condition mean min max 0 h after light 0.242503 0.242287 0.242719 4 h after light 0.736621 0.238882 1.23436 8 h after light 0.493267 0.0 0.986534 4 h after dark 0.0 0.0 0.0 8 h after dark 0.120317 0.0 0.240634 12 h after dark 0.2393265 0.236691 0.241962