condition mean min max 0 h after light 49.0977 45.6219 52.5735 4 h after light 3.751385 3.52424 3.97853 8 h after light 0.407467 0.228129 0.586805 4 h after dark 1.813284 0.795758 2.83081 8 h after dark 2.2242550000000003 2.04388 2.40463 12 h after dark 18.75232 6.53254 30.9721