Past IEM Features tagged: jun17
For Des Moines, the high temperature on Sunday was just 81 degrees, which is the coolest daily high so far for the month! So for the 1-18 June period, all 18 days were 81+ degrees, which is the first time this has happened on record. The featured chart presents the number of days each year that the high was 81+ plus for this same 1-18 June stretch of days. The average is only about 50% of days. And for 1998, the total was zero days for this same period!