condition	mean	min	max
4 h after light	57.935	52.6783	63.1917
8 h after light	27.983249999999998	27.8326	28.1339
12 h after light	18.594050000000003	17.6339	19.5542
4 h after dark	14.0542	13.4803	14.4492
8 h after dark	21.0301	19.8552	23.15
12 h after dark	43.45693333333333	42.6945	44.7778