condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.01574855 0.0 0.0314971 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0165924 0.0 0.0331848 12 h after dark 0.0 0.0 0.0