condition	mean	min	max
4 h after light	261.7	261.7	261.7
8 h after light	248.7	233.4	264.0
12 h after light	311.15	303.5	318.8
4 h after dark	279.3	245.3	313.3
8 h after dark	263.65	257.8	269.5
12 h after dark	231.14999999999998	226.2	236.1