condition mean min max 4 h after light 5139.9 5139.9 5139.9 8 h after light 4716.25 4648.3 4784.2 12 h after light 4128.5 4042.5 4214.5 4 h after dark 5100.95 3658.9 6543.0 8 h after dark 6386.799999999999 5061.4 7712.2 12 h after dark 8183.1 7425.2 8941.0