condition	mean	min	max
4 h after light	6.932855999999999	6.45344	7.412272
8 h after light	7.417161999999999	7.116765	7.717559
12 h after light	7.3874949999999995	7.362718	7.412272
4 h after dark	7.645519999999999	7.457693	7.833347
8 h after dark	7.3146935	6.112273	8.517114
12 h after dark	7.312425	7.312425	7.312425