condition mean min max 4 h after light 1632.5 1632.5 1632.5 8 h after light 1502.05 1455.1 1549.0 12 h after light 1060.35 738.2 1382.5 4 h after dark 490.05 390.1 590.0 8 h after dark 384.70000000000005 329.3 440.1 12 h after dark 457.35 401.8 512.9