condition	mean	min	max
4 h after light	4.80952	4.63501	4.95791
8 h after light	4.629286666666667	4.53929	4.68219
12 h after light	4.67511	4.63535	4.72807
4 h after dark	4.74477	4.6550400000000005	4.79014
8 h after dark	4.692773333333333	4.51863	4.7839
12 h after dark	4.66183	4.6113	4.75542