OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE 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 19 98 225 423 558 550 269 58 2200 1982 1 59 358 298 571 435 295 178 2195 1983 15 35 122 433 688 609 379 131 2412 1984 0 97 166 454 543 586 307 178 2331 1985 7 154 284 320 523 494 385 119 2286 1986 30 143 272 347 592 439 301 105 2229 1987 39 138 333 509 663 540 346 69 2637 1988 7 58 300 488 599 630 351 84 2517 1989 21 60 234 364 598 503 356 183 2319 1990 45 165 176 390 514 497 337 109 2233 1991 18 121 347 514 582 564 317 117 2580 1992 1 53 250 329 382 426 295 107 1843 1993 11 36 210 357 571 560 231 90 2066 1994 1 83 237 431 516 447 368 172 2255 1995 34 25 187 536 565 650 293 147 2437 1996 2 51 182 410 459 509 338 136 2087 1997 5 67 98 465 512 426 289 167 2029 1998 46 115 351 423 537 574 386 150 2582 1999 24 108 333 491 619 493 348 114 2530 2000 67 75 271 389 511 475 330 199 2317 NON-ZERO 19 20 20 20 20 20 20 20 20 ZEROES 1 0 0 0 0 0 0 0 0 PROB OF ZERO .05 .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 20.7 87.1 246.8 418.5 555.2 520.3 326.0 130.6 2304.3 VARIANCE 347.6 1759.3 5931.1 4783.4 4609.3 4746.4 1687.6 1620.6 43117.7 STND DEV 18.6 41.9 77.0 69.2 67.9 68.9 41.1 40.3 207.6 SKEW .9 .3 -.2 -.0 -.4 .2 -.4 -.0 -.3 KURTOSIS 3.0 2.0 2.1 2.0 3.8 2.0 2.6 2.0 2.6 NOTE: A MISSING OR INCOMPLETE VALUE, INDICATED BY THE FIELD BEING FILLED WITH 9s, IS NOT INCLUDED IN THE ANALYSIS. OLD MISSION 3 SSW DIVISION: 3 STATION #6158 DATE OF RUN COUNTY: GRAND TRAVERSE 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 20.7 87.1 246.8 418.5 555.2 520.3 326.0 130.6 2304.3 VARIANCE 347.6 1759.3 5931.1 4783.4 4609.3 4746.4 1687.6 1620.6 43117.7 STND DEV 18.6 41.9 77.0 69.2 67.9 68.9 41.1 40.3 207.6 SKEW .9 .3 -.2 -.0 -.4 .2 -.4 -.0 -.3 KURTOSIS 3.0 2.0 2.1 2.0 3.8 2.0 2.6 2.0 2.6 GAMMA .939 4.191 9.344 37.610 66.337 60.469 62.989 10.076 126.555 BETA 22.029 20.770 26.413 11.129 8.369 8.605 5.176 12.966 999.000 PROB OF ZERO .05 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 19 98 276 409 377 238 54 1821 05 0 31 131 313 448 415 261 71 1963 10 1 39 151 334 470 437 275 81 2038 20 3 51 178 360 497 463 291 95 2129 25 5 56 189 371 508 474 297 101 2164 30 6 61 199 380 517 483 303 106 2195 40 9 70 219 398 535 501 314 116 2252 50 13 80 238 415 552 517 324 126 2304 60 18 91 259 432 570 535 335 137 2357 70 24 103 282 451 589 553 346 149 2413 75 28 111 295 462 599 564 352 156 2444 80 32 119 311 475 612 576 360 163 2479 90 47 144 354 508 644 608 379 185 2570 95 62 167 393 537 672 635 395 205 2646 99 97 215 472 592 726 688 424 245 2787