condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.047043 0.0 0.141129 9 h after light 0.052965333333333336 0.0 0.158896 12 h after light 0.1334415 0.0 0.399148 3 h after dark 0.055003666666666666 0.0 0.165011 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.127242 0.0 0.254484