condition mean min max 4 h after light 5.436034333333334 4.739014 6.255737 8 h after light 3.192450333333333 2.4427659999999998 4.523871 12 h after light 6.5701963333333335 5.503668 8.577292 16 h after light 8.386827666666667 3.5578230000000004 11.092310000000001 4 h after dark 11.529119999999999 10.200339999999999 13.41275 8 h after dark 9.295755999999999 7.651567999999999 10.17526