condition	mean	min	max
0 h after light	13.8524	13.3964	14.3084
4 h after light	7.957705000000001	7.28386	8.63155
8 h after light	8.04242	7.11915	8.96569
4 h after dark	14.021650000000001	13.5718	14.4715
8 h after dark	13.29825	13.1937	13.4028
12 h after dark	14.03255	12.8177	15.2474