condition	mean	min	max
4 h after light	22.1426	19.646	24.6392
8 h after light	17.209600000000002	16.7544	17.6648
12 h after light	11.43475	11.3196	11.5499
4 h after dark	14.9481	14.8408	15.0554
8 h after dark	22.51185	19.2797	25.744
12 h after dark	18.891	16.7551	21.0269