condition mean min max 0 h after light 1.4012889999999998 0.699708 2.10287 4 h after light 1.057887 0.689874 1.4259 8 h after light 1.3945100000000001 0.71226 2.07676 4 h after dark 2.413356 0.687202 4.13951 8 h after dark 3.45724 2.77973 4.13475 12 h after dark 1.382315 1.36709 1.39754