condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.1562995 0.0 0.312599 8 h after light 0.394363 0.161371 0.627355 4 h after dark 0.39015900000000003 0.311389 0.468929 8 h after dark 0.391641 0.314892 0.46839 12 h after dark 0.2340235 0.158315 0.309732