condition mean min max 4 h after light 3193.9255556666667 2872.82 3446.116667 8 h after light 2611.4888889999997 2410.89 2756.85 12 h after light 2609.45 2591.93 2627.736667 1.5 h after dark 3293.57 3215.41 3359.426667 5.5 h after dark 3654.877778 3540.03 3736.966667 9.5 h after dark 3856.4244446666667 3553.216667 4070.766667