condition	mean	min	max
4 h after light	13.7908	12.6466	14.935
8 h after light	11.13725	10.9962	11.2783
12 h after light	16.0475	15.9331	16.1619
4 h after dark	21.360266666666668	17.7188	23.5033
8 h after dark	21.608633333333334	19.8068	23.0232
12 h after dark	17.5668	16.5206	18.6833