condition	mean	min	max
4 h after light	621.0	621.0	621.0
8 h after light	680.75	562.7	798.8
12 h after light	678.1	672.5	683.7
4 h after dark	707.8	556.2	859.4
8 h after dark	804.95	748.4	861.5
12 h after dark	649.15	642.3	656.0