condition mean min max 4 h after light 14.388639999999999 7.11002 21.8346 8 h after light 6.898149999999999 1.98035 12.3151 12 h after light 8.937163333333334 5.44474 12.7571 4 h after dark 15.587866666666665 10.7502 18.4106 8 h after dark 12.258666666666667 8.5036 15.433 12 h after dark 15.918299999999999 14.0604 17.1099