index - a numerical scale used to compare variables with one another or with some reference number. 1  margin of error, margin of safety, safety margin - the margin required in order to insure safety; in engineering the margin of safety is the strength of the material minus the anticipated stress.
Nutty Ways to Celebrate Squirrel Appreciation Day This Year. SQUIRRELS! Whether you love them or loathe them, National Squirrel Appreciation Day, January 21st, is a great time to take a few moments and learn about these nutty animals. If you count flying squirrels we have 10 tree species in North America.
1 Rabbit: October 1st through March 15, 2015. 2  Squirrel: May 15th-January 31, 2015 (Statewide). 3  Turkey: October 31st through November 20th (Open only in select counties), April 6th through May 6, 2015 (Statewide except southern), April 20th through May 6, 2015 (Southern Region).