condition	mean	min	max
4 h after light	770.9	770.9	770.9
8 h after light	790.0	764.9	815.1
12 h after light	799.45	791.5	807.4
4 h after dark	835.3	827.9	842.7
8 h after dark	710.95	694.7	727.2
12 h after dark	656.8	651.9	661.7