condition mean min max 4 h after light 4071.9 4071.9 4071.9 8 h after light 3037.55 2648.6 3426.5 12 h after light 2779.15 2494.4 3063.9 4 h after dark 2251.7 1913.4 2590.0 8 h after dark 2327.6000000000004 1709.9 2945.3 12 h after dark 3493.75 2615.0 4372.5