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

Location Month 1997 1998 1999 2000 2001 2002
WHPA1 1 0 0 0 0 0 10
WHPA1 2 0 0 0 0 2 10
WHPA1 3 0 0 0 7 9 10
WHPA1 4 0 0 0 9 6 7
WHPA1 5 0 0 0 7 11 8
WHPA1 6 0 0 0 8 10 10
WHPA1 7 0 0 0 9 10 11
WHPA1 8 0 0 0 9 10 10
WHPA1 9 0 0 0 10 10 7
WHPA1 10 0 0 0 10 9 10
WHPA1 11 0 0 0 10 10 10
WHPA1 12 0 0 0 6 9 10