condition	mean	min	max
0 h after light	15.54005	14.9643	16.1158
4 h after light	9.22696	8.90067	9.55325
8 h after light	12.2975	12.1298	12.4652
4 h after dark	18.47215	18.0053	18.939
8 h after dark	18.792650000000002	18.5592	19.0261
12 h after dark	15.253350000000001	15.1632	15.3435