condition mean min max 3 h after light 1.000169225 0.0350546 8.04369 7 h after light 0.4359267 0.0 2.2662 11 h after light 0.3254089666666667 0.0 0.722548 2 h after dark 0.7884137666666666 0.0328522 1.67807 6 h after dark 0.78461325 0.147904 3.53873 10 h after dark 0.8670144166666667 0.127974 4.73021