12 January 1998 Wilmington District Reservoir Regulation Activities for Fiscal Year 1997 Table of Contents

NOTE: Rainfall and runoff amounts are watershed averages. Inflow is adjusted for storage changes at Smith Mountain, Leesville and Philpott projects upstream

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NOTE: Rainfall and runoff amounts are watershed averages. Inflow is adjusted for storage changes at Smith Mountain, Leesville and Philpott projects upstream. TABLE 3, Sheet 2 of 6 SUMMARY OF RESERVOIR CONDITIONS AND PERFORMANCE FOR FISCAL YEAR 1997 WILMINGTON DISTRICT OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP YEARLY PHILPOTT DAM AND LAKE ROANOKE RIVER BASIN (CONT.) INFLOW (c.f.s.) Period of record avg. (Sep 1929 - Dec 1993) 240 242 265 302 346 405 407 312 262 227 211 221 286 Fiscal year 1997 254 401 611 363 423 541 438 295 295 152 89 105 330 OUTFLOW (c.f.s.) Maximum daily 456 667 1281 513 658 661 669 670 654 406 410 306 1281 Minimum daily 33 32 32 33 33 32 32 32 32 32 33 28 28 RAINFALL (inches) Period of record normal (Sep 1929 - Dec 1993) 4.13 3.48 3.61 3.68 3.51 4.61 4.12 4.68 4.67 5.22 4.68 4.74 51.13 Fiscal year 1997 3.49 5.20 8.21 2.68 4.26 5.59 6.54 0.89 5.56 4.06 2.90 5.25 54.63 RUNOFF (inches) Period of record normal (Sep 1929 - Dec 1993) 1.31 1.27 1.44 1.64 1.70 2.20 2.14 1.70 1.38 1.23 1.15 1.16 18.32 Fiscal year 1997 1.38 2.11 3.32 1.97 2.08 2.94 2.31 1.60 1.55 0.83 0.48 0.55 21.13 RESERVOIR ELEVATIONS (ft. m.s.l.) End of month 971.59 972.32 972.88 972.79 973.29 973.77 974.92 973.64 974.23 972.41 969.64 967.80 --- --- Guide curve at end of month 971.50 971.50 971.50 971.50 972.50 973.50 973.50 973.50 973.50 973.50 973.50 971.50 --- --- Maximum elevation 972.52 974.19 975.72 972.96 973.76 974.87 974.95 974.92 974.76 974.15 972.43 969.65 975.72 Minimum elevation 971.56 971.47 971.50 971.46 972.24 973.30 973.22 973.23 973.34 972.37 969.60 967.78 967.78 GROSS GENERATION (MWH) Period of record avg. (Sep 1953 - Dec 1993) 1929.68 1728.36 1950.26 2238.81 1915.94 2631.91 3003.77 2615.28 2218.43 1970.67 2000.34 1979.72 26183.17 Fiscal year 1997 2452.58 3132.24 4121.09 3226.66 3183.45 4628.28 3289.50 3175.71 2333.65 2028.88 1866.67 1544.25 34982.96 Maximum daily 129.39 189.81 189.94 145.35 189.83 190.49 194.19 194.20 189.98 114.92 114.90 84.89 194.20 Maximum hour 8.61 8.04 8.06 8.07 8.11 8.11 8.24 8.24 15.64 15.56 15.68 15.60 15.68 FLOOD STORAGE UTILIZED (%) 0.0 1.6 14.8 0 0 7.4 8.1 7.9 6.5 1.3 0 0 14.8 FISCAL YEAR BENEFITS Flood Control $1,250,300 Headwater $22,784 Power (net marketed) $1,128,662 Water Supply $0 Download 0.56 Mb. Share with your friends: