Saint Charles 3SSW DIVISION: STATION #7255 DATE OF RUN COUNTY: PERIOD ANALYSIS FOR 1971 -1999 ( 26 SEASONS) 11/17/04 MONTHLY DEGREE-DAYS BASE 55 SEASON MAR APR MAY JUN JUL AUG SEP OCT SEASON 1971 0 9 136 525 489 459 352 145 2115 1972 0 15 228 311 508 431 246 29 1768 1973 0 54 97 464 558 549 283 125 2130 1974 1 67 101 348 547 476 178 50 1768 1975 0 14 290 423 579 523 121 86 2036 1976 16 89 129 480 546 432 237 44 1973 1977 13 114 381 346 645 430 267 12 2208 1978 0 0 248 406 516 520 349 34 2073 1979 0 27 175 404 503 418 298 98 1923 1980 0 28 224 323 571 571 293 22 2032 1981 7 62 153 421 551 457 191 0 1842 1982 0 14 269 202 431 311 159 68 1454 1983 3 12 65 359 578 510 274 66 1867 1984 0 36 91 392 408 470 210 63 1670 1988 0 8 147 361 537 474 113 18 1658 1989 7 2 119 299 478 354 163 34 1456 1990 29 94 71 315 414 362 197 41 1523 1991 0 73 316 406 454 397 166 56 1868 1992 0 24 135 219 301 233 135 17 1064 1993 0 1 97 260 488 437 83 13 1379 1994 0 41 101 337 444 309 199 26 1457 1995 0 0 78 396 485 570 121 69 1719 1996 0 22 86 345 357 428 184 24 1446 1997 2 10 16 407 475 324 185 75 1494 1998 45 10 267 361 451 496 284 31 1945 1999 0 22 173 404 532 335 199 22 1687 NON-ZERO 9 24 26 26 26 26 26 25 26 ZEROES 17 2 0 0 0 0 0 1 0 PROB OF ZERO .65 .08 .00 .00 .00 .00 .00 .04 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER SEASON 26 26 26 26 26 26 26 26 26 MEAN 13.7 35.3 161.3 365.9 494.1 433.7 211.0 50.7 1752.1 VARIANCE 215.3 1022.3 8153.1 5492.4 5616.6 7503.1 5244.5 1216.0 80189.7 STND DEV 14.7 32.0 90.3 74.1 74.9 86.6 72.4 34.9 283.2 SKEW 1.2 1.0 .7 -.2 -.5 -.4 .3 1.1 -.4 KURTOSIS 3.3 2.9 2.7 3.2 3.4 2.6 2.2 3.7 2.5 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. ????? DIVISION: STATION #7255 DATE OF RUN COUNTY: PERIOD ANALYSIS FOR 1971 -1999 ( 26 SEASONS) 11/17/04 MONTHLY DEGREE-DAYS BASE 55 STATISTICS PARAMETER MAR APR MAY JUN JUL AUG SEP OCT SEASON NUMBER SEASON 26 26 26 26 26 26 26 26 26 MEAN 13.7 35.3 161.3 365.9 494.1 433.7 211.0 50.7 1752.1 VARIANCE 215.3 1022.3 8153.1 5492.4 5616.6 7503.1 5244.5 1216.0 80189.7 STND DEV 14.7 32.0 90.3 74.1 74.9 86.6 72.4 34.9 283.2 SKEW 1.2 1.0 .7 -.2 -.5 -.4 .3 1.1 -.4 KURTOSIS 3.3 2.9 2.7 3.2 3.4 2.6 2.2 3.7 2.5 GAMMA .976 1.151 3.016 23.091 41.270 23.576 8.366 2.417 37.010 BETA 14.002 30.688 53.466 15.847 11.972 18.396 25.226 20.987 47.341 PROB OF ZERO .65 .08 .00 .00 .00 .00 .00 .04 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 24 212 333 253 79 0 1152 05 0 0 44 250 375 298 107 6 1307 10 0 1 59 272 398 324 125 13 1395 20 0 6 83 301 428 357 149 21 1506 25 0 9 93 312 440 371 158 25 1550 30 0 11 103 322 451 383 168 28 1590 40 0 17 123 342 471 406 185 35 1665 50 0 23 144 361 490 428 203 42 1736 60 0 31 167 380 510 450 221 51 1810 70 2 40 194 402 531 476 242 60 1891 75 4 46 211 414 544 490 255 66 1937 80 7 54 230 428 557 506 269 73 1989 90 17 76 286 466 595 551 308 93 2130 95 27 98 338 500 627 590 344 112 2251 99 49 149 451 566 690 667 416 154 2491