condition	mean	min	max
4 h after light	493.0	493.0	493.0
8 h after light	481.85	452.9	510.8
12 h after light	636.2	477.3	795.1
4 h after dark	825.7	759.6	891.8
8 h after dark	701.3	651.9	750.7
12 h after dark	698.4	660.5	736.3