condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0755495 0.0 0.12922 9 h after light 0.18600433333333333 0.0 0.38401 12 h after light 0.36180999999999996 0.0 0.627663 3 h after dark 0.5280073333333333 0.294062 0.735119 6 h after dark 0.20363766666666666 0.146495 0.254039 9 h after dark 0.11303523333333335 0.0 0.2851 12 h after dark 0.2944505 0.218405 0.370496