condition mean min max 0 h after light 1.33178 1.33059 1.33297 4 h after light 1.661805 1.35577 1.96784 8 h after light 2.6708749999999997 2.63283 2.70892 4 h after dark 2.6200799999999997 1.96022 3.27994 8 h after dark 1.31599 1.31047 1.32151 12 h after dark 0.324965 0.0 0.64993