condition	mean	min	max
4 h after light	15.1705	15.0765	15.2645
8 h after light	19.25375	18.557	19.9505
12 h after light	27.99055	25.239	30.7421
4 h after dark	29.2407	26.7313	30.9816
8 h after dark	33.0322	29.8677	36.3796
12 h after dark	28.096433333333334	27.6079	28.8559