condition	mean	min	max
4 h after light	24.1079	22.1469	26.0689
8 h after light	11.53935	11.3527	11.726
12 h after light	7.877879999999999	6.17954	9.57622
4 h after dark	15.3782	15.2227	15.5337
8 h after dark	20.69825	19.1771	22.2194
12 h after dark	22.295650000000002	21.7261	22.8652