Jan -1 -3.7 -1 -999 7 M1 O1a 100 
Feb 4.6 -2.3 1.2 -999 8 M1 O1a 100 
Mar 9.1 -0.1 4.5 -999 7 M1 O1a 100 
Apr 13.5 2.7 8.1 -999 9 M1 O1b 80 
May 17.1 6.1 11.6 -999 10 M2 O1b 60 
Jun 19.5 9.3 14.4 -999 11 M2 O1b 40 
Jul 22.1 11.4 16.8 -999 11 M2 O1b 80 
Aug 22 11.3 16.7 -999 9 M2 O1b 100 
Sep 18.1 8 13.1 -999 7 M2 O1b 100 
Oct 11.7 4.4 8.1 -999 6 M1 O1b 100 
Nov 5.1 0 2.6 -999 6 M1 O1a 100 
Dec 1.7 -2.8 -0.5 -999 7 M1 O1a 100