condition mean min max 4 h after light 245.3 245.3 245.3 8 h after light 267.4 241.3 293.5 12 h after light 360.5 323.1 397.9 4 h after dark 449.70000000000005 411.1 488.3 8 h after dark 391.95 303.5 480.4 12 h after dark 335.85 314.2 357.5