condition	mean	min	max
0 h after light	7.2434650000000005	7.10905	7.37788
4 h after light	8.975999999999999	8.795	9.157
8 h after light	13.48515	13.4654	13.5049
4 h after dark	14.987100000000002	13.8361	16.1381
8 h after dark	11.27235	10.5007	12.044
12 h after dark	8.080354999999999	7.54658	8.61413