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 0.136511 0.127787 0.145235 2 h after dark 0.071208 0.0 0.142416 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0690035 0.0 0.138007 12 h after dark 0.0653085 0.0 0.130617