condition	mean	min	max
4 h after light	14.980550000000001	11.765	18.1961
8 h after light	16.64735	16.5035	16.7912
12 h after light	21.29685	20.9539	21.6398
4 h after dark	27.472	26.9814	28.2987
8 h after dark	29.746666666666666	29.2781	30.5357
12 h after dark	21.2632	18.829	24.5247