12/83 03:50 11,607.16 6.57 1.17 7.89 0.60 34,082 0.22 1.20 2.40 400 851 57 10/13/83 14:35 11,608.61 14.34 2.62 17.21 0.51 26,828 0.21 0.43 0.87 438 732 58 10/16/83 19:50 11,611.83 1.42 6.14 1.71 0.10 984 0.04 0.16 0.32 194 12 59 10/23/83 00:35 11,618.02 12.58 10.10 15.10 0.58 32,556 0.22 0.60 1.20 405 823 60 11/02/83 15:30 11,628.65 7.84 7.89 9.41 0.35 15,388 0.17 0.45 0.91 497 477 61 11/10/83 20:40 11,636.86 16.08 7.97 19.29 0.37 16,739 0.18 0.24 0.48 492 514 62 11/19/83 12:00 11,645.50 1.00 1.04 1.20 0.01 0 0.00 0.00 0.00 0 0 63 11/20/83 14:00 11,646.58 8.01 2.67 9.61 0.13 1,823 0.06 0.05 0.11 271 31 64 11/23/83 14:00 11,649.58 5.01 4.38 6.01 0.16 3,692 0.09 0.17 0.34 326 75 65 11/28/83 04:00 11,654.17 17.99 13.04 21.59 0.47 23,777 0.20 0.31 0.61 459 680 66 12/11/83 23:00 11,667.96 19.01 2.13 22.81 0.72 42,183 0.23 0.51 1.03 412 1,085 67 12/14/83 21:00 11,670.88 4.00 0.00 4.80 0.04 220 0.02 0.01 0.03 146 2 Summary Statistics Rain Rain Runoff Rain Runoff R sub v Average Peak Suspended Suspended Pre-Develop. Duration Interevent Duration Depth Volume Flow Flow Solids Solids Runoff (hrs) Period(days) (hrs) (in) (cf) (cfs) (cfs) Conc(mg/L) Mass(lbs) Volume (cf) Number of Events 67 67 65 67 65 65 65 65 65 65 Total 469.0 319.2 560.4 22.00 1.081E+06 n/a n/a n/a n/a 28734 Equivalent Annual Total 505.7 344.1 604.2 23.72 1.165E+06 n/a n/a n/a n/a 30979 Minimum 0.1693 0 0.2031 0.01000 10.83 0.002130 5.012E-04 0.001002 70.14 0.8777 Maximum 25.01 22.21 30.01 1.250 82460 0.2596 20.17 40.33 1634 2235 Average of All Events 7.000 4.764 8.622 0.3284 16628 0.1339 1.085 2.170 391.7 442.1 Median 4.992 2.802 6.000 0.2700 11066 0.1555 0.3647 0.7293 411.6 327.3 Stnd. Dev. 6.238 4.598 7.491 0.2783 18284 0.08183 3.197 6.393 227.4 485.8 COV 0.8911 0.9652 0.8688 0.8475 1.100 0.6112 2.946 2.946 0.5805 1.099 First Rain Date: 01/10/83 Last Rain Date: 12/14/83 Total Time Period (yrs): 0.9275123