condition	mean	min	max
4 h after light	14.03895	13.9588	14.1191
8 h after light	14.5702	14.3734	14.767
12 h after light	15.38475	13.1407	17.6288
4 h after dark	15.42935	15.4059	15.4528
8 h after dark	15.960149999999999	15.5544	16.3659
12 h after dark	16.6066	16.5635	16.6497