condition mean min max 4 h after light 0.9127609999999999 0.692092 1.13343 8 h after light 0.460415 0.353194 0.567636 12 h after light 0.416389 0.228872 0.603906 4 h after dark 1.97146 1.52992 2.413 8 h after dark 1.42929 1.36037 1.49821 12 h after dark 1.4683024999999998 0.744045 2.19256