condition	mean	min	max
4 h after light	8.674064999999999	8.24321	9.10492
8 h after light	8.932765	8.85318	9.01235
12 h after light	10.7984	10.3579	11.2389
4 h after dark	16.575766666666667	15.9097	17.3409
8 h after dark	17.150533333333332	14.472	18.8387
12 h after dark	12.8393	11.8564	14.461