condition mean min max 0 h after light 6.1564049999999995 5.78749 6.52532 2 h after light 22.1509 19.2238 25.078 4 h after light 61.39665000000001 58.0397 64.7536 8 h after light 24.307650000000002 22.1611 26.4542 12 h after light 16.4927 16.3718 16.6136 2 h after dark 18.66385 17.6634 19.6643 4 h after dark 22.14235 21.1788 23.1059 8 h after dark 19.833550000000002 19.6829 19.9842 12 h after dark 8.666599999999999 8.29804 9.03516