condition mean min max 0 h after light 0.836866 0.734977 0.938755 2 h after light 1.835165 1.53301 2.13732 4 h after light 2.1086799999999997 2.04953 2.16783 8 h after light 1.3856199999999999 1.31701 1.45423 12 h after light 1.7767300000000001 1.75349 1.79997 2 h after dark 2.11276 1.93292 2.2926 4 h after dark 2.333125 2.00047 2.66578 8 h after dark 1.787875 1.63182 1.94393 12 h after dark 0.8488640000000001 0.832304 0.865424