condition	mean	min	max
4 h after light	9.223163333333334	9.01121	9.351360000000001
8 h after light	9.078063333333333	8.69519	9.279739999999999
12 h after light	9.16633	9.035960000000001	9.29043
4 h after dark	9.501353333333332	9.12451	9.89326
8 h after dark	9.656913333333334	9.46739	9.81104
12 h after dark	9.4339	9.35575	9.47606