condition mean min max 4 h after light 816.8 816.8 816.8 8 h after light 709.3499999999999 601.8 816.9 12 h after light 1138.9 748.9 1528.9 4 h after dark 990.25 556.6 1423.9 8 h after dark 746.6 686.0 807.2 12 h after dark 696.7 676.6 716.8