HAPPY VALLEY, OREGON, WEATHER: JUNE 2018
TEMPERATURES It was a fight between warm and cool air throughout the month, with maximum temperatures ranging from the mid-50s to the low 90s, a difference of 36.5°. The largest day-to-day difference was from the 20th to 21st when the monthly maximum of 92.6° was followed by a maximum of only 69.9°, a difference of 22.7°. Minimum temperatures, as usual, were not as variable, ranging from the mid-40s to the low-60s, a difference of just 17.4°. The date with the…