condition	mean	min	max
4 h after light	8522.7	8522.7	8522.7
8 h after light	7860.65	7821.0	7900.3
12 h after light	7676.15	7614.3	7738.0
4 h after dark	9712.55	6916.8	12508.3
8 h after dark	10829.150000000001	10349.1	11309.2
12 h after dark	10402.099999999999	10214.8	10589.4