condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01613755 0.0 0.0322751 12 h after light 0.0117673 0.0 0.0235346 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.004585866666666666 0.0 0.0137576