condition	mean	min	max
4 h after light	1028.7	1028.7	1028.7
8 h after light	858.5	684.1	1032.9
12 h after light	531.25	516.4	546.1
4 h after dark	607.1	321.1	893.1
8 h after dark	616.3	557.5	675.1
12 h after dark	427.6	366.8	488.4