condition	mean	min	max
4 h after light	5.49765	4.1883	6.807
8 h after light	4.3770050000000005	3.83949	4.91452
12 h after light	7.07888	6.85963	7.29813
4 h after dark	4.932035	4.11824	5.74583
8 h after dark	6.5145	6.0183	7.0107
12 h after dark	6.19763	5.863	6.53226