condition mean min max 4 h after light 1077.7477778 924.0266667 1333.39 8 h after light 1225.0149999999999 1085.835 1398.35 12 h after light 899.5055554333333 678.99 1129.473333 1.5 h after dark 651.4111111 589.5933333 704.9033333 5.5 h after dark 751.7277778 671.1766667 833.2666667 9.5 h after dark 773.0177778 759.6866667 783.49