Max/min are the highest and lowest readings
for the month
Dt is the date of the reading
| Month | 1991 | 1992 | 1993 | 1994 | 1995 | |||||
| Max/min | Dt | Max/min | Dt | Max/min | Dt | Max/min | Dt | Max/min | Dt | |
| Jan | 1042 | 25 | 1034 | 31 | 1032 | 28 | 1038 | 13 | ||
| 991 | 8 | 990 | 11 | 976 | 6 | 985 | 17 | |||
| Feb | 1034 | 19 | 1035 | 16 | 1024 | 10 | 1028 | 2 | ||
| 994 | 12 | 1007 | 26 | 981 | 3 | 988 | 11 | |||
| March | 1032 | 9 | 1034 | 25 | 1031 | 10 | 1036 | 22 | ||
| 978 | 31 | 1002 | 31 | 977 | 31 | 992 | 17 | |||
| April | 1028 | 16 | 1021 | 16 | 1029 | 28 | 1038 | 14 | ||
| 981 | 1 | 994 | 5 | 976 | 1 | 999 | 18 | |||
| May | 1034 | 16 | 1029 | 4 | 1026 | 30 | 1030 | 21 | ||
| 999 | 9 | 995 | 17 | 996 | 21 | 997 | 17 | |||
| June | 1027 | 17 | 1025 | 25 | 1031 | 11 | 1036 | 22 | ||
| 1003 | 1 | 1001 | 11 | 1000 | 4 | 1013 | 11 | |||
| July | 1028 | 27 | 1031 | 6 | 1021 | 9 | 1030 | 23 | ||
| 1003 | 11 | 1005 | 19 | 1008 | 30 | 1009 | 3 | |||
| August | 1029 | 28 | 1027 | 14 | 1027 | 17 | 1022 | 14 | 1031 | 28 |
| 1006 | 22 | 985 | 30 | 1004 | 12 | 1002 | 10 | 1019 | 23 | |
| Sept | 1033 | 6 | 1023 | 4 | 1028 | 1 | 1023 | 29 | 1032 | 23 |
| 983 | 28 | 1003 | 11 | 978 | 31 | 995 | 12 | 986 | 7 | |
| Oct | 1032 | 23 | 1026 | 8 | 1034 | 18 | 1033 | 12 | 1035 | 19 |
| 1002 | 31 | 985 | 28 | 978 | 1 | 982 | 22 | 1000 | 24 | |
| Nov | 1026 | 21 | 1030 | 6 | 1033 | 15 | 1036 | 25 | 1036 | 5 |
| 985 | 12 | 986 | 11 | 997 | 14 | 996 | 9 | 997 | 15 | |
| Dec | 1041 | 25 | 1036 | 28 | 1026 | 5 | 1035 | 23 | 1037 | 10 |
| 1000 | 19 | 977 | 2 | 989 | 8 | 990 | 30 | 985 | 23 | |