Average = The monthly average air temperature
Minimum = Average daily minimum temperature
Maximum = Average daily maximum temperature
After selecting the desired range, "Matching places:"
tells approximately how many percent of all places lie
within the range.
When the value for "Matching places" is too high, the search
results will contain a lot of suggested places. If several
search criteria is used and the "Matching places" percent
is very low, it is possible that there are no matching places
Possibly too few matching places = .
Possibly a good number of matching places = .