SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 SEASONS) 11/10/04 MONTHLY DEGREE-DAYS BASE 45 SEASON MAR APR MAY JUN JUL AUG SEP OCT SEASON 1981 3 9 153 403 670 676 324 37 2275 1982 0 13 219 340 666 521 366 183 2308 1983 0 12 59 460 809 782 437 100 2659 1984 0 19 128 463 622 734 338 173 2477 1985 0 35 219 371 608 657 464 117 2471 1986 0 45 280 387 657 580 320 108 2377 1987 0 73 251 570 757 708 459 47 2865 1988 0 8 300 564 738 698 359 59 2726 1989 3 9 214 404 746 625 425 123 2549 1990 2 111 144 430 664 656 389 88 2484 1991 1 38 283 603 689 728 344 92 2778 1992 0 2 212 388 476 548 340 104 2070 1993 0 4 120 365 675 738 313 56 2271 1994 0 13 175 506 627 554 455 179 2509 1995 5 0 169 572 669 761 358 165 2699 1996 0 1 127 416 552 675 476 111 2358 1997 0 6 70 509 682 602 404 174 2447 1998 4 46 376 503 738 759 518 181 3125 1999 4 30 304 580 795 671 510 103 2997 2000 1 36 232 480 660 670 451 204 2734 NON-ZERO 8 19 20 20 20 20 20 20 20 ZEROES 12 1 0 0 0 0 0 0 0 PROB OF ZERO .60 .05 .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 2.9 26.8 201.8 465.7 675.0 667.2 402.5 120.2 2558.9 VARIANCE 2.1 782.9 6859.6 6711.3 6181.5 5716.5 4312.4 2579.3 69283.9 STND DEV 1.5 28.0 82.8 81.9 78.6 75.6 65.7 50.8 263.2 SKEW -.1 1.6 .1 .2 -.5 -.4 .2 .0 .4 KURTOSIS 1.8 5.4 2.4 1.7 3.6 2.2 1.7 1.8 2.7 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 BASE 45 STATISTICS PARAMETER MAR APR MAY JUN JUL AUG SEP OCT SEASON NUMBER SEASON 20 20 20 20 20 20 20 20 20 MEAN 2.9 26.8 201.8 465.7 675.0 667.2 402.5 120.2 2558.9 VARIANCE 2.1 782.9 6859.6 6711.3 6181.5 5716.5 4312.4 2579.3 69283.9 STND DEV 1.5 28.0 82.8 81.9 78.6 75.6 65.7 50.8 263.2 SKEW -.1 1.6 .1 .2 -.5 -.4 .2 .0 .4 KURTOSIS 1.8 5.4 2.4 1.7 3.6 2.2 1.7 1.8 2.7 GAMMA 3.561 1.015 5.337 34.127 72.854 78.671 39.851 5.068 100.792 BETA .807 26.450 37.805 13.646 9.265 8.480 10.100 23.716 999.000 PROB OF ZERO .60 .05 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 55 300 505 505 269 31 1947 05 0 0 83 343 550 548 304 48 2126 10 0 2 101 367 576 573 323 59 2222 20 0 5 127 398 608 603 348 75 2337 25 0 6 138 410 620 615 358 81 2381 30 0 8 149 421 631 626 367 88 2421 40 0 12 169 441 652 645 383 100 2492 50 0 17 189 461 672 664 399 112 2559 60 0 23 211 482 692 683 415 126 2626 70 2 31 237 504 714 704 433 142 2697 75 2 36 252 517 726 716 443 151 2736 80 3 42 269 531 740 729 455 161 2780 90 4 60 319 570 777 765 486 192 2896 95 5 79 363 604 809 795 512 219 2992 99 7 121 458 671 868 853 561 278 3171