condition mean min max 1 h after light 2.8640254325 2.050740095 3.67731077 3 h after light 6.239228531 4.189931037 8.270436427 5 h after light 10.816795537333334 9.859728262 11.49742365 7 h after light 9.684175038666666 7.866613236 10.9111115 9 h after light 9.730097229333333 8.186814168 10.76545196 11 h after light 9.891168388333334 8.615406188 11.60382908 1 h after dark 14.621756266666667 11.25892443 17.05768444 3 h after dark 18.589331996666665 16.13378842 22.65128234 5 h after dark 18.654931233333333 17.60756174 20.06477303 7 h after dark 17.117597393333334 15.52871676 19.12222491 9 h after dark 16.489218433333335 14.80118292 18.4731676 11 h after dark 15.497560466666666 12.62064847 17.83456246