Great Lakes Average Ice Concentration ------------------------------------------------ Ice Concentration (%) Year Day Sup. Mich. Huron Erie Ont. ------------------------------------------------ 2008 344 2.1016 2.1189 5.5758 0.4153 0.2369 2008 346 2.0754 2.2887 6.2400 0.6306 0.2681 2008 350 3.6487 4.2380 8.6420 7.7557 1.0505 2008 353 4.9427 7.6564 10.3950 6.9349 1.4008 2008 357 5.3445 15.5048 18.1309 13.4337 3.0556 2008 360 7.5134 18.1819 16.5172 16.5731 2.6336 2008 364 4.2577 9.2865 11.4384 9.6791 1.6524 2009 01 6.1325 13.5173 15.7625 9.5686 2.8457 2009 05 7.1823 18.1799 23.0221 26.2124 7.4050 2009 08 9.0882 21.3332 24.8679 29.2097 6.9357 2009 12 12.4277 19.9117 33.1189 61.2573 15.8430 2009 15 24.3724 26.4942 53.1722 86.3107 25.4169 2009 19 34.3653 34.4461 55.0907 91.9927 24.7544 2009 22 30.0140 31.6873 47.9706 84.6992 26.7158 2009 26 52.0621 38.0886 59.6530 89.5808 21.2567 2009 29 60.7087 53.3735 57.6139 95.0108 22.8526 2009 33 49.3353 29.4809 49.9250 87.5454 14.4229 2009 36 71.6501 43.8873 73.8906 95.5484 29.2016 2009 40 62.6533 28.5045 46.7323 84.9792 13.7567 2009 43 57.7079 18.1394 47.3987 76.5663 12.9477 2009 47 77.4469 28.7913 57.2879 72.8483 16.3489 2009 50 71.8436 23.9287 55.3839 63.0748 13.8646 2009 54 75.8501 33.3138 63.8230 80.7842 10.6598 2009 57 79.1957 26.4785 66.5272 81.9690 16.9004 2009 61 93.6469 43.4567 85.3428 94.9487 12.6524 2009 64 88.5266 32.9406 79.4695 88.9121 13.1956 2009 69 83.4830 23.1711 62.3467 57.9402 9.8600 2009 71 81.0915 19.8956 60.1203 41.3642 6.8747 2009 76 63.2629 15.1349 50.8520 42.8157 6.9233 2009 78 53.8641 15.1097 37.0417 27.8645 4.7805 2009 83 55.3155 13.8008 29.4473 22.0490 3.2603 2009 85 35.3635 11.1983 27.7777 20.4587 3.1956 2009 90 36.0606 8.9800 18.1016 6.6094 2.7470 2009 91 33.7323 9.4819 14.7064 6.2569 2.6488 2009 92 23.5201 6.8545 14.0368 3.0669 2.4949 2009 97 16.5623 3.8029 11.9796 1.0423 2.0560 2009 99 11.7390 3.1974 10.9936 0.7142 1.9545 2009 104 14.1209 3.1864 10.6041 1.0373 0.8962 2009 106 11.8804 1.6910 9.8346 0.7720 0.7966 2009 111 6.6522 0.4443 7.0851 0.0000 0.0000 2009 113 5.6748 0.0000 2.0638 0.0000 0.0000 2009 117 4.1087 0.0000 0.6054 0.0000 0.0000