Jan -4.7 -13.2 -9 -999 2 M1 O1a 100 
Feb -0.1 -9.2 -4.7 -999 3 M1 O1a 100 
Mar 5.6 -5.5 0 -999 3 M1 O1a 100 
Apr 11.6 -2 4.8 -999 3 M1 O1a 80 
May 17.4 2.8 10.1 -999 4 M2 O1a 60 
Jun 20.8 6.8 13.8 -999 4 M2 O1a 40 
Jul 23.9 8.7 16.4 -999 4 M2 O1a 80 
Aug 23.8 8.1 16 -999 3 M2 O1a 60 
Sep 18 4 11 -999 3 M2 O1a 60 
Oct 9.3 0.1 4.7 -999 2 M1 O1a 60 
Nov 0.7 -5 -2.2 -999 3 M1 O1a 100 
Dec -4.2 -11.1 -7.7 -999 2 M1 O1a 100