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 55 SEASON MAR APR MAY JUN JUL AUG SEP OCT SEASON 1981 0 0 16 113 360 366 102 0 957 1982 0 0 20 79 356 227 112 20 814 1983 0 0 2 197 500 472 193 27 1391 1984 0 0 1 164 313 424 101 6 1009 1985 0 1 24 98 298 347 184 2 954 1986 0 0 63 107 348 281 69 1 869 1987 0 3 61 270 448 398 171 1 1352 1988 0 0 83 264 428 388 96 3 1262 1989 0 0 35 131 436 319 161 15 1097 1990 0 34 13 151 354 346 147 3 1048 1991 0 0 90 303 379 418 148 6 1344 1992 0 0 33 111 172 239 92 10 657 1993 0 0 12 106 365 428 75 0 986 1994 0 0 24 219 317 247 173 19 999 1995 0 0 14 279 360 451 117 35 1256 1996 0 0 6 136 242 365 202 7 958 1997 0 0 3 210 372 292 131 43 1051 1998 0 1 93 240 428 449 231 17 1459 1999 0 0 69 287 485 361 224 0 1426 2000 0 0 30 186 350 360 188 36 1150 NON-ZERO 0 4 20 20 20 20 20 17 20 ZEROES 20 16 0 0 0 0 0 3 0 PROB OF ZERO 1.00 .80 .00 .00 .00 .00 .00 .15 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER SEASON 20 20 20 20 20 20 20 20 20 MEAN .0 9.8 34.6 182.6 365.5 358.9 145.9 14.8 1101.9 VARIANCE .0 262.3 933.0 5271.8 6072.3 5321.4 2421.8 182.1 48726.8 STND DEV .0 16.2 30.5 72.6 77.9 72.9 49.2 13.5 220.7 SKEW .0 1.1 .7 .2 -.5 -.3 .1 .8 .0 KURTOSIS .0 2.3 2.2 1.6 3.5 2.1 1.8 2.4 2.2 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 55 STATISTICS PARAMETER MAR APR MAY JUN JUL AUG SEP OCT SEASON NUMBER SEASON 20 20 20 20 20 20 20 20 20 MEAN .0 9.8 34.6 182.6 365.5 358.9 145.9 14.8 1101.9 VARIANCE .0 262.3 933.0 5271.8 6072.3 5321.4 2421.8 182.1 48726.8 STND DEV .0 16.2 30.5 72.6 77.9 72.9 49.2 13.5 220.7 SKEW .0 1.1 .7 .2 -.5 -.3 .1 .8 .0 KURTOSIS .0 2.3 2.2 1.6 3.5 2.1 1.8 2.4 2.2 GAMMA .000 999.000 1.037 6.400 19.885 23.463 8.656 1.043 25.258 BETA .000 999.000 33.362 28.525 18.383 15.297 16.849 14.160 43.627 PROB OF ZERO 1.00 .80 .00 .00 .00 .00 .00 .15 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 0 0 0 57 202 209 56 0 657 05 0 0 2 82 242 246 75 0 768 10 0 0 4 98 265 268 87 0 832 20 0 0 8 121 295 296 103 1 914 25 0 0 10 130 307 307 110 2 947 30 0 0 13 139 318 317 116 3 977 40 0 0 18 156 339 336 128 5 1033 50 0 0 24 173 359 354 140 8 1087 60 0 0 32 191 380 373 153 11 1143 70 0 0 42 212 403 394 167 15 1206 75 0 0 48 225 417 406 175 18 1241 80 0 0 56 239 432 419 185 21 1281 90 0 1 79 279 473 456 212 31 1391 95 0 3 102 315 508 489 236 41 1486 99 0 28 156 390 576 553 284 64 1675