condition mean min max 4 h after light 3256.2 3256.2 3256.2 8 h after light 3046.2 2916.7 3175.7 12 h after light 2693.45 2660.0 2726.9 4 h after dark 3247.3999999999996 2434.2 4060.6 8 h after dark 4019.4 3560.8 4478.0 12 h after dark 4452.700000000001 3948.8 4956.6