condition mean min max 4 h after light 3.1240946666666667 3.021419 3.22951 8 h after light 4.629643333333333 4.300346 5.098285 12 h after light 9.315289666666667 5.210419 13.23947 16 h after light 8.071646999999999 3.5531980000000005 11.776019999999999 4 h after dark 11.099607666666667 8.637763 15.035570000000002 8 h after dark 11.80912 11.1052 12.540280000000001