Months | Seasonal variation index | Confidence limits (95%) | ||||
Dar es Salaam | Mbeya | Dar es Salaam | Mbeya | |||
LCl | HCL | LCL | HCL | |||
January | 104.83 | 104.67 | 99.25 | 130.74 | 94.98 | 127.38 |
February | 106.67 | 104.62 | 91.17 | 115.67 | 86.01 | 113.19 |
March | 108.66 | 107.83 | 102.67 | 124.36 | 94.82 | 121.93 |
April | 106.76 | 106.94 | 94.16 | 125.74 | 78.97 | 121.48 |
May | 102.31 | 102.85 | 90.22 | 123.90 | 84.64 | 118.85 |
June | 96.58 | 93.89 | 87.90 | 109.07 | 83.73 | 101.26 |
July | 94.51 | 94.13 | 89.75 | 112.75 | 86.56 | 103.92 |
August | 91.36 | 90.67 | 85.12 | 98.80 | 83.20 | 96.63 |
September | 92.21 | 91.50 | 85.13 | 105.07 | 81.69 | 101.97 |
October | 98.45 | 97.12 | 89.62 | 107.55 | 87.63 | 101.63 |
November | 102.87 | 101.50 | 90.79 | 114.72 | 86.11 | 113.99 |
December | 105.81 | 104.29 | 95.77 | 121.90 | 92.86 | 118.55 |