Extended from late 16c. to shapes, etc., that followed predictable or uniform patterns; sense of normal is from 1630s; meaning real, genuine is from 1821. Old English borrowed Latin regula and nativized it as regol rule, regulation, canon, law, standard, pattern; hence regolsticca ruler (instrument); regollic (adj.) canonical, regular.
On average, there are 207 sunny days per year in Nampa, Idaho. The July high is around 90 degrees. The January low is 23. Sperling's comfort index for Nampa is a 71 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit. The annual average precipitation at Wapakoneta is 37.20 Inches. Rainfall in is fairly evenly distributed throughout the year.