When Precipitation Patterns Change Part A: What is Drought? In
Lab 3, you learned to interpret climographs to understand a
location's normal climate. Another way that climographs can be
used is to plot current conditions over a background of the
average conditionsthis provides a graphic way to see how the
current year compares to the long term average. These dynamic
graphs indicate if current conditions are abnormally hot, cold,
wet, or dry. - Click the thumbnail image at right to see a
larger view of a climograph for San Antonio, Texas. The graph
shows conditions for January through mid-July of 2008. - Examine
the graph to interpret the conditions in San Antonio. The
background colors (pale red for temperatures and light green for
accumulated precipitation) show the average conditions compiled
from many years of data. The brighter red and green lines show
daily temperatures and accumulated rainfall through July of
2008. - What does the graph indicate about San Antonio's
temperature? The temperature was above