condition mean min max 4 h after light 393.0 393.0 393.0 8 h after light 333.95 319.4 348.5 12 h after light 371.4 305.7 437.1 4 h after dark 494.65 428.5 560.8 8 h after dark 520.6500000000001 517.7 523.6 12 h after dark 541.55 493.4 589.7