condition	mean	min	max
4 h after light	12.40091	5.99083	17.6278
8 h after light	10.974910000000001	2.46793	19.4507
12 h after light	10.621500000000001	6.9997	14.2864
4 h after dark	17.152233333333335	13.9255	19.1016
8 h after dark	15.875433333333334	10.8702	18.4152
12 h after dark	16.97233333333333	15.8508	19.0815