condition	mean	min	max
4 h after light	93.5	93.5	93.5
8 h after light	67.95	57.1	78.8
12 h after light	101.85	78.5	125.2
4 h after dark	82.35	54.7	110.0
8 h after dark	19.5	9.7	29.3
12 h after dark	21.0	16.3	25.7