condition	mean	min	max
4 h after light	7.5865355	7.055587	8.117484
8 h after light	8.038198999999999	6.83395	9.242448
12 h after light	7.675967	7.528282	7.823652
4 h after dark	8.768050500000001	8.699303	8.836798
8 h after dark	7.914269	7.868365	7.960173
12 h after dark	8.31443	8.31443	8.31443