condition	mean	min	max
4 h after light	13.442499999999999	11.2254	15.6596
8 h after light	14.11035	13.8452	14.3755
12 h after light	15.8583	15.2786	16.438
4 h after dark	17.58025	17.2396	17.9209
8 h after dark	18.50305	18.0775	18.9286
12 h after dark	18.4339	18.3434	18.5244