condition	mean	min	max
4 h after light	7696.0	7696.0	7696.0
8 h after light	8172.25	7992.1	8352.4
12 h after light	7907.15	7610.4	8203.9
4 h after dark	9541.7	9153.6	9929.8
8 h after dark	9454.7	9364.8	9544.6
12 h after dark	9216.349999999999	8616.9	9815.8