condition mean min max 0 h after light 8.332370000000001 8.08334 8.5814 2 h after light 4.025074999999999 2.4086 5.64155 4 h after light 2.5597149999999997 1.5772 3.54223 8 h after light 4.421695 3.87726 4.96613 12 h after light 3.7036300000000004 3.36722 4.04004 2 h after dark 4.496065 3.58909 5.40304 4 h after dark 5.8870000000000005 4.81489 6.95911 8 h after dark 7.530255 6.33419 8.72632 12 h after dark 7.570055 7.15639 7.98372