condition	mean	min	max
4 h after light	21.66994	19.730592	23.609288
8 h after light	20.6385345	17.39637	23.880699
12 h after light	15.5225155	14.960053	16.084978
4 h after dark	15.3336515	13.270933	17.39637
8 h after dark	16.520808000000002	15.645246	17.39637
12 h after dark	17.122277	17.122277	17.122277