condition	mean	min	max
4 h after light	61.34255	58.8241	63.861
8 h after light	60.70025	59.8852	61.5153
12 h after light	58.0435	57.7982	58.2888
4 h after dark	41.11775	37.7281	44.5074
8 h after dark	48.932	48.27	49.594
12 h after dark	56.5679	55.911	57.2248