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.
Over the course of October in Nampa, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 25 minutes, implying an average daily decrease of 2 minutes, 51 seconds, and weekly decrease of 19 minutes, 54 seconds.