condition mean min max 4 h after light 2533.1303333333335 2382.996 2679.0290000000005 8 h after light 2150.6676666666667 1813.66 2614.739 12 h after light 1187.0565666666666 811.1587 1641.5220000000002 16 h after light 1586.3909999999998 1143.762 1919.5279999999998 4 h after dark 2071.2853333333333 1606.996 2359.6279999999997 8 h after dark 1981.4313333333332 1701.234 2146.625