The graph will display the hourly weather values for the selected day. The blue and orange lines below the graph will show the times for day and night. Day will be denoted by the colour orange, and night will be indicated by the colour blue. The blank point on the line near the middle of the blue-orange line will shows the time when the sun is at its zenith.
HOURLY WEATHER VARIABLES
Hourly weather variables |
Details |
Global Radiation (W/m2) |
Total solar radiation intensity on a horizontal plane. |
Diffuse Radiation (W/m2) |
Diffuse sky radiation intensity on a horizontal plane. |
Cloud Cover (0-1) |
A number varying from 0 for a clear sky to 1 for overcast conditions. This quantity is used to estimate long-wave sky radiation during simulation. |
Dry Bulb Temp. (C) |
The dry-bulb temperature as measured in a Stephenson screen. |
Relative Humidity (%) |
The relative humidity as measured in a Stephenson screen. |
Wind Speed (m/s) |
The wind speed measured at a height of 10 meters above the ground |
Wind Direction (Deg. E of N) |
The direction from which the wind blows (degrees east of north). |
Y-Axis Text Orientation
Horizontal - displays the y-axis labels horizontally on the graph.
Vertical - displays the y-axis labels vertically on the graph.
Y-Axis Label Location
Side - displays units of measurement at the centre of the y-axis and positions them on the side furthest away from the graph.
Top - displays units of measurement at the top of the y-axis, positioned in-line with the labels.
Font Size
Large - font size is increased to the largest available size.
Medium - font size can be either increased or decreased by one increment.
Small - font size is decreased to the smallest available size.
Maximize - Graph is resized to fill the whole screen (press the Esc key to reset the view).
Export Dialog - opens a window from where you can export weather data for the day number that is displayed on the graph. Choose from graphical output or text format. Options include: .emf; .wmf; .bmp; .jpg; .png; .txt.; .dat. Save images and text directly to the clipboard or create a new file by browsing. You can also send images to print from this dialog.