condition	mean	min	max
4 h after light	2.139735	2.13398	2.14549
8 h after light	4.104245	4.01329	4.1952
12 h after light	4.343325	4.18233	4.50432
4 h after dark	3.763975	3.3449	4.18305
8 h after dark	2.542715	2.20001	2.88542
12 h after dark	2.26411	1.74812	2.7801