Sampling dates (in 2006) and meteorological conditions during the 4-h sampling period on each datea

ParameterSampling date
May 17May 19May 22May 23May 25
Avg temp (°C)25.529.126.523.526.6
Avg wind speed (km h−1)
Peak wind gust (km h−1)35.216.519.240.79.6
Predominant wind directionNNWNNEESEWSWNNE
Humidity (%)20.217.625.523.322.2
Barometric pressure (hPa)836833829831833
Solar irradiance (W m−2)394628588903873
  • a Data were collected from a weather station located approximately 250 m from the sampling site (see Materials and Methods).