condition	mean	min	max
4 h after light	7.629811999999999	6.884063	8.375561
8 h after light	9.071340500000002	8.880373	9.262308
12 h after light	9.002591500000001	8.6363	9.368883
4 h after dark	8.795158	7.642692	9.947624
8 h after dark	8.6182315	8.250177	8.986286
12 h after dark	7.863882	7.863882	7.863882