condition	mean	min	max
4 h after light	84.4	84.4	84.4
8 h after light	94.2	93.9	94.5
12 h after light	131.55	123.0	140.1
4 h after dark	125.85	84.0	167.7
8 h after dark	98.0	91.9	104.1
12 h after dark	78.5	73.3	83.7