condition	mean	min	max
4 h after light	10.177832	7.139986	12.77403
8 h after light	7.056350666666667	2.662994	10.88862
12 h after light	10.203911999999999	7.964989	14.35825
16 h after light	8.321579	4.672754	14.394210000000001
4 h after dark	19.066323333333333	16.24686	21.726570000000002
8 h after dark	12.352489333333333	9.517158	14.98223