condition mean min max 2 h after light 1073.54 1059.58 1096.48 6 h after light 973.6686666666667 904.475 1024.47 10 h after light 793.865 757.329 843.318 2 h after dark 1206.8500000000001 1152.9 1285.41 6 h after dark 1382.8166666666666 1321.51 1416.06 10 h after dark 1539.5333333333333 1521.83 1556.44