SAINT IGNACE DIVISION: 2 STATION #7274 DATE OF RUN COUNTY: MACKINAC PERIOD ANALYSIS FOR 1981 -2000 ( 20 YEARS) 11/10/04 HEATING DEGREE-DAYS (65 F) YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL 1981 1557 1204 1056 760 491 198 48 15 286 685 836 1192 8328 1982 1650 1379 1245 933 402 261 35 129 257 464 837 1067 8659 1983 1333 1126 1085 796 608 178 22 7 210 577 829 1431 8202 1984 1658 1115 1284 677 528 138 47 16 269 469 857 1154 8212 1985 1478 1373 1128 799 403 230 66 40 170 533 905 1400 8525 1986 1442 1286 1144 668 358 215 60 77 280 558 928 1091 8107 1987 1221 1168 1042 612 379 73 32 27 153 676 853 1096 7332 1988 1445 1454 1186 761 332 64 20 69 243 668 818 1301 8361 1989 1265 1392 1358 858 435 207 16 69 190 566 1012 1583 8951 1990 1204 1270 1146 714 502 171 32 29 226 592 788 1192 7866 1991 1453 1165 1111 700 362 53 30 21 291 573 923 1211 7893 1992 1308 1278 1234 853 436 220 153 108 261 606 938 1148 8543 1993 1349 1372 1174 839 515 236 22 21 298 644 918 1199 8587 1994 1812 1503 1198 828 456 135 51 95 156 451 777 1005 8467 1995 1276 1351 1080 863 455 87 44 10 264 499 1032 1356 8317 1996 1521 1436 1310 922 540 191 77 24 168 548 990 1198 8925 1997 1509 1263 1237 813 604 109 39 58 198 541 902 1087 8360 1998 1340 971 1098 641 244 152 4 4 113 448 767 1058 6840 1999 1436 1076 1088 632 328 89 8 24 137 561 693 1119 7191 2000 1413 1163 913 712 388 131 50 23 187 436 796 1431 7643 NON-ZERO 20 20 20 20 20 20 20 20 20 20 20 20 20 ZEROES 0 0 0 0 0 0 0 0 0 0 0 0 0 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 NOTE: STATISTICS ARE COMPUTED ON THE NON-ZERO VALUES NUMBER YEARS 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 1433.5 1267.3 1155.8 769.0 438.3 156.9 42.8 43.3 217.9 554.8 870.0 1215.9 8165.5 VARIANCE 24468.1 19962.6 10966.3 9247.9 8951.0 3978.3 1031.9 1317.2 3244.2 5954.8 7685.9 23465.2 313069.2 STND DEV 156.4 141.3 104.7 96.2 94.6 63.1 32.1 36.3 57.0 77.2 87.7 153.2 559.5 SKEW .6 -.2 -.1 -.0 .1 -.1 2.0 1.0 -.2 .1 .1 .8 -.8 KURTOSIS 3.0 2.2 3.0 1.9 2.5 1.8 8.0 2.8 1.8 2.1 2.4 2.8 3.1 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 YEARS) 11/10/04 HEATING DEGREE-DAYS (65 F) STATISTICS PARAMETER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL NUMBER YEARS 20 20 20 20 20 20 20 20 20 20 20 20 20 MEAN 1433.5 1267.3 1155.8 769.0 438.3 156.9 42.8 43.3 217.9 554.8 870.0 1215.9 8165.5 VARIANCE 24468.1 19962.6 10966.3 9247.9 8951.0 3978.3 1031.9 1317.2 3244.2 5954.8 7685.9 23465.2 313069.2 STND DEV 156.4 141.3 104.7 96.2 94.6 63.1 32.1 36.3 57.0 77.2 87.7 153.2 559.5 SKEW .6 -.2 -.1 -.0 .1 -.1 2.0 1.0 -.2 .1 .1 .8 -.8 KURTOSIS 3.0 2.2 3.0 1.9 2.5 1.8 8.0 2.8 1.8 2.1 2.4 2.8 3.1 GAMMA 91.196 82.294 126.048 66.447 21.568 5.459 2.094 1.506 14.128 54.001 103.114 69.928 214.636 BETA 15.719 15.399 999.000 11.574 20.322 28.740 20.438 28.747 15.420 10.273 999.000 17.389 999.000 PROB OF ZERO .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 LEVELS PROBABILITY PERCENTILE VALUES 01 1108 965 912 567 249 43 3 2 106 394 666 903 6864 05 1196 1047 984 621 295 65 8 5 132 437 726 987 7245 10 1245 1092 1022 651 323 79 12 8 148 460 758 1034 7448 20 1306 1148 1068 689 358 99 18 15 168 490 796 1092 7695 25 1330 1170 1085 703 371 108 21 18 176 502 811 1115 7788 30 1351 1190 1101 717 384 116 24 21 184 513 824 1135 7872 40 1391 1227 1129 742 408 132 30 27 199 532 848 1173 8024 50 1428 1262 1156 765 432 147 36 34 213 551 870 1210 8165 60 1467 1298 1182 789 456 164 43 43 228 571 892 1247 8307 70 1508 1337 1211 816 482 184 52 53 244 592 916 1287 8459 75 1532 1358 1226 830 498 196 57 59 254 604 929 1310 8543 80 1558 1383 1244 847 515 209 64 67 265 617 944 1335 8636 90 1629 1449 1290 892 563 247 82 90 295 653 982 1404 8883 95 1689 1505 1328 930 604 281 100 113 321 684 1014 1461 9086 99 1806 1615 1399 1005 686 353 139 163 375 745 1074 1567 9467