condition	mean	min	max
4 h after light	5.63985	5.20028	6.07942
8 h after light	8.00023	7.84785	8.15261
12 h after light	9.241735	9.14886	9.33461
4 h after dark	9.856195	9.19649	10.5159
8 h after dark	6.988645	6.79944	7.17785
12 h after dark	7.19055	6.17207	8.20903