condition	mean	min	max
4 h after light	6.319546666666667	6.15977	6.4128
8 h after light	6.74243	6.50659	6.872260000000001
12 h after light	7.0377	6.917999999999999	7.20403
4 h after dark	6.6467133333333335	6.51405	6.834169999999999
8 h after dark	6.52972	6.34675	6.70493
12 h after dark	6.3137	6.071359999999999	6.59