search for: tp3318363p3318501

Displaying 1 result from an estimated 1 matches for "tp3318363p3318501".

2011 Feb 22
2
Calculate a mean for several months for several years
Hello everyone, I have a dataset with 3 colums (Year, Month, MeanTemp). Now I would like to calculate the average of the mean temperature for the summer months (Juli, August, September) for each of the 20 years. I'm sure it's somehow possible with a loop, but all I tried so far didn't worked and by the time I spent looking for a solution I would have even be faster doing this in