condition mean min max 4 h after light 2678.3 2678.3 2678.3 8 h after light 3032.3500000000004 2718.4 3346.3 12 h after light 2690.1 2169.2 3211.0 4 h after dark 3197.8 2764.4 3631.2 8 h after dark 3502.85 2985.7 4020.0 12 h after dark 2932.45 2434.9 3430.0