Data Matrix of: surface_data
*The number in brackets is the percentage of values recorded compared to the maximum values recorded in that year
| YEAR | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | [0] | 982.8 [9.68] | 985.8 [99.19] | 983.2 [96.37] | 988.6 [100.0] | 987.2 [96.77] | 970.3 [100.0] | 984.3 [100.0] | 978.0 [96.77] | 977.9 [100.0] | 976.1 [96.77] | 981.5 [100.0] |
| 1986 | 986.9 [100.0] | 990.8 [60.48] | [0] | [0] | [0] | [0] | [0] | [0] | [0] | [0] | [0] | [0] |
| 1987 | 997.0 [92.68] | 988.2 [84.96] | 983.8 [95.93] | 987.2 [95.93] | 990.3 [99.59] | 988.9 [95.53] | 993.8 [100.0] | 978.2 [100.0] | 989.1 [97.15] | 979.1 [99.59] | 978.9 [96.75] | 990.4 [90.24] |
| 1988 | 991.5 [100.0] | 982.2 [93.55] | 986.7 [100.0] | 987.5 [96.77] | 992.0 [100.0] | 996.8 [96.77] | 981.5 [100.0] | 986.9 [100.0] | 989.5 [96.77] | 996.1 [100.0] | 987.2 [96.77] | 988.3 [100.0] |
| 1989 | 989.8 [96.5] | 980.1 [87.16] | 986.1 [96.5] | 990.3 [93.39] | 983.8 [96.5] | 985.0 [93.39] | 982.1 [96.5] | 989.4 [96.5] | 992.4 [93.39] | 981.4 [96.5] | 985.7 [93.39] | 989.8 [100.0] |
| 1990 | 990.4 [100.0] | 981.6 [85.28] | 985.1 [93.58] | 995.2 [90.57] | 995.9 [93.58] | 994.2 [90.57] | 987.0 [93.58] | 985.9 [93.58] | 980.4 [90.57] | 984.9 [93.58] | 988.4 [90.57] | 987.8 [93.58] |
| 1991 | 981.8 [100.0] | 987.7 [90.32] | 980.6 [100.0] | 988.2 [96.77] | 985.1 [100.0] | 989.9 [96.77] | 987.5 [100.0] | 982.2 [100.0] | 988.0 [96.77] | 981.2 [100.0] | 987.5 [96.77] | 995.1 [99.6] |
| 1992 | 989.8 [100.0] | 991.1 [93.55] | 984.3 [100.0] | 984.6 [96.77] | 990.4 [100.0] | 994.9 [96.77] | 982.5 [100.0] | 978.7 [100.0] | 985.0 [96.77] | 986.4 [100.0] | 979.3 [96.77] | 984.4 [100.0] |
| 1993 | 994.3 [100.0] | 983.1 [90.32] | 982.9 [100.0] | 987.3 [96.77] | 985.1 [100.0] | 985.9 [96.77] | 980.7 [100.0] | 977.6 [100.0] | 979.6 [96.77] | 978.7 [100.0] | 985.1 [96.77] | 981.0 [100.0] |
| 1994 | 987.7 [100.0] | 984.9 [90.32] | 980.8 [100.0] | 985.6 [96.77] | 987.2 [100.0] | 997.8 [96.77] | 984.9 [100.0] | 983.5 [100.0] | 988.8 [96.77] | 982.4 [100.0] | 990.7 [96.77] | 982.0 [100.0] |
| 1995 | 985.5 [100.0] | 985.5 [90.32] | 988.5 [100.0] | 984.3 [96.77] | 981.4 [100.0] | 995.1 [96.77] | 995.6 [100.0] | 991.6 [100.0] | 978.1 [96.77] | 985.1 [100.0] | 986.4 [96.77] | 984.9 [100.0] |
| 1996 | 991.9 [100.0] | 990.8 [93.55] | 984.1 [100.0] | 984.6 [96.77] | 985.3 [100.0] | 987.5 [96.77] | 986.1 [100.0] | 990.2 [100.0] | 992.9 [96.77] | 978.6 [100.0] | 990.3 [96.77] | 990.4 [100.0] |
| 1997 | 990.8 [100.0] | 988.0 [90.32] | 980.1 [100.0] | 982.6 [96.77] | 980.3 [100.0] | 991.6 [96.77] | 985.4 [100.0] | 982.7 [100.0] | 988.0 [96.77] | 984.4 [100.0] | 992.7 [96.77] | 990.5 [100.0] |
| 1998 | 985.8 [100.0] | 984.1 [90.32] | 979.1 [100.0] | 977.9 [96.77] | 983.2 [100.0] | 982.5 [96.77] | 983.7 [100.0] | 984.8 [100.0] | 983.2 [96.77] | 983.4 [100.0] | 978.7 [96.77] | 983.8 [100.0] |
| 1999 | 942.7 [100.0] | 989.9 [90.32] | 987.4 [100.0] | 981.2 [96.77] | 980.9 [100.0] | 993.3 [96.77] | 987.5 [100.0] | 984.3 [100.0] | 987.2 [96.77] | 976.1 [100.0] | 978.2 [96.77] | 980.0 [100.0] |
| 2000 | 981.7 [100.0] | 983.9 [93.55] | 986.5 [100.0] | 986.6 [96.77] | 985.4 [100.0] | 986.6 [96.77] | 987.5 [100.0] | 983.9 [100.0] | 993.2 [96.77] | 979.8 [100.0] | 989.7 [96.77] | 994.8 [100.0] |
| 2001 | 987.9 [100.0] | 990.0 [90.32] | 986.6 [100.0] | 979.7 [96.77] | 988.5 [100.0] | 990.6 [96.77] | 988.5 [100.0] | 984.0 [100.0] | 984.4 [96.77] | 983.6 [100.0] | 982.7 [96.77] | 981.4 [100.0] |
| 2002 | 986.6 [100.0] | 979.5 [90.32] | 991.1 [100.0] | 985.2 [96.77] | 992.5 [100.0] | 986.9 [96.77] | 987.3 [100.0] | 984.5 [100.0] | 985.3 [96.77] | 993.2 [100.0] | 987.5 [96.77] | 982.2 [100.0] |
| 2003 | 992.7 [100.0] | 992.6 [90.32] | 985.3 [100.0] | 979.1 [96.77] | 986.4 [100.0] | 993.6 [96.77] | 986.4 [100.0] | 980.3 [100.0] | 984.2 [96.37] | 986.7 [99.6] | 984.5 [96.77] | 994.7 [100.0] |
| 2004 | 983.9 [100.0] | 988.1 [93.55] | 978.5 [100.0] | 983.9 [96.77] | 985.9 [100.0] | 977.1 [96.77] | 979.5 [100.0] | 978.6 [100.0] | 983.4 [96.77] | 982.0 [100.0] | 984.7 [96.77] | 988.1 [100.0] |
| 2005 | 985.4 [99.6] | 975.9 [89.92] | 983.0 [100.0] | 982.1 [93.95] | 984.3 [99.6] | 989.2 [95.56] | 983.8 [99.19] | 981.8 [97.98] | 979.6 [96.77] | 983.4 [99.6] | 986.3 [95.56] | 998.1 [100.0] |
| 2006 | 988.6 [100.0] | 986.7 [90.32] | 984.4 [100.0] | 986.9 [96.77] | 978.0 [100.0] | 985.6 [96.77] | 983.7 [100.0] | 988.6 [100.0] | 988.4 [96.77] | 979.2 [100.0] | 983.7 [96.77] | 986.4 [100.0] |
| 2007 | 1002.3 [100.0] | 986.4 [90.32] | 991.0 [100.0] | 994.4 [20.16] | [0] | 996.2 [96.77] | 999.5 [100.0] | 989.4 [100.0] | 994.2 [96.77] | 986.5 [100.0] | 993.2 [96.77] | 983.7 [100.0] |
| 2008 | 985.8 [97.18] | 983.3 [89.92] | 982.2 [100.0] | 987.9 [96.77] | 992.2 [100.0] | 985.9 [94.35] | 983.8 [99.6] | 985.9 [100.0] | 982.1 [96.77] | 979.2 [100.0] | 982.2 [96.77] | 981.2 [99.19] |
| 2009 | 984.0 [98.79] | 979.0 [90.32] | 981.9 [99.6] | 989.7 [96.77] | 994.1 [100.0] | 988.7 [77.02] | 1031.7 [81.45] | 989.8 [100.0] | 987.1 [96.77] | 985.0 [100.0] | 991.3 [96.77] | 987.3 [100.0] |
| 2010 | 991.9 [99.19] | 989.7 [90.32] | 986.3 [99.6] | 985.9 [96.77] | 986.2 [99.6] | 982.8 [96.77] | 980.6 [100.0] | 980.9 [100.0] | 985.6 [96.77] | 981.8 [99.19] | 981.2 [96.77] | 987.8 [100.0] |