condition mean min max 0 h after light 0.816646 0.815918 0.817374 4 h after light 0.9053454999999999 0.83136 0.979331 8 h after light 0.768274 0.561548 0.975 4 h after dark 0.6459980000000001 0.557451 0.734545 8 h after dark 0.7370875 0.663825 0.81035 12 h after dark 0.8236615 0.797074 0.850249