These files contain time-course data for temperature, relative humidity, and fumigant concentration during the fumigation of computers with methyl bromide or methyl iodide. There is a also a file that shows the effect of fumigation on the sensitivity of the HOBO-U10 RH sensor. This dataset is associated with the following publication: Lee, S., S. Serre, A. Adrion, and R. Scheffrahn. Impact of Sporicidal Fumigation with Methyl Bromide or Methyl Iodide on Electronic Equipment. JOURNAL OF ENVIRONMENTAL MANAGEMENT. Elsevier Science Ltd, New York, NY, USA, 231: 1021-1027, (2019).