Term

Coeff

SE

t-stat

P-Value

(Intercept)

178,074

4253.1

41.87

0.00

Zt

5321

2823.7

1.88

0.06

Zt2

3371

1334.7

2.53

0.01

Zt3

12,251

1455

8.42

0.00

DFeb

−15,827

5626.7

−2.81

0.01

DMar

10,343

5663.9

1.83

0.07

DApr

−7969

5665.2

−1.41

0.16

DMay

949

5666.9

0.17

0.87

DJun

−10,794

5669.2

−1.90

0.06

DJul

−521

5504.4

−0.10

0.92

DAug

−3477

5503.7

−0.63

0.53

DSep

−1103

5477.2

−0.20

0.84

DOct

2524

5479.8

0.46

0.65

DNov

−6164

5483.9

−1.12

0.26

DDec

−24,787

5626.7

−4.41

0.00

D9_11

−11,474

5126

−2.24

0.03