condition mean min max 0 h after light 961.5 960.392 962.608 4 h after light 2989.8549999999996 2648.72 3330.99 8 h after light 2608.9049999999997 2595.97 2621.84 4 h after dark 145.061 124.538 165.584 8 h after dark 567.7529999999999 564.264 571.242 12 h after dark 1228.73 1032.28 1425.18