| SI INDICS | K INDICS | TT INDICS | SWEAT INDICS | ||||
| January | February | January | February | January | February | January | February |
1989 | 17.27 | 17.49 | −4.24 | −9.84 | 33.54 | 30.45 | 98.19 | 92.14 |
1990 | 17.54 | 16.82 | −4.21 | 0.17 | 32.71 | 36.79 | 97.80 | 115.33 |
1991 | 17.89 | 16.03 | −1.77 | −2.10 | 35.27 | 34.93 | 112.65 | 99.59 |
1992 | 17.60 | 17.19 | −5.06 | −2.59 | 33.25 | 36.47 | 94.05 | 125.89 |
1993 | 17.27 | 15.62 | −2.11 | 2.65 | 32.98 | 36.64 | 96.23 | 106.66 |
1999 | 18.67 | 16.18 | −9.75 | −10.39 | 29.17 | 27.92 | 107.81 | 96.54 |
2000 | 19.53 | 17.72 | −7.37 | −12.89 | 30.10 | 31.60 | 81.28 | 83.03 |
2001 | 17.48 | 17.96 | −13.27 | −11.75 | 28.42 | 29.06 | 84.58 | 90.09 |
2002 | 18.67 | 15.83 | −14.57 | −15.88 | 30.58 | 31.76 | 85.73 | 82.75 |
2003 | 16.50 | 18.51 | −8.57 | −11.97 | 32.05 | 27.53 | 90.44 | 79.98 |