condition	mean	min	max
4 h after light	12.1113	10.1462	14.0764
8 h after light	7.34613	6.89127	7.80099
12 h after light	11.988814999999999	9.70373	14.2739
4 h after dark	13.930499999999999	9.7144	17.0036
8 h after dark	13.580433333333334	11.7664	17.2073
12 h after dark	12.080133333333333	8.7339	14.9879