The effect of the outside day/night temperatures on the grain mass was monitored with data loggers within each storage bag. Warming and cooling of the grain mass followed an oscillation similar to the outside day/night temperatures with a slight delay for heat transference (Fig. 1A and B). Over the three-month study, little difference was observed between the PICS and woven bags stored in Indiana (Fig. 2A and B). In contrast, grain in the woven bags in Arkansas was warmer in late August than in the PICS bags, likely due to the increase in insect populations (Fig. 2B). Despite this increase, the day/night oscillation was discernible.Fig. 1Oscillation of the daily temperature outside (environment) and inside the storage bags at A) Indiana and B) Arkansas. Data represent the average values from two data loggers outside and three inside the replicate bag treatments.Fig. 1Fig. 2Temperature inside the bags stored in A.) Indiana and B.) Arkansas. Data represent the average values from data loggers inside the replicate bag treatments.Fig. 2