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<br /> A-2 <br /> SUMMARY OF SELECTED PROBABILITIES <br />Marketing Probability Study - 10-year period (1990-1999) <br />, Winter Energy <br />Exceedance Season <br />Level OCT NOIJ DEC JAN FEB MAR Total <br />Adverse 305 33B 437 431 305 273 213B <br />95% 316 347 451 453 324 284 2197 <br />90% 319 350 457 459 328 288 2222 <br />75% 337 365 472 479 352 320 2319 <br />60% 342 375 489 497 369 339 2424 <br />50% 345 377 491 512 386 352 2515 <br />40% 351 378 493 525 400 367 2588 <br />25% 368 381 495 542 423 442 2695 <br />10% 498 423 535 567 561 701 3194 <br />Max i mum 721 538 559 647 792 969 4064 <br />Mean 373 381 490 512 414 423 2593.!1 <br /> <br /> Summer Energy <br />Exceedance Season <br />Level APR MIIY JUN JUL AUG SEP Total <br />Adverse 276 309 365 471 467 233 2299 <br />95% 291 326 413 494 484 238 2364 <br />90% 298 354 429 521 497 241 2538 <br />75% 338 389 466 551 513 269 2663 <br />60% 354 406 484 578 532 346 2729 <br />50% 370 419 521 597 540 361 2835 <br />40% 395 447 637 627 553 381 3019 <br />25% 528 652 1014 739 584 405 3747 <br />10% 796 953 1237 1086 664 458 5115 <br />Maximum 1090 1238 1272 1310 974 1058 6585 <br />Mean 465 544 702 698 572 374 33551/ <br /> <br />; <br /> <br />.!I <br /> <br />Probability level and value selected for use in the Post 1989 Marketing <br />Cri teri a. <br />