condition mean min max 0 h after light 1.297885 1.02513 1.57064 4 h after light 1.5489000000000002 1.07018 2.02762 8 h after light 0.6981515 0.536934 0.859369 4 h after dark 1.097865 1.06603 1.1297 8 h after dark 1.51994 1.31758 1.7223 12 h after dark 1.574865 1.26464 1.88509