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.
CLIMATE OVERVIEW : Boise, Idaho, gets 12 inches of rain per year. The US average is 39. Snowfall is 31 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 41. On average, there are 206 sunny days per year in Boise, Idaho. The July high is around 90 degrees. The January low is 23. Sperling's comfort index for Boise is a 72 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.