If you are looking for a quick, easy, inexpensive way to gather temperature or humidity values, consider the THL1 Datalogger from UEi. Founded in 1967, UEi is a leading manufacturer of portable testing and measuring equipment for the HVAC industry.
The THL1 Datalogger can log up to 32,000 data points and has a USB interface that is Windows compatible. It includes analysis software that can chart results, export to other file formats, and perform dew point calculation. The small device has magnetic mount so it can easily fit in any space where data needs to be obtained. With the TLH1, UEi has made datalogging simple at a great price.