condition mean min max 4 h after light 2904.8 2904.8 2904.8 8 h after light 2608.2 2385.1 2831.3 12 h after light 2800.35 2455.2 3145.5 4 h after dark 3455.9500000000003 2579.3 4332.6 8 h after dark 4115.75 3793.9 4437.6 12 h after dark 4199.700000000001 3876.8 4522.6