condition	mean	min	max
4 h after light	634.1	634.1	634.1
8 h after light	550.25	503.1	597.4
12 h after light	537.1	524.2	550.0
4 h after dark	682.3	549.5	815.1
8 h after dark	686.35	551.2	821.5
12 h after dark	684.8499999999999	622.4	747.3