condition mean min max 4 h after light 4967.1 4967.1 4967.1 8 h after light 5996.25 5712.5 6280.0 12 h after light 4714.2 3076.4 6352.0 4 h after dark 2719.75 2014.3 3425.2 8 h after dark 2266.05 2015.5 2516.6 12 h after dark 3089.5 2723.5 3455.5