condition mean min max 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 4 h after dark 0.055912666666666666 0.0 0.167738 8 h after dark 0.08384000000000001 0.0 0.25152 12 h after dark 0.0 0.0 0.0