condition mean min max 4 h after light 2086.3 2086.3 2086.3 8 h after light 2209.55 2186.1 2233.0 12 h after light 2254.9 2167.8 2342.0 4 h after dark 2551.1499999999996 2190.7 2911.6 8 h after dark 2740.8 2734.2 2747.4 12 h after dark 2591.95 2419.8 2764.1