condition	mean	min	max
4 h after light	13.520827333333335	7.7448820000000005	22.788520000000002
8 h after light	19.305876666666666	18.8343	20.03719
12 h after light	11.536273333333334	10.618960000000001	12.65923
16 h after light	15.842170000000001	14.55039	17.402910000000002
4 h after dark	17.527316666666668	14.68356	21.19728
8 h after dark	12.462518	7.369451	20.40278