condition	mean	min	max
4 h after light	657.0	657.0	657.0
8 h after light	568.9000000000001	495.1	642.7
12 h after light	579.95	577.8	582.1
4 h after dark	505.4	453.9	556.9
8 h after dark	516.75	393.0	640.5
12 h after dark	508.65000000000003	496.1	521.2