condition mean min max 4 h after light 3.2855499999999997 3.16473 3.40637 8 h after light 9.33306 9.25097 9.41515 12 h after light 8.918295 7.52259 10.314 4 h after dark 9.200610000000001 8.89216 9.49352 8 h after dark 4.87988 4.77027 4.99882 12 h after dark 4.08116 3.49284 4.62291