Max/min are the highest and lowest readings
for the month
Dt is the date of the reading
| Month | 1996 | 1997 | 1998 | 1999 | 2000 | |||||
| Max/min | Dt | Max/min | Dt | Max/min | Dt | Max/min | Dt | Max/min | Dt | |
| Jan | 1028 | 16 | 1042 | 28 | 1035 | 21 | 1045 | 31 | 1044 | 16 |
| 983 | 7 | 1006 | 25 | 979 | 2 | 995 | 16 | 1007 | 29 | |
| Feb | 1039 | 15 | 1033 | 8 | 1041 | 24 | 1045 | 1 | 1037 | 3 |
| 988 | 12 | 983 | 24 | 1010 | 21 | 1003 | 8 | 1006 | 8 | |
| March | 1037 | 2 | 1035 | 8 | 1044 | 19 | 1034 | 15 | 1039 | 15 |
| 1002 | 21 | 1012 | 24 | 995 | 4 | 989 | 3 | 1000 | 1 | |
| April | 1033 | 4 | 1034 | 7 | 1022 | 30 | 1031 | 8 | 1035 | 7 |
| 1001 | 23 | 1011 | 28 | 983 | 4 | 997 | 20 | 989 | 16 | |
| May | 1028 | 9 | 1031 | 25 | 1032 | 19 | 1028 | 31 | 1028 | 2 |
| 988 | 19 | 990 | 5 | 1010 | 6 | 1015 | 18 | 1001 | 28 | |
| June | 1037 | 13 | 1024 | 9 | 1029 | 17 | 1032 | 10 | 1030 | 12 |
| 1009 | 20 | 994 | 21 | 1006 | 2 | 1003 | 5 | 1009 | 9 | |
| July | 1032 | 16 | 1031 | 6 | 1029 | 4 | 1035 | 8 | 1029 | 21 |
| 1002 | 3 | 1007 | 1 | 1008 | 21 | 1012 | 20 | 990 | 10 | |
| August | 1030 | 3 | 1026 | 14 | 1035 | 4 | 1030 | 28 | 1039 | 5 |
| 1002 | 11 | 999 | 28 | 1011 | 21 | 1000 | 18 | 1012 | 26 | |
| Sept | 1029 | 9 | 1030 | 6 | 1037 | 20 | 1033 | 9 | 1027 | 4 |
| 1005 | 25 | 1009 | 12 | 996 | 30 | 993 | 20 | 999 | 19 | |
| Oct | 1027 | 10 | 1036 | 29 | 1032 | 8 | 1036 | 12 | 1035 | 17 |
| 989 | 28 | 998 | 11 | 990 | 24 | 982 | 24 | 972 | 11 | |
| Nov | 1026 | 9 | 1032 | 1 | 1037 | 30 | 1045 | 10 | 1019 | 10 |
| 968 | 19 | 983 | 8 | 993 | 2 | 1000 | 5 | 976 | 6 | |
| Dec | 1039 | 26 | 1033 | 13 | 1040 | 1 | 1032 | 16 | 1019 | 30 |
| 994 | 3 | 993 | 18 | 1011 | 30 | 998 | 24 | 982 | 8 | |