condition	mean	min	max
4 h after light	6.1753350000000005	5.60971	6.74096
8 h after light	6.28859	4.58315	7.99403
12 h after light	4.485735	4.08383	4.88764
4 h after dark	4.6651766666666665	4.24564	5.10082
8 h after dark	3.6765933333333334	3.35803	4.24412
12 h after dark	4.776363333333333	4.34679	5.08848