condition	mean	min	max
4 h after light	13.8203635	10.837159	16.803568
8 h after light	14.6803695	12.791553	16.569186
12 h after light	17.356368000000003	17.141639	17.571097
4 h after dark	11.6951605	10.087694	13.302627
8 h after dark	13.855758	13.855758	13.855758
12 h after dark	13.719473	13.719473	13.719473