condition mean min max 3 h after light 1.2485966666666666 1.12358 1.39198 6 h after light 4.166988666666667 0.805146 9.64932 9 h after light 0.754594 0.444218 1.0843 12 h after light 1.3600325 1.1349 1.6388 3 h after dark 18.1507 12.8092 22.5205 6 h after dark 2.46991 1.09442 4.63234 9 h after dark 6.53962 1.53827 16.0125 12 h after dark 6.4668849999999996 1.08537 11.8484