condition mean min max 4 h after light 10.320143333333334 10.20573 10.526869999999999 8 h after light 10.31483 10.28728 10.34884 12 h after light 10.37359 10.192789999999999 10.60201 4 h after dark 10.05587 9.8815 10.164719999999999 8 h after dark 9.806876666666668 9.638760000000001 9.92715 12 h after dark 9.822103333333333 9.6271 10.007719999999999