condition mean min max 4 h after light 59.650891 15.377415 103.924367 8 h after light 135.598586 114.520318 156.676854 12 h after light 197.0354625 104.758906 289.312019 4 h after dark 368.9520505 247.518198 490.385903 8 h after dark 471.582314 245.055347 698.109281 12 h after dark 385.693595 385.693595 385.693595