condition	mean	min	max
4 h after light	18.72445	17.1508	20.2981
8 h after light	18.1673	17.492	18.8426
12 h after light	15.349250000000001	15.2361	15.4624
4 h after dark	28.3339	27.3837	29.2719
8 h after dark	21.315	18.6824	23.8694
12 h after dark	24.337733333333333	23.8797	25.2248