SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 SEASONS) 11/10/04 MONTHLY DEGREE-DAYS "86-50" METHOD SEASON MAR APR MAY JUN JUL AUG SEP OCT SEASON 1981 7 32 168 291 528 523 252 37 1838 1982 0 23 184 263 514 384 254 124 1746 1983 0 33 77 363 661 626 345 98 2203 1984 0 39 126 332 472 581 250 113 1913 1985 0 41 184 269 471 501 345 88 1899 1986 11 61 222 279 510 443 218 94 1838 1987 3 102 214 434 610 553 327 59 2302 1988 1 27 226 417 586 546 250 42 2095 1989 6 16 181 280 596 478 324 98 1979 1990 6 93 126 304 512 501 284 74 1900 1991 3 54 214 456 535 574 279 75 2190 1992 0 8 190 280 328 402 239 68 1515 1993 6 7 116 255 520 583 220 59 1766 1994 0 22 172 383 476 408 324 119 1904 1995 13 2 151 437 518 606 261 113 2101 1996 0 2 116 290 399 521 348 79 1755 1997 1 33 69 378 528 447 287 124 1867 1998 7 65 268 391 583 604 381 111 2410 1999 6 59 221 449 637 518 379 88 2357 2000 6 67 171 345 515 516 348 154 2122 NON-ZERO 13 20 20 20 20 20 20 20 20 ZEROES 7 0 0 0 0 0 0 0 0 PROB OF ZERO .35 .00 .00 .00 .00 .00 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER SEASON 20 20 20 20 20 20 20 20 20 MEAN 5.8 39.3 169.8 344.8 525.0 515.8 295.8 90.8 1985.0 VARIANCE 12.0 816.7 2723.9 4782.9 6000.5 5075.6 2717.5 895.1 53463.1 STND DEV 3.5 28.6 52.2 69.2 77.5 71.2 52.1 29.9 231.2 SKEW .5 .6 -.3 .3 -.6 -.3 .1 .0 .1 KURTOSIS 2.9 2.6 2.4 1.6 3.7 2.1 1.7 2.5 2.4 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 SEASONS) 11/10/04 MONTHLY DEGREE-DAYS "86-50" METHOD STATISTICS PARAMETER MAR APR MAY JUN JUL AUG SEP OCT SEASON NUMBER SEASON 20 20 20 20 20 20 20 20 20 MEAN 5.8 39.3 169.8 344.8 525.0 515.8 295.8 90.8 1985.0 VARIANCE 12.0 816.7 2723.9 4782.9 6000.5 5075.6 2717.5 895.1 53463.1 STND DEV 3.5 28.6 52.2 69.2 77.5 71.2 52.1 29.9 231.2 SKEW .5 .6 -.3 .3 -.6 -.3 .1 .0 .1 KURTOSIS 2.9 2.6 2.4 1.6 3.7 2.1 1.7 2.5 2.4 GAMMA 2.363 1.367 9.383 26.492 44.083 52.697 33.663 8.630 77.382 BETA 2.474 28.751 18.096 13.015 11.908 9.787 8.786 10.528 25.652 PROB OF ZERO .35 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 1 68 208 359 365 190 35 1498 05 0 4 90 242 402 405 217 47 1629 10 0 7 104 262 427 427 233 54 1702 20 0 12 122 288 458 455 252 64 1793 25 0 15 130 298 470 466 260 69 1828 30 0 18 137 307 481 476 267 72 1861 40 2 24 150 324 501 495 280 80 1920 50 3 30 164 340 521 512 293 87 1976 60 4 38 178 358 541 531 306 95 2034 70 5 48 194 377 563 550 320 104 2097 75 6 54 203 387 576 562 328 109 2132 80 7 61 214 400 590 574 338 115 2172 90 9 84 244 433 628 608 363 132 2279 95 12 106 270 462 661 637 384 147 2370 99 17 155 324 519 726 693 426 177 2547