condition mean min max 0 h after light 4.5637550000000005 4.43416 4.69335 2 h after light 2.0375199999999998 1.98625 2.08879 4 h after light 1.575555 1.5408 1.61031 8 h after light 1.9536799999999999 1.8597 2.04766 12 h after light 3.25949 2.73702 3.78196 2 h after dark 3.713195 3.64997 3.77642 4 h after dark 4.006705 3.77827 4.23514 8 h after dark 6.75015 6.11616 7.38414 12 h after dark 6.44625 6.37288 6.51962