condition	mean	min	max
4 h after light	2907.5	2907.5	2907.5
8 h after light	3585.15	3250.5	3919.8
12 h after light	3280.4	2923.0	3637.8
4 h after dark	3419.9	3276.8	3563.0
8 h after dark	3310.3	2998.4	3622.2
12 h after dark	2637.05	2503.1	2771.0