condition mean min max 3 h after light 12.3632 10.6151 13.2377 6 h after light 21.921333333333333 21.683 22.1651 9 h after light 19.097666666666665 15.2709 22.0721 12 h after light 33.680225 15.3188 85.942 3 h after dark 66.84636666666667 62.1531 73.0606 6 h after dark 43.688 42.5096 45.6382 9 h after dark 33.6665 30.3405 36.123 12 h after dark 96.95715 96.3785 97.5358