condition	mean	min	max
4 h after light	28.817700000000002	27.1308	30.5046
8 h after light	13.97915	13.2176	14.7407
12 h after light	8.951834999999999	7.61987	10.2838
4 h after dark	7.04281	6.91274	7.17288
8 h after dark	11.18285	11.0981	11.2676
12 h after dark	16.7047	16.6664	16.743