condition mean min max 4 h after light 309.5 309.5 309.5 8 h after light 401.4 374.0 428.8 12 h after light 411.45000000000005 310.8 512.1 4 h after dark 443.45 403.9 483.0 8 h after dark 357.6 254.3 460.9 12 h after dark 317.3 209.1 425.5