Full protocol available at www.globe.gov Purpose: To measure air temperature at the Atmosphere Study Site Time: 5 minutes Frequency: Daily within one hour of local solar noon Skills: Using a thermometer Recording data Reading a scale Materials and Tools One maximum/minimum thermometer An instrument shelter A second thermometer for calibrating the maximum/minimum thermometer Atmosphere Investigation Data Work Sheet or Field Notebook Background The maximum/minimum thermometer is a U-shaped tube with two indices that indicate the maximum and minimum temperatures.
(two indices; indicate; the maximum and minimum temperatures) (Recording data; Reading; a scale) (Site Time; [is] Study [of]; Atmosphere)
two indices Recording data Site Time
indicate Reading [is] Study [of]
the maximum and minimum temperatures
a scale
Atmosphere