condition mean min max 4 h after light 3698.3 3698.3 3698.3 8 h after light 3666.5 3522.4 3810.6 12 h after light 3747.65 3305.5 4189.8 4 h after dark 3333.8 2975.3 3692.3 8 h after dark 2759.3500000000004 2271.4 3247.3 12 h after dark 2551.55 2411.8 2691.3