condition mean min max 4 h after light 245.3 245.3 245.3 8 h after light 453.15 364.3 542.0 12 h after light 529.55 256.1 803.0 4 h after dark 426.79999999999995 362.9 490.7 8 h after dark 404.54999999999995 310.2 498.9 12 h after dark 241.55 151.6 331.5