condition	mean	min	max
4 h after light	4.38557	4.24606	4.570530000000001
8 h after light	4.360703333333333	4.3160099999999995	4.403919999999999
12 h after light	4.380836666666666	4.23416	4.64304
4 h after dark	4.3923033333333334	4.29199	4.528580000000001
8 h after dark	4.48123	4.30755	4.790369999999999
12 h after dark	4.3711	4.306109999999999	4.49539