Stem and leaf plot

A Stem and leaf plot is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution.

http://www.eduplace.com/math/mhm/5/06a/index.html

Box plot

A graphical summary of numerical data sample through five statistics: median, lower quartile, upper quartile, and some indication of more extreme upper and lower values

http://edubuzz.org/blogs/nbhs3x1/2007/01/08/8-jan-2007-five-figure-summary-and-box-plots/

histogram

A histogram is a bar chart graphical display of numerical data. The area of each bar represents frequency distribution.

http://searchsoftwarequality.techtarget.com/sDefinition/0,,sid92_gci330729,00.html

Parallel coordinate graph

In a parallel coordinates graph, each variable corresponds to a axis.

http://www.stat.columbia.edu/~cook/movabletype/archives/2007/10/parallel_coordi.html

Triangular plot

A triangular plot is a barycentric plot on three variables which sum to a constant. It graphically depicts the ratios of the three variables as positions in an equilateral triangle.

http://www.pmel.noaa.gov/maillists/tmap/ferret_users/fu_2007/msg00384.html

Windrose

A diagram indicating compass directions in terms of eight principal winds.

http://www.climate.washington.edu/climate.html

Climograph

A climograph is a graph which demonstrates the precipitation and temperature for an area.

http://www.uwsp.edu/geo/faculty/lemke/geog101/lecture_outlines/09_global_climate_patterns.html