condition	mean	min	max
4 h after light	3868.6	3868.6	3868.6
8 h after light	3645.8	3496.5	3795.1
12 h after light	3285.25	2983.5	3587.0
4 h after dark	3128.75	3089.6	3167.9
8 h after dark	3655.05	3299.8	4010.3
12 h after dark	3715.45	3452.5	3978.4