condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.091353 0.0 0.274059 12 h after light 0.055228 0.0 0.220912 3 h after dark 0.15454233333333334 0.0 0.284619 6 h after dark 0.11513833333333333 0.0 0.203624 9 h after dark 0.034847666666666666 0.0 0.104543 12 h after dark 0.12533 0.109732 0.140928