condition	mean	min	max
4 h after light	627.8	627.8	627.8
8 h after light	650.05	616.7	683.4
12 h after light	510.25	372.3	648.2
4 h after dark	589.55	238.6	940.5
8 h after dark	686.95	588.5	785.4
12 h after dark	507.70000000000005	387.2	628.2