condition mean min max 4 h after light 0.8193145 0.480219 1.15841 8 h after light 0.8132305 0.744802 0.881659 12 h after light 0.8237095000000001 0.314909 1.33251 4 h after dark 0.5147233333333333 0.284838 0.71314 8 h after dark 0.7942573333333334 0.697032 0.852093 12 h after dark 1.198041 0.677913 1.76249