condition mean min max 4 h after light 1.3352469999999999 0.834954 1.83554 8 h after light 0.9256935 0.882152 0.969235 12 h after light 0.553203 0.449753 0.656653 4 h after dark 0.824507 0.621771 0.990168 8 h after dark 0.9006966666666667 0.847248 0.968385 12 h after dark 1.2466933333333334 1.11803 1.43895