condition	mean	min	max
4 h after light	10.9521	10.0276	11.8766
8 h after light	7.64418	6.98739	8.30097
12 h after light	7.061055	6.62944	7.49267
4 h after dark	8.847433333333333	8.23893	9.67557
8 h after dark	10.18663	9.50219	10.9813
12 h after dark	10.70385	8.77735	12.6581