condition mean min max 4 h after light 1740.6 1740.6 1740.6 8 h after light 2182.05 2037.9 2326.2 12 h after light 2643.5 2484.9 2802.1 4 h after dark 2374.05 1861.8 2886.3 8 h after dark 1954.3500000000001 1588.4 2320.3 12 h after dark 1954.15 1696.0 2212.3