condition	mean	min	max
4 h after light	16.453049999999998	15.7502	17.1559
8 h after light	11.0894	10.5222	11.6566
12 h after light	12.8408	11.5817	14.0999
4 h after dark	19.11815	16.881	21.3553
8 h after dark	19.6481	19.5966	19.6996
12 h after dark	22.23985	21.082	23.3977