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 BASE 55 SEASON MAR APR MAY JUN JUL AUG SEP OCT SEASON 1981 1 5 79 251 405 388 125 1 1255 1982 0 5 168 114 415 263 143 44 1152 1983 0 3 18 273 546 459 232 40 1571 1984 0 21 34 295 384 430 137 40 1341 1985 0 63 96 150 353 337 230 8 1237 1986 3 43 110 172 438 276 155 4 1201 1987 2 31 160 358 535 386 179 5 1656 1988 0 0 109 328 467 508 188 24 1624 1989 6 1 80 207 449 341 186 57 1327 1990 9 88 23 224 353 339 177 15 1228 1991 0 44 212 355 428 417 188 22 1666 1992 0 14 92 155 216 253 127 20 877 1993 0 0 65 197 418 405 79 10 1174 1994 0 7 74 267 356 286 195 39 1224 1995 0 0 25 375 416 499 131 52 1498 1996 0 6 36 247 297 349 176 12 1123 1997 0 0 6 281 347 259 116 58 1067 1998 7 12 153 271 383 410 214 14 1464 1999 0 7 160 334 475 332 170 9 1487 2000 3 1 96 218 337 295 169 53 1172 NON-ZERO 7 16 20 20 20 20 20 20 20 ZEROES 13 4 0 0 0 0 0 0 0 PROB OF ZERO .65 .20 .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 4.4 21.9 89.8 253.6 400.9 361.6 165.9 26.4 1317.2 VARIANCE 8.6 649.0 3351.6 5548.0 5960.0 6061.1 1545.6 379.4 46428.3 STND DEV 2.9 25.5 57.9 74.5 77.2 77.9 39.3 19.5 215.5 SKEW .4 1.4 .4 -.1 -.2 .3 -.2 .4 .1 KURTOSIS 1.7 3.9 2.3 2.1 3.4 2.1 2.6 1.6 2.3 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 BASE 55 STATISTICS PARAMETER MAR APR MAY JUN JUL AUG SEP OCT SEASON NUMBER SEASON 20 20 20 20 20 20 20 20 20 MEAN 4.4 21.9 89.8 253.6 400.9 361.6 165.9 26.4 1317.2 VARIANCE 8.6 649.0 3351.6 5548.0 5960.0 6061.1 1545.6 379.4 46428.3 STND DEV 2.9 25.5 57.9 74.5 77.2 77.9 39.3 19.5 215.5 SKEW .4 1.4 .4 -.1 -.2 .3 -.2 .4 .1 KURTOSIS 1.7 3.9 2.3 2.1 3.4 2.1 2.6 1.6 2.3 GAMMA 2.355 .814 1.853 11.003 25.935 22.843 16.761 1.408 38.685 BETA 1.880 26.946 48.473 23.048 15.458 15.830 9.895 18.715 34.050 PROB OF ZERO .65 .20 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 6 110 241 209 86 1 875 05 0 0 14 142 281 247 105 3 989 10 0 0 22 162 304 269 116 5 1054 20 0 0 35 188 333 297 131 8 1136 25 0 0 41 199 345 308 137 10 1169 30 0 2 48 209 356 318 142 12 1198 40 0 5 60 227 376 338 153 16 1253 50 0 9 74 246 396 356 163 20 1306 60 0 14 90 265 416 376 173 26 1360 70 2 21 109 287 438 397 184 32 1419 75 3 25 121 300 450 409 191 36 1453 80 3 30 135 315 465 423 199 41 1491 90 6 48 177 355 503 461 219 56 1594 95 7 65 217 391 537 493 237 70 1683 99 11 106 301 464 598 555 273 103 1854