condition	mean	min	max
4 h after light	8390.8924705	8119.214923	8662.570018
8 h after light	7801.3353735	7298.633474	8304.037273
12 h after light	8161.5173595	8039.962554	8283.072165
4 h after dark	7917.005781	7704.636475	8129.375087
8 h after dark	5487.051336500001	4576.837051	6397.265622
12 h after dark	7802.465653	7802.465653	7802.465653