condition mean min max 4 h after light 4.202395 3.28868 5.11611 8 h after light 5.237439999999999 4.82438 5.6505 12 h after light 7.304015 7.00098 7.60705 4 h after dark 9.991363333333334 9.40998 11.0348 8 h after dark 9.75114 9.54125 10.0444 12 h after dark 6.42798 5.49365 7.25186