DAVIS GroWeatherLink Software - Manual (Page 63)

U S I N G T H E S O F T W A R E
Reports Menu
56
▲ Total
The total number of soil temperature hours which occurred during the
selected period of time.
▲ Start Date, End Date, Threshold
The report shows the start and end dates and the threshold you entered.
▲ Hours for the last 15 days
The report shows the number of soil temperature hours which occurred on
each of the past 15 days.
Hours of Daylight
The software can calculate the total hours of daylight during any given period. To
do so, you must enter a solar radiation threshold above which the software
should consider “daylight" (default is 150 W/m
2
). The software calculates the
amount of time the solar radiation was above the threshold and reports that
amount of time as the hours of daylight.
1. Choose Hours of Daylight from the Reports menu.
The Hours of Daylight dialog box appears.
H OURS OF D AYLIGHT
2. Enter the following information:
▲ Start Date
Enter the starting date for which you want hours of daylight calculated
into the text box.
▲ End Date
Enter the ending date for which you want hours of daylight calculated
into the text box.
▲ Solar Radiation Threshold
Enter the solar radiation threshold above which you want hours of day-
light calculated into the text box.