condition mean min max 4 h after light 409.3 409.3 409.3 8 h after light 393.65 385.8 401.5 12 h after light 319.15 255.3 383.0 4 h after dark 315.35 240.8 389.9 8 h after dark 330.05 293.1 367.0 12 h after dark 387.54999999999995 379.9 395.2