condition	mean	min	max
4 h after light	18.160030499999998	16.251413	20.068648
8 h after light	14.7976125	14.652163	14.943062
12 h after light	21.890085	18.556413	25.223757
4 h after dark	19.237256000000002	18.831957	19.642555
8 h after dark	21.8911995	19.86288	23.919519
12 h after dark	25.766929	25.766929	25.766929