condition	mean	min	max
4 h after light	32.441009	15.234825	49.647193
8 h after light	24.793712	22.074332	27.513092
12 h after light	19.2596715	18.917962	19.601381
4 h after dark	16.026728	13.983877	18.069579
8 h after dark	15.2699255	14.192275	16.347576
12 h after dark	18.069579	18.069579	18.069579