condition	mean	min	max
4 h after light	10.666830000000001	8.75276	12.5809
8 h after light	17.4055	17.0275	17.7835
12 h after light	21.36235	17.5884	25.1363
4 h after dark	26.495649999999998	23.6836	29.3077
8 h after dark	16.5993	16.2763	16.9223
12 h after dark	15.693850000000001	14.5209	16.8668