月份j

季节指数S_j

s1

1.111734

s2

1.140238

s3

1.04473

s4

0.7955902

s5

0.9600864

s6

0.981374

s7

1.018573

s8

1.046461

s9

1.068102

s10

1.070205

s11

1.101524

s12

1.026045