condition	mean	min	max
4 h after light	592.3	592.3	592.3
8 h after light	578.5	525.2	631.8
12 h after light	536.9	506.7	567.1
4 h after dark	552.2	515.9	588.5
8 h after dark	652.7	612.4	693.0
12 h after dark	649.3499999999999	623.3	675.4