condition	mean	min	max
4 h after light	5.83477	5.75651	5.89145
8 h after light	5.940236666666666	5.84123	6.099469999999999
12 h after light	5.899873333333333	5.7915	5.958019999999999
4 h after dark	6.04722	5.75004	6.25509
8 h after dark	6.030516666666667	5.74239	6.26611
12 h after dark	6.11875	5.947019999999999	6.3124