condition mean min max 0 h after light 0.0256715 0.0 0.051343 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.02651185 0.0 0.0530237 12 h after light 0.0 0.0 0.0 2 h after dark 0.0528585 0.0 0.105717 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0