condition mean min max 0 h after light 7.601045 7.33315 7.86894 2 h after light 16.2104 15.2482 17.1726 4 h after light 7.7648150000000005 7.13957 8.39006 8 h after light 3.0017250000000004 2.95956 3.04389 12 h after light 3.2807399999999998 3.19706 3.36442 2 h after dark 2.5598 2.42752 2.69208 4 h after dark 1.791505 1.65438 1.92863 8 h after dark 3.71644 3.31515 4.11773 12 h after dark 6.0229 5.95476 6.09104