condition	mean	min	max
4 h after light	12.754000000000001	11.7832	13.7248
8 h after light	5.66458	5.50671	5.82245
12 h after light	4.796685	3.933	5.66037
4 h after dark	8.840545	8.05572	9.62537
8 h after dark	10.95165	10.7403	11.163
12 h after dark	11.9337	11.7871	12.0803