condition mean min max 4 h after light 0.8325363333333334 0.188733 1.66335 8 h after light 0.46968966666666667 0.179785 0.743875 12 h after light 0.699836 0.287809 1.42057 4 h after dark 0.7925 0.514577 1.05188 8 h after dark 0.74637 0.360074 0.999944 12 h after dark 1.5789736666666667 0.665411 2.84402