condition mean min max 0 h after light 28.967750000000002 21.5239 36.4116 2 h after light 21.26145 19.5086 23.0143 4 h after light 19.419649999999997 18.7456 20.0937 8 h after light 41.71625 33.8719 49.5606 12 h after light 47.660650000000004 47.3528 47.9685 2 h after dark 49.41705 48.1846 50.6495 4 h after dark 40.5489 35.7829 45.3149 8 h after dark 61.266600000000004 53.3635 69.1697 12 h after dark 33.772549999999995 32.8223 34.7228