condition	mean	min	max
4 h after light	6950.7658425	6381.644889	7519.886796
8 h after light	7403.470476	7178.544996	7628.395956
12 h after light	7107.21014	6876.232057	7338.188223
4 h after dark	7564.936854	7485.466504	7644.407204
8 h after dark	8030.333983500001	8024.412832	8036.255135
12 h after dark	6489.436118	6489.436118	6489.436118