Thermometer: Sunrise, 80 degrees; at 11 a.m., 93 degrees; wet bulb, 80 degrees.
"Journals of Australian Explorations" by A C and F T Gregory
F., the moisture is between 85 and 95 per cent if the wet-bulb thermometer is from 1 to 2 deg.
"The Book of Cheese" by Charles Thom and Walter Warner Fisk
Make your observation of the wet and dry-bulb thermometers and note the difference between the two readings.
"Practical Exercises in Elementary Meteorology" by Robert DeCourcy Ward