condition mean min max 4 h after light 0.6474955 0.567316 0.727675 8 h after light 0.6542355 0.631674 0.676797 12 h after light 0.21412124999999999 0.0682215 0.360021 4 h after dark 0.7019805 0.674305 0.729656 8 h after dark 0.505084 0.401925 0.608243 12 h after dark 0.5976 0.485495 0.709705