condition	mean	min	max
4 h after light	24.32085	23.2502	25.3915
8 h after light	18.1263	16.41	19.8426
12 h after light	11.264405	8.62241	13.9064
4 h after dark	12.0439	10.9539	13.9935
8 h after dark	19.013066666666667	14.6231	21.3231
12 h after dark	26.402066666666666	25.3241	27.6961