condition mean min max 1 h after light 6.2634718555 4.952426031 7.57451768 3 h after light 5.964955012666667 5.78037984 6.27328686 5 h after light 6.179101645333334 5.588132841 7.16685687 7 h after light 6.115692877333333 5.5551951939999995 6.683393047999999 9 h after light 7.240604476666667 6.586982243 8.333088115 11 h after light 7.344735874666666 6.649837217999999 8.108074441 13 h after light 7.38432726 7.124933523999999 7.5671476470000005 15 h after light 7.619931028 7.145366151 8.140530185 1 h after dark 8.189559750333334 7.296323018 9.469326986 3 h after dark 8.748040865 7.88087186 9.988855162 5 h after dark 8.815037631333333 8.356383548 9.236216463 7 h after dark 7.5731244176666666 6.672940466 9.030881414