condition	mean	min	max
4 h after light	613.7	613.7	613.7
8 h after light	596.95	576.5	617.4
12 h after light	498.65	471.4	525.9
4 h after dark	740.65	568.0	913.3
8 h after dark	614.7	574.6	654.8
12 h after dark	597.15	484.8	709.5