condition mean min max 4 h after light 3498.7 3498.7 3498.7 8 h after light 4317.4 3202.8 5432.0 12 h after light 4523.6 4289.0 4758.2 4 h after dark 3692.95 3653.3 3732.6 8 h after dark 2965.1 2814.2 3116.0 12 h after dark 2509.8500000000004 2315.4 2704.3