condition	mean	min	max
4 h after light	521.1	521.1	521.1
8 h after light	559.75	467.7	651.8
12 h after light	683.55	485.8	881.3
4 h after dark	625.35	466.5	784.2
8 h after dark	526.35	506.8	545.9
12 h after dark	435.6	394.0	477.2