Chikwata chaGrey chakatsanangura avhareji yenhamba yemadutu pamwaka pakati pa1950 na2000 kuva 9.6 madutu emuchadenga, 5.9 madutu, uye 2.3 madutu makuru (madutu anodarika Chikamu 3). Mwaka wenguva dzose, sekutsanangurwa neNOAA, une 9 kusvika ku12 madutu ane mazita, ayo mashanu kusvika ku7 madutu akasimba uye 1 kusvika ku3 anova madutu makuru. Mubvunzo: Gray nechikwata chake vanoshanda kupi?
Colorado State University