condition mean min max 4 h after light 53.211467999999996 48.506038 57.916898 8 h after light 59.223940999999996 55.995102 62.45278 12 h after light 48.939062500000006 40.386681 57.491444 4 h after dark 52.463822500000006 46.797752 58.129893 8 h after dark 52.717304 42.590676 62.843932 12 h after dark 45.324627 45.324627 45.324627