condition mean min max 3 h after light 1.14767 0.0 2.22494 6 h after light 0.8985173333333333 0.341652 1.25152 9 h after light 1.5669653333333333 0.909996 1.97923 12 h after light 2.4355 1.51698 4.05651 3 h after dark 9.150463333333333 7.94403 10.5185 6 h after dark 10.587720000000001 8.95656 11.739 9 h after dark 5.21464 4.59413 5.52867 12 h after dark 2.405285 2.07024 2.74033