Number of measurements available in each month during the year of 1997-2002

Location Month 1997 1998 1999 2000 2001 2002
JARB1 1 0 4 8 9 10 9
JARB1 2 0 8 5 8 8 10
JARB1 3 0 7 8 5 9 8
JARB1 4 1 8 8 0 8 2
JARB1 5 8 9 7 4 6 0
JARB1 6 8 7 9 7 5 6
JARB1 7 9 9 8 3 10 10
JARB1 8 8 9 7 1 10 8
JARB1 9 7 8 9 10 8 10
JARB1 10 8 8 8 10 11 9
JARB1 11 8 7 8 4 9 10
JARB1 12 3 6 8 8 10 11