condition mean min max 0 h after light 1.3234949999999999 1.15922 1.48777 4 h after light 0.907318 0.673746 1.14089 8 h after light 4.39307 4.20683 4.57931 4 h after dark 5.7741299999999995 5.37883 6.16943 8 h after dark 1.878465 1.47762 2.27931 12 h after dark 2.19989 1.81594 2.58384