Jan -2.2 -8.2 -5.3 -999 5 M1 O1a 100 
Feb .9 -5.9 -2.5 -999 5 M1 O1a 100 
Mar 6.3 -2.7 1.8 -999 5 M1 O1a 100 
Apr 13.4 1.2 7.3 -999 6 M1 O1b 80 
May 19.4 5.7 12.6 -999 6 M2 O1b 60 
Jun 22.6 9.5 16.1 -999 6 M2 O1b 40 
Jul 25.3 11.1 18.2 -999 5 M2 O1b 80 
Aug 24.6 11 17.9 -999 4 M2 O1b 100 
Sep 18.3 7 12.6 -999 4 M2 O1b 100 
Oct 10.6 2.7 6.7 -999 5 M1 O1b 100 
Nov 3.2 -1.6 0.8 -999 6 M1 O1a 100 
Dec -1.4 -6.2 -3.8 -999 6 M1 O1a 100