condition mean min max 4 h after light 12.0873055 11.292604 12.882007 8 h after light 10.5273465 10.111862 10.942831 12 h after light 12.821128 12.662541 12.979715 4 h after dark 19.1160855 14.586138 23.646033 8 h after dark 18.832479999999997 16.664633 21.000327 12 h after dark 19.002715 19.002715 19.002715