condition	mean	min	max
4 h after light	7.242015	7.14742	7.33661
8 h after light	13.05265	12.7889	13.3164
12 h after light	11.100629999999999	9.04596	13.1553
4 h after dark	19.7714	17.7115	21.8313
8 h after dark	7.73939	7.22681	8.25197
12 h after dark	7.70983	7.30488	8.11478