condition mean min max 4 h after light 3162.1 3162.1 3162.1 8 h after light 2887.0 2758.3 3015.7 12 h after light 2826.8 2301.2 3352.4 4 h after dark 3223.4 2648.8 3798.0 8 h after dark 3657.4 3583.5 3731.3 12 h after dark 3857.8999999999996 3471.1 4244.7