condition	mean	min	max
4 h after light	7.255357	7.098602	7.412112
8 h after light	7.47123	7.412112	7.530348
12 h after light	8.659417	8.186466	9.132368
4 h after dark	8.357714999999999	8.07913	8.6363
8 h after dark	8.710954000000001	8.20788	9.214028
12 h after dark	7.26642	7.26642	7.26642