Are the data points (temperature and RH) recorded every 30 minutes or 4 hours by the PEM instantaneous readings?
No, they are actually averages of temperature and RH readings made every 5 minutes. So, Each data point in the 30-minute buffer is the average of 6 readings made at five-minute intervals. The 4-hour buffer is made up of the average of 48 readings made at five-minute intervals. Therefore temperature and RH events that last only a short time will affect the average readings and have some impact, although their maximum extent will not be known.
