condition	mean	min	max
4 h after light	4.239535	3.80873	4.67034
8 h after light	4.101515	3.93617	4.26686
12 h after light	5.08417	4.67047	5.49787
4 h after dark	5.53001	5.03193	5.96595
8 h after dark	6.2989733333333335	5.32395	7.34462
12 h after dark	4.5456666666666665	3.97009	5.62758