condition mean min max 0 h after light 1.057192 0.747114 1.36727 4 h after light 0.369701 0.12665 0.612752 8 h after light 0.43573649999999997 0.379581 0.491892 4 h after dark 0.9167755 0.612791 1.22076 8 h after dark 0.49224850000000003 0.367252 0.617245 12 h after dark 0.8041415 0.242853 1.36543