condition mean min max 3 h after light 61.20576666666667 50.994 70.0712 6 h after light 63.89256666666667 53.6814 79.1083 9 h after light 74.29993333333333 71.3473 78.3523 12 h after light 83.82695 74.4021 100.561 3 h after dark 98.6691 79.5953 112.273 6 h after dark 98.8807 98.1315 99.3429 9 h after dark 81.54129999999999 76.4348 86.6745 12 h after dark 65.95385 60.9225 70.9852