condition mean min max 4 h after light 833.8372222 678.3533333 937.165 8 h after light 848.4527777666667 716.2833333 915.85 12 h after light 678.72 548.84 842.86 1.5 h after dark 629.9611111333334 472.7866667 721.5266667 5.5 h after dark 694.0544444333333 676.81 720.85 9.5 h after dark 668.0222222333333 620.7833333 697.2766667