condition	mean	min	max
4 h after light	59.1498	58.0475	60.2521
8 h after light	31.8108	30.7163	32.9053
12 h after light	12.79535	11.6822	13.9085
4 h after dark	26.217950000000002	25.7015	26.7344
8 h after dark	36.277699999999996	35.6564	36.899
12 h after dark	44.15935	42.0396	46.2791