HAPPY VALLEY, OREGON WEATHER: APRIL 2021
TEMPERATURES April 2021 had larger-than-usual daily temperature variations due to the many days of clear, dry weather, with an Average Monthly Diurnal Range of 23.5°. The Maximum Daily Diurnal Range was 31.7° on the 15th (76.2°/44.5°) and the 21st (75.9°/44.2°), the least was just 8.0° on the 24th (53.9°/45.9°), the day with the greatest rainfall of the month. Overall, Maximum Temperatures averaged more than +5.0° departures while Minimums averaged near-Normal departures (per the official Portland stations). April began quite cool…