condition mean min max 4 h after light 3644.5 3644.5 3644.5 8 h after light 3260.3500000000004 3069.3 3451.4 12 h after light 3152.7 2954.3 3351.1 4 h after dark 3064.55 3061.1 3068.0 8 h after dark 2846.8500000000004 2551.3 3142.4 12 h after dark 2693.8 2311.2 3076.4