condition	mean	min	max
4 h after light	9.740921666666667	4.908807	15.57802
8 h after light	2.851698	2.413965	3.65766
12 h after light	6.6073450000000005	5.83093	7.578504
16 h after light	5.577261333333333	3.3673319999999998	9.443394
4 h after dark	19.753153333333334	12.227889999999999	29.1155
8 h after dark	6.969954333333333	5.008103	7.996061999999999