condition mean min max 4 h after light 1041.6 1041.6 1041.6 8 h after light 870.05 825.7 914.4 12 h after light 901.5500000000001 678.2 1124.9 4 h after dark 688.0 653.6 722.4 8 h after dark 816.3 686.3 946.3 12 h after dark 907.45 884.8 930.1