condition mean min max 3 h after light 0.02161803333333333 0.0 0.0648541 6 h after light 0.0 0.0 0.0 9 h after light 0.024335 0.0 0.073005 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.015566733333333332 0.0 0.0467002 9 h after dark 0.0839708 0.0 0.1802 12 h after dark 0.0 0.0 0.0