condition mean min max 4 h after light 335.7 335.7 335.7 8 h after light 308.1 296.0 320.2 12 h after light 314.55 296.8 332.3 4 h after dark 477.04999999999995 416.3 537.8 8 h after dark 574.5 507.6 641.4 12 h after dark 412.35 309.2 515.5