| SI INDICS | K INDICS | TT INDICS | SWEAT INDICS | ||||
| January | February | January | February | January | February | January | February |
1989 | 23.40 | 20.11 | −22.34 | −17.57 | 20.15 | 24.96 | 99.85 | 90.12 |
1990 | 19.24 | 18.68 | −8.35 | −6.16 | 26.87 | 33.06 | 94.87 | 77.05 |
1991 | 20.21 | 17.99 | −7.81 | −8.55 | 28.85 | 28.64 | 84.41 | 96.12 |
1992 | 20.30 | 20.30 | −12.70 | −12.70 | 28.13 | 28.13 | 113.02 | 113.02 |
1993 | 18.42 | 17.18 | −3.22 | −2.54 | 31.50 | 32.65 | 79.54 | 104.39 |
1999 | 19.34 | 16.19 | −12.01 | −13.30 | 25.73 | 23.79 | 85.53 | 98.52 |
2000 | 20.89 | 19.27 | −15.18 | −17.15 | 24.95 | 27.07 | 101.56 | 108.14 |
2001 | 18.63 | 18.88 | −20.31 | −20.51 | 25.05 | 24.19 | 86.49 | 112.57 |
2002 | 19.71 | 16.37 | −18.81 | −14.03 | 24.20 | 27.07 | 81.80 | 90.34 |
2003 | 17.58 | 19.39 | −15.56 | −18.81 | 26.29 | 20.53 | 102.94 | 95.94 |