condition	mean	min	max
4 h after light	1.3897750000000002	1.13315	1.6464
8 h after light	1.774975	1.57385	1.9761
12 h after light	1.72393	1.64185	1.80601
4 h after dark	1.354384	0.958698	1.75007
8 h after dark	1.99892	1.87679	2.12105
12 h after dark	2.927145	2.84962	3.00467