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 0.01558935 0.0 0.0311787 2 h after dark 0.017374 0.0 0.034748 4 h after dark 0.0917679 0.0596738 0.123862 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0