condition mean min max 1 h after light 4.2671539165 3.554616165 4.979691668 3 h after light 5.890457345333333 4.123424195 7.486170903 5 h after light 7.772427005333333 6.37193323 9.311293798 7 h after light 8.650905885333334 8.169308498 9.153617026000001 9 h after light 8.185440237333333 6.863692687 9.758158214 11 h after light 9.140010726666667 7.229018985 10.65608387 1 h after dark 13.309044046666667 10.04642488 17.63837157 3 h after dark 15.082648596666667 13.82896151 17.04308704 5 h after dark 15.63675091 14.13238508 18.00895613 7 h after dark 15.754929596666667 15.05334788 17.05495735 9 h after dark 13.723797623333333 13.28298733 14.28934915 11 h after dark 13.623157603333333 11.91073699 15.34395823