 በሪፖርታቸው መሠረት በኤፕሪል እና ሰኔ 2017 መካከል (ማለትም ለ ታዳሽ ኃይል ለማመንጨት የሚረዱ ወሮች .
The results show that the EHE frequency in summer (June and July) experienced a significant interdecadal increase around the mid-1990s.