condition	mean	min	max
4 h after light	3176.9	3176.9	3176.9
8 h after light	2250.45	2002.1	2498.8
12 h after light	1876.95	1698.6	2055.3
4 h after dark	2561.15	2331.5	2790.8
8 h after dark	2505.45	2115.5	2895.4
12 h after dark	2565.85	2033.8	3097.9