condition	mean	min	max
4 h after light	16.24555	15.9838	16.5073
8 h after light	11.8788	10.3072	13.4504
12 h after light	10.091484999999999	8.56297	11.62
4 h after dark	20.17755	19.7486	20.6065
8 h after dark	19.3538	19.3386	19.369
12 h after dark	22.817050000000002	20.3214	25.3127