condition	mean	min	max
4 h after light	3.442425	3.31619	3.56866
8 h after light	2.867155	2.84543	2.88888
12 h after light	4.016115	3.9405	4.09173
4 h after dark	4.7588349999999995	4.37357	5.1441
8 h after dark	4.14236	4.0018	4.28292
12 h after dark	4.001695	3.77057	4.23282