condition mean min max 4 h after light 4302.6 4302.6 4302.6 8 h after light 3960.15 3906.4 4013.9 12 h after light 3880.3 3478.9 4281.7 4 h after dark 3742.1000000000004 3613.4 3870.8 8 h after dark 3311.65 2931.0 3692.3 12 h after dark 3978.1 3032.3 4923.9