condition	mean	min	max
4 h after light	578.5	578.5	578.5
8 h after light	617.2	606.5	627.9
12 h after light	791.95	788.4	795.5
4 h after dark	701.95	521.0	882.9
8 h after dark	623.7	606.0	641.4
12 h after dark	578.6	482.2	675.0