condition	mean	min	max
4 h after light	3.8840533333333336	3.754835	4.062865
8 h after light	2.715645	1.708791	3.255818
12 h after light	1.8862299999999999	1.6301780000000001	2.050864
16 h after light	3.7104909999999998	3.156325	4.355528
4 h after dark	3.5605506666666664	3.047979	4.018103
8 h after dark	1.9802423333333334	1.673818	2.1695450000000003