condition	mean	min	max
4 h after light	639.5	639.5	639.5
8 h after light	520.7	488.8	552.6
12 h after light	588.0	486.8	689.2
4 h after dark	551.1500000000001	524.1	578.2
8 h after dark	697.6	690.7	704.5
12 h after dark	496.54999999999995	496.4	496.7