condition mean min max 2 h after light 9.084473333333333 8.54247 9.83936 6 h after light 9.90556 9.00348 10.3834 10 h after light 11.264899999999999 10.165 11.8848 2 h after dark 10.060673333333334 9.68922 10.307 6 h after dark 9.378296666666666 8.75086 9.78619 10 h after dark 7.07489 6.07473 8.28496