condition	mean	min	max
4 h after light	3091.8	3091.8	3091.8
8 h after light	3147.95	2643.4	3652.5
12 h after light	3027.45	2871.0	3183.9
4 h after dark	3001.05	2689.9	3312.2
8 h after dark	3193.0	2527.0	3859.0
12 h after dark	2964.0	2486.8	3441.2