The data from the E+E33 humidity sensor and the PT1000 temperature sensor are lost between 1 and 17 July. The T and RH values given for this period are taken from a weather station at a site nearby: ZorgenHoop. These are hourly values bewteen 9 and 24 UTC. 10 minutes before and 10 minutes after the hour, the measured hourly value is filled in. The mean difference and the standard deviation of the differences between the values from this weatherstation and the E+E33 humidity sensor and the PT1000 temperature sensor are: dRH = 1 +/- 11 % and dT = 0 +/- 2 C, respectively (calculated for the period between 18-31 July).