condition mean min max 4 h after light 8191.3 8191.3 8191.3 8 h after light 7448.6 7192.4 7704.8 12 h after light 5638.7 4874.4 6403.0 4 h after dark 4484.7 4210.7 4758.7 8 h after dark 5149.95 4590.5 5709.4 12 h after dark 6669.450000000001 5536.6 7802.3