condition	mean	min	max
4 h after light	4.20248	4.17661	4.21664
8 h after light	4.175576666666666	4.06997	4.34629
12 h after light	4.1536599999999995	3.9843699999999997	4.437119999999999
4 h after dark	4.043046666666666	4.01806	4.056019999999999
8 h after dark	4.25591	4.0138	4.65616
12 h after dark	4.04563	3.99822	4.095680000000001