condition mean min max 2 h after light 0.595198 0.359042 0.830389 6 h after light 0.5858463333333334 0.162945 0.975217 10 h after light 0.23076573333333333 0.0 0.622289 14 h after light 0.6235495 0.23313 1.06127 18 h after light 0.6226754999999999 0.400495 0.946332 2 h after dark 0.7036758333333333 0.219481 1.19671