condition	mean	min	max
4 h after light	10.78993	8.84806	12.7318
8 h after light	8.10872	7.45734	8.7601
12 h after light	8.536765	8.09612	8.97741
4 h after dark	12.5835	11.6804	13.3839
8 h after dark	14.4526	12.9364	15.236
12 h after dark	11.8946	10.9862	12.5401