condition	mean	min	max
4 h after light	39.494392	31.733717	47.255067
8 h after light	27.199927000000002	18.774494	35.62536
12 h after light	17.757629	15.036727	20.478531
4 h after dark	16.395806	16.382757	16.408855
8 h after dark	16.8916945	16.382757	17.400632
12 h after dark	35.011123	35.011123	35.011123