The grades are assigned in A, B, C, and, as shown by the color codes below
The unit is clearly shown by the legend bar at the very bottom. Teh gray bar to the very right means unknown
the maroon line is the breaking point between rain and snow
the color code is the measure of rain in millimeters
The unit is in %
the red bar on maps represent the amount of number of water stations developing
The unit is in celsius
Here's the legend, from top to bottom:
More than 34.3% use the Internet
28.7-34.3% use the Internet
Less than 28.7% uses the Internet
here are the legends:
Left Column:
Risk index of floods in cities
numbers...
flowing boundaries
Right Column:
Flood Frequency in times/year
Rivers