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 0.112083 0.0 0.224166 12 h after light 0.6863865 0.49743 0.875343 2 h after dark 0.112159 0.0 0.224318 4 h after dark 0.0523545 0.0 0.104709 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0