condition	mean	min	max
4 h after light	12.407150000000001	10.057	14.7573
8 h after light	13.3676	12.611	14.1242
12 h after light	16.0519	15.1479	16.9559
4 h after dark	19.47735	18.7813	20.1734
8 h after dark	16.2036	15.8729	16.5343
12 h after dark	18.9762	18.6236	19.3288