condition	mean	min	max
0 h after light	19.39645	19.2617	19.5312
4 h after light	10.66505	10.5483	10.7818
8 h after light	10.77385	10.5503	10.9974
4 h after dark	13.73135	13.6696	13.7931
8 h after dark	15.81085	15.7512	15.8705
12 h after dark	15.45635	14.0281	16.8846