condition mean min max 0 h after light 5.462885 5.07404 5.85173 2 h after light 13.32125 12.8825 13.76 4 h after light 9.842775 9.65005 10.0355 8 h after light 4.05471 3.68968 4.41974 12 h after light 6.91881 6.12419 7.71343 2 h after dark 5.8988499999999995 5.20296 6.59474 4 h after dark 4.135625 3.86065 4.4106 8 h after dark 5.281499999999999 5.06936 5.49364 12 h after dark 5.704725 5.31991 6.08954