condition	mean	min	max
4 h after light	14.35375	12.5644	16.1431
8 h after light	17.008450000000003	16.1655	17.8514
12 h after light	18.2727	17.1809	19.3645
4 h after dark	29.631433333333334	28.246	30.6229
8 h after dark	26.728266666666666	26.1127	27.6016
12 h after dark	19.9095	16.1793	22.5645