condition	mean	min	max
4 h after light	11.797550000000001	11.3702	12.2249
8 h after light	10.96235	10.5058	11.4189
12 h after light	14.6813	14.598	14.7646
4 h after dark	18.070999999999998	17.7278	18.4142
8 h after dark	16.95635	16.769	17.1437
12 h after dark	16.04035	16.0264	16.0543