condition mean min max 1 h after light 2.825090561 2.825090561 2.825090561 3 h after light 4.876247037 3.1482367119999997 6.604257362 5 h after light 7.133352717499999 5.73505682 8.531648615 7 h after light 9.3521635535 7.5111926570000005 11.19313445 9 h after light 9.4048773255 8.873216267 9.936538384 11 h after light 11.986904485 10.73722545 13.23658352 1 h after dark 7.174691173499999 4.170950947 10.1784314 3 h after dark 5.6865115365 5.374540002000001 5.998483071 5 h after dark 4.639368601499999 4.60655201 4.672185193 7 h after dark 4.825467806499999 4.788118368999999 4.8628172439999995 9 h after dark 4.166619351 4.059205363 4.274033339 11 h after dark 2.9239248460000002 1.603086805 4.244762887