2020 weather extremes 2020 was the driest year since records began in 1987. 4.66 inches is 7/10 of an inch lower than the previous low of 5.36 in 2002. 48 days is the most days with a low temperature of 80° or more. The previous maximum was 46 days in 2011. Tied the record high temperature for the month in May at 112° and September at 115°.