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

Location Month 1997 1998 1999 2000 2001 2002
WHPE1 1 0 0 0 0 11 10
WHPE1 2 0 0 0 0 9 10
WHPE1 3 0 0 0 0 5 10
WHPE1 4 0 0 0 0 0 10
WHPE1 5 0 0 0 0 3 10
WHPE1 6 0 0 0 0 3 9
WHPE1 7 0 0 0 0 1 10
WHPE1 8 0 0 0 5 2 3
WHPE1 9 0 0 0 1 8 10
WHPE1 10 0 0 0 8 8 10
WHPE1 11 0 0 0 9 8 10
WHPE1 12 0 0 0 8 10 11