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 0.0273382 0.0 0.0546764 8 h after light 0.057605 0.0 0.11521 12 h after light 0.03183555 0.0 0.0636711 2 h after dark 0.0 0.0 0.0 4 h after dark 0.02680545 0.0 0.0536109 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0