condition mean min max 4 h after light 0.01985265 0.0 0.0397053 8 h after light 0.08071060000000001 0.0321692 0.129252 12 h after light 0.0521145 0.0 0.104229 4 h after dark 0.06892885 0.0348367 0.103021 8 h after dark 0.051172 0.0 0.102344 12 h after dark 0.04814845 0.0285286 0.0677683