condition mean min max 4 h after light 102.039629 97.300255 106.779003 8 h after light 103.640264 96.439363 110.841165 12 h after light 99.88591 99.88591 99.88591 4 h after dark 98.1585455 96.431181 99.88591 8 h after dark 98.621189 88.475396 108.766982 12 h after dark 95.296607 95.296607 95.296607