condition	mean	min	max
4 h after light	4.435925	3.63699	5.23486
8 h after light	4.51757	4.17176	4.86338
12 h after light	5.172765	4.43877	5.90676
4 h after dark	6.156623333333333	5.9009	6.37567
8 h after dark	5.62158	5.42011	5.93892
12 h after dark	5.322783333333334	4.48935	6.94747