condition mean min max 0 h after light 6.9017599999999995 4.37783 9.42569 2 h after light 0.0 0.0 0.0 4 h after light 2.14564 0.0 4.29128 8 h after light 4.521135 0.0 9.04227 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 4.748545 0.0 9.49709 12 h after dark 9.167349999999999 8.98851 9.34619