condition	mean	min	max
4 h after light	8.98204	7.09188	10.8722
8 h after light	7.799424999999999	7.53497	8.06388
12 h after light	9.61836	9.44944	9.78728
4 h after dark	11.5664	11.3258	11.7518
8 h after dark	11.603433333333333	11.3786	11.9866
12 h after dark	9.492316666666667	9.375	9.58179