condition mean min max 4 h after light 2.4185 2.29596 2.54104 8 h after light 1.86498 1.574 2.15596 12 h after light 4.040235 2.05342 6.02705 4 h after dark 9.539925 9.31762 9.76223 8 h after dark 11.713049999999999 10.4324 12.9937 12 h after dark 5.710945000000001 5.39313 6.02876