condition mean min max 4 h after light 4.6774700000000005 4.56921 4.85522 8 h after light 4.573463333333333 4.38762 4.886019999999999 12 h after light 4.499216666666666 4.39433 4.69613 4 h after dark 4.679683333333333 4.48196 4.90941 8 h after dark 4.61841 4.51773 4.70489 12 h after dark 4.458223333333334 4.3756900000000005 4.57946